50 results about "Compressed air filters" patented technology

The utility model relates to the technical field of air pressing equipment, in particular to air pressing equipment integrating an air dryer and an air compressor into a skid, which comprises a skid seat, an air compressor, a refrigeration type compressed air dryer, a compressed air filter, an air-water separator group and a double compressed air filter group. The utility model focuses on the innovation of the air pressing equipment, and provides the air pressing equipment which integrates the air dryer and the air compressor into the skid for solving the problems of dispersion, low efficiency, poor precision and the like of the traditional air dryer and the traditional pressing equipment. The air compressor supplies air, the refrigeration type compressed air dryer dehumidifies and then is precisely regulated and controlled through the PLC in combination with the high-precision pressure controller, and the device has the outstanding advantages of integration, high efficiency, precise pressure control, safety, reliability, wide application and the like, and can be widely applied to air pressure testing requirements of industries such as petrochemical engineering, natural gas, pressure pipelines and pressure containers.

The invention discloses a low-energy-consumption heading machine driver position compressed air type respiratory protection system and method. The system comprises a compressed air type respiratory protection part and a heading machine energy recovery part. The compressed air type breathing protection part comprises a compressed air type breathing mask and a compressed air filtering device; the heading machine energy recovery part comprises a piston mechanism, an air storage mechanism, an electric energy storage mechanism, a magnetic induction loop, a heat storage mechanism, a heat conduction switch and an electric control thermal phase change mechanism. By means of the compressed air type breathing protection part, purified air treated by the compressed air filtering device can be supplied to a driver of the heading machine through the compressed air type breathing mask, and the breathing safety of the driver of the heading machine in a complex environment is guaranteed; heat energy generated in the tunneling process of the tunneling machine can be recycled through the energy recycling part of the tunneling machine and converted into electric energy to supply power to the respiratory protection system, and the influence of dust in the working environment on a driver of the tunneling machine can be reduced to the maximum extent on the premise that low energy consumption is achieved.

The utility model discloses a precise compressed air filter element which comprises an air inlet pipe, the bottom of the air inlet pipe is fixedly connected with a shell, a refrigeration assembly is installed in the shell, the bottom of the refrigeration assembly is symmetrically and fixedly connected with two special-shaped copper plates, and one side of the outer surface of each special-shaped copper plate is provided with a multi-protruding-block copper plate in a matched mode. The outer surfaces of the two multi-lug copper plates are jointly and fixedly connected with a gas bundling pipe, and the inner surface of the gas bundling pipe is fixedly connected with a plurality of inclined baffles. According to the utility model, through the arrangement of the refrigeration assembly, the special-shaped copper plate, the multi-bulge copper plate, the inclined baffle and the air bundling pipe, air in the air inlet filter element can be condensed, water vapor in the air is condensed into small water drops, and the water vapor is prevented from entering the filter element and being combined with dust to form blocks, so that the filter element is blocked and is not easy to clean; the air distribution pipe is rotated by utilizing air, so that the air is uniformly distributed in the filter element, stress concentration is avoided, and a protection effect on the filter element is achieved.

A portable compressed air filter using a multi-tube cyclone according to one embodiment of the present invention comprises: a housing in which an air flow part is formed and into which compressed air is introduced and discharged; and an impurity separation unit provided in the air flow unit of the housing and separating impurities from compressed air, the impurity separation unit including, in an upper portion thereof: a first cyclone forming unit that centrifugally separates the impurities by causing the introduced compressed air to flow in a swirling flow manner, and a second cyclone forming unit that centrifugally separates the impurities in the swirling flow manner; and a second cyclone forming unit which is provided on the inside of the first cyclone forming unit and which centrifugally separates impurities by causing the compressed air that has passed through the first cyclone forming unit to flow again as a swirling flow.

The compressed air filtering device comprises a compressor main body, an air inlet filtering cylinder is arranged at the compressed air inlet end of the compressor main body, a filtering net containing groove is formed in the middle of the air inlet filtering cylinder, and a filtering net replacing structure is arranged in the filtering net containing groove; a filter screen is arranged in the middle of the filter screen replacement structure; a filter screen replacing structure is installed in a filter screen containing groove, when a filter screen needs to be replaced, a rotating handle is rotated anticlockwise to drive an upper convex positioning wheel set to rotate, a lower convex positioning wheel set connected with the upper convex positioning wheel set rotates along with the upper convex positioning wheel set, and the filter screen is pushed out of the filter screen containing groove; then, positioning holes in the two sides of a new filter screen are aligned to convex columns on the convex positioning wheel set, the rotary handle is rotated clockwise, the filter screen is fed into the filter screen containing groove through the convex positioning wheel set, and replacement of the filter screen is completed.

To provide an improved filter medium. [Solution] The present invention relates to a filter material comprising I) a first nonwoven meltblown layer, wherein the meltblown nonwoven fabric comprises a) 20 to 80% by weight of at least one styrene-based thermoplastic elastomer and b) 20 to 80% by weight of at least one polyolefin. The present invention also relates to the use of filter materials for coffee filters, coffee capsule filters, compressed air filters and face masks.

This utility model relates to the field of bio-organic fertilizer technology and discloses a screening device for bio-organic fertilizer, including a shell, a filter assembly in the middle of the shell, and a discharge port at the bottom of the shell. The screening device for bio-organic fertilizer of this utility model uses an auger to push organic fertilizer to the left and a turning plate to turn the organic fertilizer, thereby screening it through a screening cylinder. Because the screening cylinder is tilted and higher on the left than the right, the bio-organic fertilizer stays inside the screening cylinder for a longer time, improving the screening effect. An air pump compresses air filtered by an air filter and delivers it into the output pipe through a three-way pipe, finally spraying it out from a nozzle to backflush the rotating screening cylinder, thereby blowing out organic fertilizer stuck in the screening cylinder holes. Cleaning brushes clean the outside of the screening cylinder to prevent the screen holes from becoming clogged, improving production efficiency.

1. Name of the design product: Compressed air filter. 2. Use of the design product: Used for filtering air. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1.

The present invention belongs to the field of compressed air filters, specifically a compressed air filter that is easy to maintain and a maintenance method thereof, comprising an upper accommodating shell, a lower accommodating shell, a filter cartridge, a sealing mechanism and a control mechanism, the bottom surface of the upper accommodating shell is fixedly connected to the upper end surface of the lower accommodating shell, the filter cartridge is slidably inserted into the inner cavity of the lower accommodating shell, the sealing mechanism comprises a partition plate and a sealing valve plate, the partition plate is fixedly mounted on the inner wall of the upper accommodating shell, the sealing valve plate is slidably mounted in the inner cavity of the upper accommodating shell, the outer wall of the sealing valve plate has a tendency to fit with the inner wall of the partition plate in real time, the control mechanism comprises a bearing mesh plate and a top shaft, the bearing mesh plate is detachably mounted in the inner cavity of the lower accommodating shell; through the cooperation of the above-mentioned structures, the filter cartridge can be replaced and cleaned without stopping the machine, thereby ensuring the progress of production work and improving efficiency.

The utility model relates to the technical field of coal mine ventilation equipment, and discloses a coal mine underground compressed air filtering device which comprises a machine box, an air inlet pipe is fixed to the right end of the machine box, an air outlet pipe is fixed to the left end of the machine box, and an air blower and a negative pressure machine are fixed to the middle of the upper portion of the machine box. An outer forward and reverse rotation motor is fixed to the outer side of the upper portion of the machine box, a filter plate sliding rail is fixed to the left side of the interior of the machine box, a filter element sliding rail is fixed to the right side of the interior of the machine box, a filter plate is movably connected to the filter plate sliding rail in an inserted mode, and a first sliding plate, a second sliding plate and a third sliding plate are movably connected to the three filter plate sliding rails in an inserted mode respectively. The first sliding plate, the second sliding plate and the third sliding plate are each provided with a filter screen. According to the filtering device for compressed air in the underground coal mine, air can be preliminarily filtered through the filtering plate, impurities on the filtering plate can be cleared away, the air can be filtered again through the three filtering nets, and the air filtering quality is improved.

The utility model relates to the technical field of compressed air filters, in particular to a pipeline connecting mechanism and an air filtering device.The pipeline connecting mechanism comprises a first mounting pipe, a connecting disc is mounted at one end of the first mounting pipe, a mounting groove is formed in the surface of the first mounting pipe, a limiting plate is slidably connected into the mounting groove, and a tension spring is mounted on one side of the limiting plate; and one end of the tension spring is connected with the bottom of the inner cavity of the mounting groove. By arranging a limiting plate, a limiting groove, a tension spring, a downward pressing part and other structures, rapid disassembly and assembly between the first mounting pipe and the second mounting pipe can be achieved, and meanwhile by arranging a shielding part, a limiting part and a traction part, the stability of connection between the first mounting pipe and the second mounting pipe can be improved; and the first mounting pipe and the second mounting pipe are convenient to disassemble, so that the replacement time of the compressed air filter is shortened, and the problem that the compressed air filter is inconvenient to replace in the prior art is solved.

The invention relates to a filter element (2), in particular a replaceable filter element, in particular for separating particles and / or gases and / or liquids, in particular a filter cartridge, for use in a filter, in particular a compressed air filter, in particular as part of a filter having a plurality of filter stages, comprising a substantially tubular main body (27) having an annular end side (21) facing towards a filter head, a lower side (28), a circumferential surface (29), wherein in the region of the end side (21) a plurality of, preferably four, retaining arms (30) extending radially with respect to a central axis (18) are provided, and a circular annular filter element sealing surface (6) is provided at the end side (21), wherein the retaining arms (30) project with respect to the filter element sealing surface (6). The invention also relates to a filter having such a filter element (2).

The utility model provides a compressed air filter which comprises a shell, a filter cavity is formed in the shell, a liquid outlet communicated with the filter cavity penetrates through the bottom of the shell, a plurality of abutting edges distributed at intervals in the circumferential direction are arranged on the side wall of the lower portion of the filter cavity in a protruding mode, and the opposite sides of the abutting edges are sunken to form limiting grooves; the upper end cover and the lower end cover are arranged at the upper end and the lower end of the filter cylinder in a sealed mode respectively, the outer edge of the lower end cover protrudes downwards to form an abutting part and protrudes upwards to form a limiting part arranged on the outer side of the lower end of the filter cylinder in a sleeving mode, the filter cylinder is vertically arranged in the filter cavity, and the lower end of the filter cylinder is limited in the limiting grooves in an abutting mode through the abutting part. An insertion hole penetrates through the middle of the upper end cover; the top cover and the detachable sealing cover are arranged on the shell, an air inlet pipeline with the inner end portion being detachably inserted into the inserting hole in a sealed mode and an air outlet pipeline with the inner end portion communicating with the filter cavity are arranged on the side wall of the top cover in a penetrating mode, and a limiting ridge abutting against the top of the upper end cover is arranged on the inner side of the top cover in a downward protruding mode. The convenience of disassembling and assembling the filter element can be improved, and the filtering efficiency is improved.

The utility model relates to an underground coal mine compressed air filtering device which comprises a shell, an air inlet and an air outlet are formed in the shell, and the air outlet is used for being communicated with an air inlet pipe of compressed air equipment; the filter assembly comprises a mounting frame and a filter screen mounted on the mounting frame, and under the suction action of the compressed air equipment, external air vertically acts on the filter screen through the air inlet to be filtered and enters an air inlet pipe of the compressed air equipment through the air outlet; wherein sliding grooves are formed in the two opposite side walls of the shell, the two sides of the mounting frame are in sliding connection with the sliding grooves, a maintenance opening and a cover plate for sealing the maintenance opening are formed in the positions, corresponding to the filtering assembly, of the top wall of the shell, the filtering assembly is mounted in the shell in a pluggable mode through the maintenance opening, and the mounting frame can be mounted in the shell in a pluggable mode through the maintenance opening. Therefore, a user pulls the mounting frame upwards, the filter screen connected with the mounting frame can leave the interior of the shell, workers can maintain the filter screen conveniently, and the working stability and reliability of the filter screen are guaranteed.

The utility model provides a compressed air filter and a filter element, the compressed air filter comprises a shell and the filter element, an upper mounting disc and a lower mounting disc are arranged in the shell, the upper mounting disc, the lower mounting disc and the shell jointly define a filter element mounting space, and the filter element is mounted in the filter element mounting space; an upper end cover and a lower end cover are respectively arranged at two ends of the filter element, the upper end cover is connected and fixed with the upper mounting disc through a first connecting mechanism, and the lower end cover is connected and fixed with the lower mounting disc through a second connecting mechanism. According to the utility model, the two ends of the filter element are respectively and fixedly connected with the upper mounting disc and the lower mounting disc in the shell through the first connecting mechanism and the second connecting mechanism, so that the two ends of the filter element are effectively fixed, and the mounting stability and firmness of the filter element are greatly improved; the filter element is not easy to shake or shake under frequent impact of high-pressure airflow, so that the sealing effect of the filter element is prevented from being damaged.

1. Name of the product in this design: Compressed air filter. 2. Purpose of this design: To obtain relatively pure compressed air. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A filter element, in particular a replaceable filter element, more particularly for separating particles and / or gases and / or liquids, in particular a filter cartridge for use in a filter, more particularly a compressed air filter, in particular as a component of a filter comprising multiple filtration stages, includes a substantially tubular body with an annular end face that faces a filter head, an underside, and a circumferential surface. Multiple, preferably four, retaining arms, running radially in relation to the central axis, are provided in the region of the end face and a toroidal filter-element sealing surface is provided on the end face, and the retaining arms protrude in relation to the filter-element sealing surface. The filter element is usable in a filter.

A collapsible air filter assembly for a heating and ventilation air conditioner (HVAC) system includes a filter element, and a frame supporting the filter element. The frame includes at least two edges each including a respective spring element configured to be moveable between an open state and a bent state. A compressible air filter assembly for an (HVAC) system includes a filter medium having rounded pleats configured to collapse and rebound in a controlled and repeatable manner between a compressed state and an original uncompressed state. A soft-wrapped filter assembly includes a frame in a box configuration. The frame includes rigid edges and openings to permit airflow. A filter element is encased by the frame. Flexible edge covers mounted on respective edges of the frame to provide an air seal in an HVAC system.

The utility model discloses an anti-corrosion compressed air filter which comprises a filter shell, a filter partition plate, a filter element fixing frame, a filter element sealing gasket, a filter element mounting seat, a filter element, a filter element fixing nut, an anti-corrosion mechanism mounting seat, a filter anti-corrosion mechanism and an anti-corrosion mechanism sealing gasket. The utility model provides a filter used for compressing air and capable of preventing the inner wall from rusting and corrosion.

The invention discloses a compressed air filter, which relates to the technical field of air purification and comprises a filter bracket, a centrifuge, a filter, a water collecting container, an air inlet and an air outlet, the centrifuge comprises a centrifugal rotating track, a rotating ring and a fixed sleeve; the multiple centrifugal rotating rails are fixed to the middle of the filter from top to bottom at intervals in the vertical direction, and the whole centrifugal rotating rails are arranged in a spiral mode; the rotating ring is fixed in the centrifuge and is perpendicular to the centrifugal rotating track; the fixed sleeve is fixed in the middle of the filter and located on the outer sides of the centrifugal rotating track and the rotating ring, the rotating ring is slidably connected to the inner wall of the fixed sleeve, and the fixed sleeve is used for containing the rotating ring and isolating the centrifugal rotating track from the filter; the technical effects that water remaining on the side wall can be prevented from being taken away by gas filtered by the centrifuge for the second time, secondary mixing of the gas is avoided, the water filtering effect is improved, filter bag pollution is reduced, and the equipment performance is improved can be achieved.

The utility model belongs to the technical field of expanders, particularly relates to an underground wind power expander, and aims to solve the problem that a local ventilator is not convenient to install due to the fact that a special vehicle transportation support of an existing super-long reversing chamber turns around frequently and the like, the underground wind power expander comprises a conical barrel body, a compressed air distributor is fixed in the conical barrel body, and the compressed air distributor is arranged in the conical barrel body. A compressed air inlet pipe communicated with the compressed air distributor is fixed in the conical barrel body, the compressed air inlet pipe is communicated with the compressed air pipeline, a compressed air filter is arranged in the compressed air inlet pipe, a secondary air distributor is further fixed in the conical barrel body, a plurality of fixing rods are fixed at an air outlet of the conical barrel body, and a same pressure equalizer is fixed in the fixing rods. A plurality of connecting rods are fixed in the pressure equalizer; and through the design of the two connecting assemblies and the two extruding assemblies, the conical barrel body and the fixing ring can be rapidly mounted and dismounted, and daily maintenance and replacement are facilitated.

The utility model belongs to the technical field of compressed air filtering, and particularly relates to a compressed air filtering device which comprises a lower storage tank body and an upper storage tank body, the upper storage tank body is connected to the upper end of the lower storage tank body, and supporting legs are fixedly connected to the outer side of the lower end of the lower storage tank body at equal intervals. According to the compressed air filtering device, when compressed air is filtered, the compressed air is introduced into the lower storage tank body and the upper storage tank body from the air inlet, then flows rightwards from the lower end of the Z-shaped plate, and is filtered by the filtering adsorption device at the lower end of the Z-shaped plate, so that moisture, oil and impurities in the compressed air are left at the outer end of the filtering adsorption device; compressed air filtered by the filtering and adsorbing device enters a heater through a through hole in the upper end to be heated and dried, finally, the compressed air is discharged from an air outlet in the right end and monitored through smoke online monitoring equipment installed at the right end of the air outlet while being discharged, impurities in the air are removed through filtering, and the accuracy and reliability of monitoring data are guaranteed.

The utility model discloses a combined compressed air filter which comprises a U-shaped shell, a flange cover plate, a filter element bracket, a coarse filter element, a fine filter element, a ball valve, an automatic drainer and a sealing gasket, a filter element seat plate is arranged in the U-shaped shell, the two filter barrels are connected through an air return pipe, and the coarse filter element, the fine filter element and the filter element support are assembled into a whole and are integrally mounted and fixed on the filter element seat plate of the filter barrels. The compressed air filter is small in size, rough filtration and fine filtration of compressed air are achieved at a time, pressure loss of the compressed air can be effectively reduced, separated liquid is convenient to collect and discharge, and the phenomenon of air blockage is avoided.

The air filter holder comprises: - a frame-like support framework (1) and a frame-like cover (2), which cover (2) is placeable over the support framework (1) so that the cover (2) settles in the lateral direction in a form-restricted manner over the support framework (1), forming a frame together with the support framework (1), which frame i) defines the filter area in the lateral direction and on the other hand also ii) becomes hollow, leaving a free volume on the inside for receiving the filter; and - a number of fasteners (3). The support framework (1) and cover (2) are closable with respect to each other by pressing them against each other in order to compress the air filter (4) to be installed in the free volume of the air filter holder, after which the support framework (1) and cover (2) can be kept closed by means of a number of fasteners (3), which are slid over the frame from the outer edge of the frame in the lateral direction, which fasteners (3) keep the support framework (1) and cover (2) closed by becoming tightened when the compressed air filter attempts to decompress, most advantageously by means of the tension caused by the elastic deformation of the fasteners (3). The application contains independent claims relating to various air filter holders, pocket filters, filter cartridges and to the method for keeping the pocket filter or filter cartridge closed.

The utility model discloses a compressed air supply system for a paint spraying robot. The device comprises a filter assembly and air injection assemblies, the filter assembly is connected to an annular main pipe, and at least one air injection assembly is connected to the annular main pipe; the filter assembly comprises a compressed air filter and a pressure gauge, and the air injection assembly comprises a compressed air pressure buffer tank. According to the utility model, the problem of production energy waste caused by improvement of the quality and the pressure of compressed air due to different quality of air used in different workshops in the prior art is solved.

The utility model discloses a compressed air filter for aluminum piece oxidation, which comprises a tank body, a support ring is fixed on the inner wall surface of the tank body, a cylindrical filter box matched with the inner diameter of the support ring is inserted into the support ring, a plurality of filter elements are embedded in the filter box, the bottom of the filter box is connected with an air outlet pipe in a penetrating manner, and the air outlet pipe is communicated with the air outlet pipe. Two telescopic clamping blocks which are arranged in a mirror image mode are annularly embedded in the inner face of the supporting ring, two mirror image clamping grooves are formed in the outer side of the filter box, after the filter box is connected with the supporting ring in an inserted mode, the clamping blocks can be automatically connected with the clamping grooves in a clamped mode to fix the filter box, and the air outlet pipe penetrates out of the tank body.

The utility model discloses a compressed air filter easy to disassemble and replace, and belongs to the technical field of filters. Comprising a filter body which is detachably mounted in an air inlet of an external electromagnetic valve or mounted on a quick connector matched with the electromagnetic valve; the filter body comprises a support matched with the size of the air inlet of the electromagnetic valve, and the support abuts against the valve port wall of the air inlet of the electromagnetic valve through a quick connector. The filtering part is connected with the support, the filtering part is provided with a static intercepting structure or a dynamic separating structure and used for intercepting impurities in the compressed air, and the compressed air flows through the filtering part and then enters a valve cavity of the electromagnetic valve. The filter body can be installed in the air inlet of the electromagnetic valve in a matched mode, compared with the mode that a filter connector is adopted for filtering, the cost is reduced, a specific static intercepting structure or a specific dynamic separating structure is adopted for the filtering part, the good filtering effect is guaranteed, meanwhile, airflow cannot be remarkably limited, and the filtering effect is good. And efficient operation of the electromagnetic valve is ensured.

The utility model discloses a compressed air filter with a valve core convenient to disassemble, assemble and clean, which comprises core pipes, a connecting mechanism is connected between the core pipes, and the connecting mechanism comprises a connecting piece; an annular groove is formed in the connecting piece; a limiting groove is formed in the inner side of the annular groove; an opening is formed in the limiting groove; the core tube is connected with a fixing piece; an annular pipe matched with the annular groove is connected to the fixing piece. The inner side of the annular pipe is connected with a clamping block; the size of the cross section of the clamping block is not larger than that of the cross section of the opening. And the thickness of the clamping block is matched with that of the limiting groove. According to the utility model, the connecting mechanism is arranged between the core pipes, so that the core pipes are clamped; after the connecting blocks are clamped with the clamping grooves, transverse fixation between the core pipes is enhanced, and the core pipes are prevented from rotating; the core tubes can be quickly disassembled and assembled, part of the core tubes can be conveniently replaced, and meanwhile the lengths of the core tubes can be changed.

The utility model discloses a filter cartridge structure of a bag filter convenient for compressed air filter pressing, which comprises a bag filter main body, an annular support plate is concentrically and coaxially arranged in the bag filter main body, an annular mounting groove is concentrically and coaxially arranged on one side of the inner diameter of the annular support plate, a filter cartridge is embedded in the annular support plate, and the filter cartridge is arranged in the annular mounting groove. The top end of the filter cartridge is embedded in the annular mounting groove, the cartridge wall of the filter cartridge is smooth, and a plurality of filter holes are uniformly formed in the bottom of the filter cartridge; a sealing gasket is embedded in the annular mounting groove, an annular cover plate is embedded in the annular mounting groove above the sealing gasket, the cover plate, the sealing gasket and the top end of the filter cartridge are in limiting fit, a plurality of fastening assemblies are detachably arranged on the side, away from the annular mounting groove, of the annular supporting plate, and the fastening assemblies are arranged around a shaft at equal intervals; the side, away from the annular mounting groove, of each fastening assembly is detachably and fixedly matched with the annular supporting plate, the side, close to the annular mounting groove, of each fastening assembly is in limiting fit with the cover plate, the sealing performance is good, and compressed air filter pressing is facilitated.

The utility model relates to the technical field of denitration CEMS analyzer sampling systems, in particular to a denitration CEMS analyzer sampling system which comprises an instrument and a sampling assembly, the sampling assembly comprises an air source pump, a first needle valve, a second needle valve and a compressed air filter, the air source pump is arranged on one side of the instrument, the first needle valve is arranged on the other side of the instrument, and the second needle valve is arranged on the other side of the instrument. The first needle valve is arranged on one side of the air source pump, the second needle valve is arranged on the other side of the air source pump, and the compressed air filter is arranged on one side of the second needle valve. The utility model has the beneficial effects that after the original electric vacuum pump driven by a power supply is replaced by the Venturi pump, the instrument is driven by a gas source and is not influenced by ash sulfur components, and the Venturi pump is simple in structure, stable in sampling and more durable; the Venturi pump is longer in service life and can continuously and stably run for 2-3 years.