2778 results about "Air filter" patented technology

Mobile or stationary air filter (L) or room fan (RL) according to Figure 1, comprising an outer wall (5), a (2) for generating an airflow (3) which is guided through an air filter material (1.1), an air inlet (2.1) and an air outlet (2.2), wherein the air filter material (1.1) contains poly(styrenesulfonic acid) (sulfonic acid biocide) (1.3) cross-linked with divinylbenzene and / or an acidic salt (1.3.1) (sulfonic acid biocide salt) of the sulfonic acid biocide (1.3) with biocidal cations, wherein the sulfonic acid biocide (1.3) and / or sulfonic acid biocide salt (1.3.1)(i) are positively and / or materially bonded to and / or in inert carriers and, in the fixed state, are in direct contact with carrier materials (1.1.7) on and / or in which biocidal Metal microparticles of a mean particle size d50 of 0.1 µm to <1,000 µm are fixed, and / or (ii) with carrier materials (1.1.7) on and / or in which biocidal metal microparticles of a mean particle size d50 of 0.1 µm to <1.000 µm are fixed, are mixed; its use and methods for the production and environmentally friendly disposal of air filter materials (1.1).

The invention discloses a low-resistance high-efficiency air filter, and relates to the field of air filters, the low-resistance high-efficiency air filter comprises an upper shell, a lower shell, a ventilation end cover, a supporting shell installed in the upper shell and a filter element arranged in the supporting shell, a conical flow collecting barrel is arranged in the lower shell, the bottom of the conical flow collecting barrel is communicated with a water storage barrel, a connecting support is fixed in the water storage barrel, and the connecting support is connected with the ventilation end cover. A threaded connector is arranged at the bottom of the connecting support. The separation structure is connected between the inner wall of the upper shell and the outer wall of the supporting shell and is used for separating rainwater carried in the airflow; a drainage structure capable of preventing air leakage is arranged in the water storage cylinder; rainwater is separated from air through the arranged separation structure, so that the probability that the filter element is wetted by the rainwater can be greatly reduced, the filter element can effectively intercept dust and impurities, meanwhile, dust can be possibly carried in the rainwater, the dust falls down along with the rainwater, and therefore the filtering burden of the filter element can be relieved.

The invention discloses a liquid air energy storage system based on air separation, which is characterized by comprising an air purification unit, an energy storage unit, an air rectification unit and an LNG (Liquefied Natural Gas) cold supply unit, wherein the air purification unit comprises an air filter, an air compressor, a first cooler, an adsorber and a first heater, and the energy storage unit comprises a first liquid separation tank, a liquid air storage tank, a liquid air pump and an air expansion machine. The air rectification unit comprises a rectification tower, a main cold box, a second liquid separation tank, a second subcooler, a first heat exchanger, a liquid nitrogen storage tank, a liquid oxygen storage tank, a second heat exchanger, an argon rectification system and a liquid argon storage tank; and the LNG cold supply unit comprises a first nitrogen supercharger, a second nitrogen supercharger, an LNG cold box and a first subcooler. The system has the functions of air separation and electric energy storage at the same time, and cold energy of the LNG receiving station is fully utilized for air separation and energy storage to participate in construction of a novel power system of a power grid.

The invention relates to the technical field of energy-saving operation and maintenance of an air conditioning system, and discloses an energy-saving air conditioner air filter blockage detection method and system. By introducing the deviation degree of a correlation mode between a fan energy consumption parameter and air pressure parameters before and after a filter as a judgment basis, when the pressure difference change is not obvious, the blockage of the air filter can be detected; and the fan is forced to increase the energy consumption for maintaining the air supply amount. The specific blockage mode with high energy consumption and low efficiency is just hidden blockage which cannot be effectively identified in the prior art. By quantifying the deviation of the correlation mode, the gradual blockage can be timely and accurately found, so that the fan motor is prevented from being in an overload running state for a long time, the equipment abrasion is reduced, the service life is prolonged, and the energy consumption waste of the air conditioning system is obviously reduced.

An air filter for an air filter assembly in an air conditioner is provided, in particular for filtering out particles, preferably pollutants, from air. The air filter contains a filter element with an electrically conductive layer. The air filter also has a housing that partially encompasses a housing interior into which the filter element is inserted. The air filter also has a terminal on the housing that can be contacted from outside the housing interior, which is made of an electrically conductive material and is connected to the conductive layer of the filter element.

The application relates to a pharmaceutical production clean workshop, and relates to the technical field of pharmaceutical production workshops.The pharmaceutical production clean workshop comprises a workshop, a fresh air filtering device, a return air filtering device, a fresh air-return air mixing device and a secondary filtering device arranged in the workshop, the return air filtering device comprises filtering components, adsorption components and disinfection components connected in sequence; the fresh air filtering device performs preliminary purification on fresh air; the return air filtering device removes larger particulate matters in return air through the filtering components, further adsorbs small impurities through the adsorption components, and disinfects and sterilizes the gas through the disinfection components; the fresh air-return air mixing device mixes the processed air, the secondary filtering device performs secondary filtration on the mixed air, and the air quality entering the workshop is ensured. Through the synergistic effect of the components, efficient filtration, adsorption and disinfection treatment of fresh air and return air in the workshop are realized, and the air quality and cleanliness in the workshop are effectively improved.

An apparatus and methods are provided for an air cleaner to be mounted onto an air inlet of an internal combustion engine. The air cleaner comprises an air filter that includes a filter medium disposed between a curved base and a cover. The curved base provides an interface between the air filter and the air inlet, and comprises a shape that provides clearance between the curved base and an electric choke installed onto a carburetor comprising the air inlet. The cover secures the air filter and the curved base to the air inlet such that an airstream is drawn through the filter medium and is conducted into the air inlet. A raised portion of the cover is configured to cooperate with the curved base to ensure a desired volume of the airstream is available to the air inlet at substantially all engine speeds.

A safety helmet for a firefighter includes an outer shield having a neck opening and a front opening, a hinge located on an upper region of the front opening of the outer shield, a fire-retardant foam liner, a face shield including a sensor carrier attached to the hinge, a particulate air filter, a light emitting diode (LED) light strip, a mask mechanism configured to attach to the tapered nose opening of the transparent screen and the particulate air filter, a heads-up display (HUD) connected to an upper region of a proximal edge of the mask mechanism which faces the tapered nose opening, an oxygen port connected to the mask mechanism, a mask body connected to a distal edge of the mask mechanism, a speaker and microphone unit attached to the mask body, and a regulator nose cone.

The invention relates to an air filter. A filter housing has a fixed support element. Flow openings are formed between the struts of the flat support grid. The support element serves to support a filter element. The filter element can be detachably connected to the support element.

The utility model belongs to the technical field of bird breeding, and relates to a multi-sensor controlled intelligent parrot brooding box which comprises a cuboid box body, a sensor box arranged on the inner side wall of the box body and opposite to a box door, a control display box arranged above the box door, and an air inlet fan arranged above the outer side wall of the box body. The switching power supply box is fixed on the inner side wall of the box body and is communicated with the air inlet fan; the ultrasonic humidifier is arranged on the side wall of the box body; wherein two ends of the sensor box are respectively provided with a sensor box air inlet hole and a sensor box air outlet hole, the built-in air filtering sponge covers the sensor box air inlet hole, and the sensor box air inlet fan is fixedly arranged at one end where the sensor box air inlet hole is located and is adjacent to the air filtering sponge; the temperature and humidity sensor and the carbon dioxide sensor are arranged on the inner wall of the sensor box; a single-chip microcomputer is arranged in the control display box, and a liquid crystal screen is arranged outside the control display box. The environment in the brooding box is intelligently controlled through the single chip microcomputer, and the growth and development and breeding production efficiency of nestlings is improved.

The invention relates to the technical field of wastewater treatment, in particular to a comprehensive treatment device and method for selenium-containing wastewater. The device comprises a treatment tank, a tank cover, a treatment disc and a water quality detector, is equipped with a stirring assembly, an impurity removal assembly, a lifting assembly and the like, and is cooperatively controlled through a driving assembly. The air filtering holes of the treatment disc have the functions of filtering and aerating, and the whole process of physical impurity removal, chemical regulation and control, biological treatment and adsorption fine treatment is realized by combining precipitation and injection components and a feeding and air inlet system. According to the method, the selenium form is unified through valence regulation and control, chemical precipitation is enhanced, biological treatment and activated carbon adsorption deep purification are combined, and finally the selenium concentration reaches the standard. Through an automatic monitoring and circulating treatment mechanism, parameters of each stage are accurately controlled, stable and reliable effluent quality is ensured, and the method is suitable for efficient treatment of selenium pollutants in different forms.

When tobacco flakes need to be re-dried in the tobacco flake processing process, the tobacco flakes can be conveyed into a drying box through a conveying assembly, then a heat pump drying assembly is operated to generate hot air, the hot air is conveyed to the lower portion of the drying box, and then the hot air penetrates through an air uniformizing plate to reach the conveying assembly. The tobacco flakes on the conveying assembly are redried and dried, then redried hot air enters the hot air gathering pipeline through all the air collecting assemblies and the air inlet, meanwhile, the hot air is filtered through the air filter net, and the situation that the broken tobacco flakes enter the hot air gathering pipeline is avoided; then hot air is guided back into the heat pump drying assembly through a hot air gathering pipeline to be circularly dried, meanwhile, the difference of the hot air speeds in all the air collecting assemblies can be reduced by controlling the hot air speeds in all the air collecting assemblies, meanwhile, a vibration motor can be operated, the vibration motor drives the conveying assembly to vibrate, and the tobacco flakes on the conveying assembly are flattened.

The invention discloses a small multifunctional integrated drying device, and relates to the technical field of industrial drying experiment equipment. The small multifunctional integrated drying device comprises a bottom plate, a vertical supporting plate is fixedly connected to the middle of the upper surface of the bottom plate, a fluidized bed drying chamber, a spray drying chamber, a main controller, a shared centrifugal fan and a shared electric heater are fixedly installed on the front face of the vertical supporting plate, and an air filter and an induced draft fan are fixedly installed on the upper surface of the bottom plate; a cyclone dust collector is fixedly installed on the back face of the vertical supporting plate, a three-way pipe is fixedly connected to the top of the shared electric heater, a fluidized bed feeder is fixedly installed on one side of the top of the fluidized bed drying chamber, and a supporting ring, an annular base, a motor, a fixing plate and an air pressure sensor are fixedly installed on the lower portion of the inner wall of the fluidized bed drying chamber. The system can integrate the fluidized bed function and the spray drying function, and energy-saving and efficient operation is achieved through the shared air path, the heat energy recovery system and the self-cleaning distribution plate.

Filter media and filters, such as air filters, residential air filters, commercial air filters, face masks, gas turbine and compressor air intake filters, panel filters, and the like, are provided that comprise a plurality of fibers with a silicone-based coating. The silicone-based coating comprises a silicone compound at least about two percent by weight of the coating. The silicone-based coating may include a reactive silicone macroemulsion and a surfactant. The silicone-based coating increases the efficiency of the filter at capturing contaminants, particularly contaminants in the E2 and E3 particle group range, without compromising other important characteristics of the filters, such as cost, longevity, dust holding capacity, and the pressure drop or air permeability of the filter.

The invention provides a plasma-based air filtering device, and relates to the technical field of gas purification devices, the plasma-based air filtering device comprises a multi-stage filtering layer shell, and a catalytic filtering layer, an activated carbon particle filtering layer, an HEPA filtering layer and a flexible plasma filtering layer are independently and detachably mounted on the multi-stage filtering layer shell to form a multi-collaborative filtering system; harmful substances adsorbed in the activated carbon particles are decomposed and eluted through plasmas generated by the flexible plasma filtering layer, so that the activated carbon particles are recycled. According to the air purification device, harmful substances in gas are effectively adsorbed and filtered, activated carbon particles in the activated carbon particle filtering layer can be eluted and purified, the activated carbon particles can be recycled for multiple times, and therefore the air purification cost is reduced, and in addition, compared with a common illumination elution mode in life, the elution mode has the advantage that the purification efficiency is improved. The elution effect is better.

The invention relates to the technical field of filtering equipment, in particular to an air filter and a vacuum pump with the same. The air filter comprises a fixed shell, a filter element assembly, a quick-release upper cover, a quick-locking assembly and an unlocking circular ring, the fixed shell comprises a hollow cylinder, an air inlet side pipe, an air outlet lower pipe, an annular convex edge and a guide lock groove; the filter element assembly comprises a bottom circular ring, a top circular ring, an inner filter ring, a middle filter ring and an outer filter ring; the quick-release upper cover comprises an upper cover body, an upper cover circular cavity, an upper annular groove, a contact disc and a lower annular groove. The quick lock assembly slides into the corresponding guide lock groove to lock the quick release upper cover; the unlocking ring comprises an unlocking ring body, an unlocking ring groove and an active inclined face. According to the air filter provided by the invention, layer-by-layer filtration from coarse to fine can be realized through the three layers of filter rings of the filter element assembly; the filter element assembly and the quick-release upper cover can be conveniently detached. The utility model further discloses a vacuum pump with the air filter.

The invention relates to an air filter with an annular filter element. The filter element can be inserted into a housing transversely to its longitudinal axis. The housing has at least one projection which secures the axial position of the filter element in the installed state. For this purpose, the projection overlaps a securing section of the filter element in a radial direction. The projection can engage in a spread fold of the filter element. Advantageously, a first projection is formed on a housing pot and a second projection is formed on a mounting cover. The mounting cover serves to close a mounting opening in the housing pot through which the filter element can be inserted.

The invention discloses a five-constant system capable of intensively controlling and processing indoor environment, which belongs to the technical field of indoor environment regulation and control, and comprises an indoor unit body arranged indoors, a plurality of partition plates are arranged in the indoor unit body, and the indoor unit body is divided into an air return cavity, a cold and hot water heat exchange cavity, a fresh air heat exchange cavity, a mixed air heat exchange cavity and an air supply cavity; an air return opening and an air supply opening are formed in the upper end of the indoor unit body. A fresh air opening and an exhaust air opening are formed in one side of the indoor unit body. A return air filter is arranged in the return air cavity, a circulating pump and an efficient tank are arranged in the cold and hot water heat exchange cavity, a fresh air fan is arranged in the fresh air heat exchange cavity, a plate exchange module is arranged in the mixed air heat exchange cavity, and an air supply fan, a plate exchange evaporator and a filter element are arranged in the air supply cavity. And the outdoor air source heat pump is connected with the efficient tank. Indoor refrigeration is achieved through the all-air system and the ground cold radiation system in summer, indoor heating is achieved through the all-air system and the ground heating radiation system in winter, and then the five-constant index requirement is met.

The invention relates to the technical field of temperature control equipment, in particular to a fresh air system with refrigerating and heating functions, which comprises a host and a fresh air combined cabinet, and the host is used for regulating the temperature of a medium flowing into the fresh air combined cabinet; an air filtering device and a heat exchange pipe are arranged in the fresh air combined cabinet, and the heat exchange pipe is communicated with a medium of the main machine. The airflow output end of the fresh air combination cabinet communicates with the breeding house through an air supply pipeline, and the air supply pipeline conveys airflow into the breeding house through an air distribution pipe. According to the technical scheme, through cooperation of the air energy main machine and the heat exchange pipe in the fresh air combination cabinet, temperature adjustment can be directly conducted on air entering the fresh air combination cabinet from the fresh air system, then the air is directly conveyed into the breeding house, and accurate and uniform temperature adjustment on the interior of the breeding house is achieved through cooperation of the air supply pipeline and the air distribution pipeline.

The present invention is a multifunctional scented air filter designed for use in residential and commercial settings, as well as vehicles. The air filter functions to filter air passing therethrough while providing fragrance. The filter features a support frame and a filter media. The filter media has a plurality of filtering pleats for filtering airborne contaminants and a plurality of scented gel lines having infused fragrance for permeating fragrance when air passes through them. The scented gel lines are positioned along some of the filtering pleats. In some embodiments, the filter device has notches on the support frame for fastening the device in a vent and an anti-microbial layer for providing additional prevention from airborne contaminants. The scented air filter enables clean air to be released into the building or vehicle, while simultaneously infusing it with a fragrance.

The invention discloses a constant-resistance maintenance-free air filter powered by a vehicle gas turbine. The constant-resistance maintenance-free air filter comprises an air inlet waterproof unit, an inertia separation unit, a dust extraction system and a gas turbine air inlet connecting section. The air inlet waterproof unit, the inertia separation unit and the gas turbine air inlet connecting section are sequentially connected in a sealed mode. A grating is arranged at the upstream end of the air inlet waterproof unit, and a drainage hole is formed in the bottom of the air inlet waterproof unit; the grating is used for intercepting water in external air; water is discharged from the drainage hole; a dust collection cavity and a straight-flow type rotational flow pipe set are arranged in the inertia separation unit, the straight-flow type rotational flow pipe set is used for separating air and dust, the separated dust enters the dust collection cavity, and the separated air enters the gas turbine through the gas turbine air inlet connecting section; the dust suction system is connected with the inertia separation unit, communicates with the dust collection cavity and is used for sucking out dust in the dust collection cavity, a filter element is not needed, and the problems that resistance of a traditional filter element is increased due to dust accumulation, and an air filter is fast to block and needs to be frequently maintained in a high-dust environment are solved.

The utility model discloses a data center high-speed airflow environment air-breathing type smoke-sensing fire hazard detector, which relates to the field of smoke-sensing fire hazard detectors and comprises a sampling unit module, a detector module, an airflow adjusting module and a fire extinguishing linkage module. The data acquisition unit is electrically connected with the data processor through a wire, the data acquisition unit and the data processor are electrically connected with the central controller through a wire, and antistatic PVC (polyvinyl chloride) pipelines are adopted, are arranged at the top of the cabinet and under the raised floor and are provided with a plurality of sampling holes; according to the utility model, the performance index of the air-breathing smoke-sensing fire detector in a high-speed airflow environment of a data center is comprehensively improved by optimizing a detection technology, airflow control and an intelligent algorithm, micron-sized particles are captured through the high-efficiency particle air filter, and the concentration is detected through the scattering effect of smoke particles on an LED (Light Emitting Diode).

The invention relates to the technical field of hydrogen engines, in particular to a hydrogen internal combustion engine and a scavenging control method of the hydrogen internal combustion engine. The hydrogen internal combustion engine comprises an engine cylinder body assembly, a supercharger, an air filtering device, an air supplementing part, an air outlet part and a control device, the air supplementing part comprises a first air supplementing pipeline and at least two second air supplementing pipelines, and an air outlet of the air filtering device is communicated with the first air supplementing pipeline and an air inlet of the supercharger. One end of the first air supply pipeline is communicated with the air filtering device, the other end of the first air supply pipeline is communicated with the crankcase, the cylinder cover is communicated with an air outlet of the supercharger through at least one second air supply pipeline, the crankcase is communicated with the air outlet of the supercharger through at least one second air supply pipeline, and the air outlet part is communicated with the crankcase. The control device is electrically connected with the air supply part and the air outlet part. According to the hydrogen internal combustion engine, through the design of the multiple gas supplementing pipelines, the hydrogen concentration can be effectively reduced, and excessive hydrogen gathering is avoided.

A centrifugal separator system separates particulate matter from an air stream produced by an industrial shredding machine. The system includes a housing having a cylindrical conical shape defining an interior chamber. An inlet positioned tangentially near the top of the housing introduces an air and particle mixture to create a vortex flow that centrifugally displaces heavier particles where they slide downward to discharge aperture. Clean air reverses direction and exits upward through a central top outlet connected to a HEPA filter for removing residual dust. A first silo directs is used to decelerate separated particles which are directed through a rotary valve providing an airlock to maintain pressures for optimizing centrifugal separation of particles. A second silo receives a bag holder for ease of securing a collection bag. The system provides efficient separation of particles with minimal maintenance and allows continuous operation.

The invention provides an air filter with an intelligent detection function and a state detection method of the air filter, relates to the technical field of vehicle detection devices, and solves the problems that an existing scheme is high in misjudgment rate, single in fault mode recognition and lack of emergency disposal capacity under complex working conditions. A gas inlet end shell and a gas outlet end shell of the filter body are connected to form a hollow cavity, and a filter element is mounted in the hollow cavity; the air inlet end shell is provided with an air inlet connector, and the air outlet end shell is provided with an air outlet connector. The air filter further comprises a controller, a temperature and humidity sensor and a pressure sensor, and the controller is connected with the temperature and humidity sensor and the pressure sensor and further connected with the vehicle machine system. The temperature and humidity sensor is used for collecting air temperature and humidity in the air outlet connector, and the pressure sensor is used for collecting air pressure in the air inlet connector and the air outlet connector. According to the method, the current state and the possible fault mode of the air filter can be effectively mastered, effective disposal suggestions are given in time, and a vehicle owner is helped to remove faults.

The invention is applicable to the technical field of waste steel pipe classification, and provides a waste steel pipe classification device for constructional engineering, which comprises a sorting table, the middle of the sorting table is hollow, a steel pipe limiting and screening mechanism is arranged on the upper side of the sorting table, a steel pipe intercepting and screening mechanism is arranged on the lower side of the sorting table, and a baffle is arranged on the lower side of the steel pipe intercepting and screening mechanism. The sorting table is fixedly connected with a support, the support can communicate with an external air filtering box through a hose, the support is fixedly connected with an electric telescopic rod, and the telescopic end of the electric telescopic rod is fixedly connected with a rolling mechanism. According to the waste steel pipe multi-dimensional sorting and surface cleaning device, multi-dimensional accurate sorting and surface cleaning of waste steel pipes in a single working procedure are achieved, the material transferring link of step-by-step operation is eliminated, and the occupied area of equipment is reduced. A dynamic pressure adjusting mechanism guarantees the sorting precision and avoids steel pipe damage, and a dust suction system effectively controls operation environment pollution.

Attachment for cleaning air filters, comprehensive: - a fixed part of the attachment, which is designed in the form of a connector, - a closed rolling bearing with inner and outer rings, wherein one end of the connecting piece is rigidly connected to the inner ring of the rolling bearing, - a rotor which is rotatably mounted on the outer ring of the rolling bearing in relation to the fixed part of the attachment, - a screw cap, wherein the rotor has a hollow housing comprising an upper and a lower housing surface as well as a side surface connecting the upper and lower housing surfaces, The side surface of the housing has at least two openings whose axes of symmetry are perpendicular to each other and are located in the plane of rotor rotation, with a receiving opening being provided in the middle of the upper housing surface; the outer ring of the rolling bearing engages in the receiving opening of the rotor housing and is then fixed by the screw cap.

The present invention provides a filter regenerating apparatus comprising a dust load measurement unit, a control unit, and a vacuum cleaning device. The control unit activates the load measurement unit to measure the dust load on the filter and activates the vacuum cleaning device to vacuum clean the filter if the measured quantity of dust load exceeds a threshold value. The load measurement unit measures the quantity of dust load again after the filter is cleaned. If the dust load is still not lowered below the threshold value, then the system sends a filter replacement message to a user device. The efficiency of an air filter is best when it is neither new nor too dirty. By vacuum cleaning the filter in situ and by selecting an appropriate load threshold value, the filter can be used not only for a longer period but also with highest efficiency.

An assembly for preventing debris or dust from entering a motor used to pass cabin air in a vehicle has a housing having a first conduit opening to a surface of the housing and a second conduit opening to another surface of the housing, an air filter received within the interior of the housing and positioned between the first and second conduits, and a body removably received in the interior of the housing. The body is interposed between the air filter and the surface of the housing and overlies an opening of the first conduit so as to block debris or dust from entering the motor. The air filter is adapted to filter air from the second conduit as the air is drawn through the air filter by the motor. A handle is integrated with or affixed to the body so as to extend outwardly of the housing.

The invention provides an alarm type high-efficiency air filter for a clean workshop, and relates to the technical field of air filters, the alarm type high-efficiency air filter comprises a base, the upper end part of the base is fixedly provided with a shell, the upper end part of the shell is fixedly provided with a fan, the upper end part of the fan is fixedly provided with a first conveying pipe, and the first conveying pipe is provided with a dynamic monitoring structure; by arranging a dynamic monitoring structure, purified air in a first conveying pipe is blown to an annular wind wheel through a fan to drive the annular wind wheel to rotate, then a movable ring is driven to rotate between a fixed ring and a second conveying pipe, and the movable ring drives a mounting ring and a plurality of dust monitors to synchronously rotate through a connecting ring; the dust monitors collect air data according to the preset monitoring frequency and feed back the air data to the controller in real time, so that all-directional dynamic dust monitoring of purified air can be achieved, the problems of limited monitoring range and data patch caused by single-point static monitoring are avoided, and the accuracy and reliability of monitoring data are improved through the arrangement of the multiple dust monitors.