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5444029 |
Process for destroying suspended particles
A method for regenerating an activated charcoal filter for a spray paint booth exhaust which includes the following steps: a passing a first gas flow of uncontaminated inlet air through the...
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5405421 |
Gas stream filtering system using filtered gas for reverse flow cleaning
A fabric-filter baghouse using heated, filtered exhaust gas for reverse-flow cleaning of fabric filter bags. The baghouse includes a housing having an inlet chamber and an outlet chamber therein, a...
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5348568 |
Filtering method of flue gas of a boiler and a filter apparatus for hot gas
A filtering method of flue gas of a boiler employing a filter apparatus integrated with ceramic filters and provided with a control mechanism for regenerating the ceramic filter by reverse cleaning...
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5332448 |
Apparatus for cleaning air filters
An air filter cleaning system comprises a support plate mounted on a frame with a clamping system for clamping an end face of the filter against the underside of the support plate. A supply tank...
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5269835 |
Baghouse floater purge system
Apparatus and method for purging floaters in top inlet baghouse construction wherein the upper plenum of a baghouse compartment and the clean exhaust gases duct are operably connected with a purge...
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5234605 |
Filter backwashing system using moveable member responsive to closing of filter outlet
A method and apparatus for filtering a fluid flowing from a fluid supply duct in a first direction through a filtering medium in which separate solid particles or concentrate are released from the...
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5217509 |
Filtration system
A single high vacuum pump is connected to the downstream side of a pair of filtration chambers for collecting solid constituents from one or more pickup points upstream of the filtration chambers,...
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5190666 |
Method and apparatus for filtering a plurality of samples through a filter with indexing of the filter
A filter apparatus for filtering a plurality of liquid or gas fluid samples containing particles to be filtered, such as bacteria or cells. The apparatus includes a filter; a device for...
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5178652 |
Method and apparatus for guiding process gas in a filter
In a fluidized bed apparatus a process gas flows through a process chamber (46) and subsequently through a filter group, including a total number of at least two filter cartridges (50), while a...
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5174797 |
Fiber collector
A fiber collector collects fiber from a moving airflow having entrained fibers. A primary plenum has a fiber collection zone in its lower portion. Adjacent screens downstream of the primary plenum...
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5129922 |
Method and apparatus for removing contaminated air from an enclosed dirty air space
Contaminated air is drawn from a relatively enclosed dirty air space and filtered to remove both contaminants and other particulate materials. A main mechanical filter is positioned between the...
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5106395 |
Process for avoiding a formation of highly condensed aromatic hydrocarbons and dioxines in combustion system
A process is described for avoiding the formation of highly condensed aromatic hydrocarbons and dioxines in combustion systems, preferably in garbage incinerating systems, wherein the combustion...
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5034030 |
Process of flue gas conditioning applied to fabric filtration
A method of improving control of atmospheric emission of particulate matter from the emission stack of coal combustion facilities which employ baghouse particle controllers is disclosed. The method...
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5032153 |
Process for filtering air and cyclone filter with filter cartridge for implementing the process
Process and apparatus for filtering air in a cyclone filter by reducing the ascending speed of air to be filtered in the lower part of the filter by providing a skirt on the filter cartridge....
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5022897 |
Method for hazardous waste removal and neutralization
A method of coating a filter medium in a flowing gaseous stream, the method comprising: directing a gas stream along a feed path; combining with said gas stream a multiplicity of finished glass...
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4962894 |
Method and assembly for controlling dust within a solid waste disposal system
A method and assembly are provided for controlling dust within a solid waste disposal system. The assembly includes a shredder, a conveyor for transporting solid waste material to the shredder, a...
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4906260 |
Self-priming intravenous filter
This invention is directed to a membrane-type filter device. Vents located opposite the hydrophilic membrane remove entrapped gases in the inlet chamber of the housing. There are preferably two...
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4875335 |
Apparatus and method for treating an exhaust gas from a diesel engine
In an apparatus for treating an exhaust gas from a diesel engine, including a filter unit in an exhaust gas passage for the diesel engine, the filter unit having a honeycomb structure wherein a...
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4865627 |
Method and apparatus for separating fine particulates from a mixture of fine particulates and gas
A method and apparatus for removal of fine particulate fly ash at high temperature and pressures using a bag filter which produces a clean gas stream that is recycled to compressors or power...
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4838902 |
System and method for self-cleaning barrier-type air filter
Disclosed in an apparatus and method for self-cleaning a barrier-type air filter. In an aircraft, a filter may be located within an air delivery duct wherein normal airflow through the duct...
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4836834 |
Air filter with back flow cleaning
In a housing enclosing a collector chamber for filtering air laden with dust or other contaminants, a filter element is mounted in line with a clean air opening into the chamber through the housing...
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4778491 |
Continuously operated and cleaned filter apparatus
Dirty air contaminated with cotton dust or the like is alternately directed against the left-hand section of a filter screen, then the right-hand section by a pair of movable baffle plates or...
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4741803 |
Spray dryer and operating method therefor
A spray dryer consisting of a tower-like drying container with spraying elements for introducing therein the material to be dried, pipelines and heater for injecting a heated drying gas, and a...
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4735635 |
Apparatus and process for filtering high temperature gas streams
A filtering apparatus for separating particulates from a hot gas stream using hollow, tubular filter elements has a housing with a laterally extending support plate for the filter elements...
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4692173 |
Process for cleaning filter elements
A process is described for cleaning in each case part of a plurality of filter elements arranged in a filter chamber (1 to 6), which are used for removing the dust from a pressurized dust-laden gas...
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4689055 |
Filter cleaning apparatus and method
Apparatus for cleaning a high efficiency particulate air (HEPA) filter includes a vacuum system having a vacuum nozzle which spans the inlet face of the filter and a nozzle inlet lying closely...
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4622811 |
Burner and method for removal of accumulated soot on a soot filter in internal combustion engines
A burner for cleaning accumulated soot from a soot filter associated with the exhaust of internal combustion engines, the burner is simple from a constructional viewpoint and especially effective...
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4576617 |
Apparatus comprising the combination of filter apparatus and regeneration apparatus and process for regenerating the filter apparatus using the regeneration apparatus
Apparatus and process for regeneration of clogged solid particle filters, particularly for diesel engines. There is periodically injected upstream from the clogged filter an organic liquid such as...
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4572903 |
Method for reactivating catalysts used for removing nitrogen oxides with steam
A method for reactivating catalysts which comprises the steps of: jetting dry steam into a reactor which is charged with the catalysts deteriorated in performance, in order to remove dust...
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4507130 |
Staggered method cleaning cycle for fabric filter system including multiple-baghouses
A method for controlling the cleaning of multiple-baghouse fabric filter systems. Each baghouse includes a plurality of compartments and a cleaning system of a type which cleans the compartments in...
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4500326 |
Method for sequentially cleaning filter elements in a multiple chamber fabric filter
An improved method of sequentially cleaning filter elements (14) housed in a plurality of filter chambers (12) collectively forming a fabric filter collection apparatus (10) wherein the cleaning...
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4491458 |
Method for detecting an overload of a fabric filter
An improved method of cleaning a fabric filter collector (10) housing one or more filter chambers (12) wherein the cleaning operation is monitored to actuate an alarm (54) if the pressure...
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4486201 |
Method and apparatus for filtering gases containing fine particles and cleaning a filter cloth of collected particles
A filter cake cleaning method in a process for filtering gases containing fine particles, as well as a device for practicing the filter cake cleaning method. A filter cake adhering to a filter...
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4470913 |
Method and apparatus for fluid assisted filter doffing
A fluid assisted doffer (30) is disclosed in combination with a fluid filter (10). The fluid filter (10) includes a rotatably mounted drum (23) covered with a filter screen (25). Fluid is filtered...
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4420313 |
Method for dust removal from solid-gas contact reactor
A method for dust removal from a solid-gas contact reactor for dust-laden exhaust gases which includes a packing section composed of packings each having a plurality of passages formed in the flow...
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4401445 |
Method for converting a liquid paint spray booth to a powder paint spray booth
A method for converting conventional paint spray booths to booths for accommodating either liquid or powder spray paints comprising removing the conventional waterfall or cloth filter back and...
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4378979 |
Method and apparatus for purging and isolating a filter compartment within a baghouse installation
A method and apparatus for purging hot flue gases from one or more of the filter compartments in a baghouse installation wherein heated ambient air is admitted to the reverse air system of the...
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4357151 |
Electrostatically augmented cartridge type dust collector and method
A method and apparatus for separating particulate matter from a gas stream wherein dirty gas is moved first through a corona discharge zone, such as that provided by a plurality of rod-like...
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4336035 |
Dust collector and filter bags therefor
A multiple filter bag assembly wherein top access is had for removal and replacement of the filter bags through openings in the cell plate subdividing the filter housing into an upper clean gas...
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4319891 |
Combined sonic agglomerator/cross flow gas filtration system and method
A gas filtration apparatus and process combining sonic agglomeration with porous cross flow filtration. The apparatus and process is particularly suited to gas streams comprising particulates of...
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4292053 |
Declogging process for filtration installation and improved filtration installation
The invention relates to filtration apparatus and to a process for a filtration installation comprising several filtration cells equipped with at least one filtering element through which passes a...
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4247310 |
Pneumatic dust extraction
In pneumatic low pressure dust extraction apparatus, filter bags are cleaned by reverse flow of air. Each cleaning operation includes a first shock phase of short duration (not longer than 0.05...
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4191542 |
Filtering process for a carbon black-containing gas
A process for filtering carbon black-containing gas wherein an optimum of carbon black recovery is achieved by filtering at least the critical filtration time and up to 50 percent, preferably up to...
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4167482 |
Filtering method and apparatus
A filtering apparatus has a housing and a brush-like filter element in the housing. The filter element includes a support which is permeable to the liquid or gas to be filtered. A filtering medium...
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4046526 |
Bag collector for dirt with selective half-bag cleaning
A plurality of elongated tubular porous bags are arranged in a straight line side by side in a housing through which a dirty stream of gas is passed impinging on the outer surfaces of the bags and...
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4032308 |
Filtering a gas stream
In order to clean collected dust particles periodically from a filter, for example in a sampling line (16) for removing waste gases from a steelmaking process for analysis, the filter (17) is first...
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4003726 |
Cleaning of particulate or mist eliminating apparatus with SO.sub.2
Fiber containing devices for eliminating mist and/or particulate matter from flue gases may become plugged with carbonaceous and/or inorganic deposits or particulate matter. Cleaning of such mist...
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3977847 |
Filtration method and apparatus
A particle laden gas stream is cleaned by passing it through an all metal fabric including a base with pile fibers connected to the base. The flowing gas forces the pile fibers to lie down upon...
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3975173 |
Method for cleaning gas filter bags
An improved method of cleaning gas filter bags and more particularly an improved method of opening the exhaust passage of a baghouse upon the completion of the cleaning of the filter bags therein.
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3951623 |
Method of and apparatus for cleaning filter boxes
In a filter box a first air flow generating unit drives air, containing solid impurities, through a filter disposed upstream of said unit. Without interrupting the drawing of impure air into the...
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