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7959432 |
Method of and apparatus for cleaning fouling in heat exchangers, waste-heat boilers and combustion chambers
A device for cleaning contamination in heat exchangers, waste-heat boilers, or combustion chambers is provided. In some embodiments, the device comprises a tube, a blasting body, and a combustible...
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7410611 |
In-line method and apparatus to prevent fouling of heat exchangers
The present invention relates to a method and apparatus for the prevention of fouling of process streams by the application of electric charge on process components. The electric charge may be...
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7077888 |
Device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants
The invention relates to a device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants, comprising at least one dust filter via which the flue gases...
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6978793 |
Portable cleaning apparatus and method for single pass plate and frame heat exchangers
A portable apparatus and method for chemically cleaning a single pass plate and frame heat exchanger allows the cleaning solution to be uniformly distributed across the plate pack. This portable...
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6863116 |
Apparatus and method for collection and disposal of waste-water and debris from heat exchanger tubes and other sources
A large flexible plastic bib that is conical or funnel shaped with its large open end supported by a frame for positioning near a source of effluent to be collected, and the bib small open end...
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6622780 |
Method for thermally regenerating the heat exchanger material of a regenerative post-combustion device
In order to regenerate the heat exchanger material located in the various segments of a housing section (2) of a regenerative post-combustion device (1), air is heated in the combustion chamber (8)...
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6610250 |
Apparatus using halogenated organic fluids for heat transfer in low temperature processes requiring sterilization and methods therefor
An apparatus suitable for low temperature processing and high temperature sterilization comprising a halogenated heat-transfer fluid. The apparatus comprises an expansion device which may...
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6560965 |
System and method of cleaning a recuperator in a microturbine power system
A microturbine power system and of a method of operating same comprising automatically detecting fouling of a recuperator and then cleaning the recuperator.
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6391121 |
Method of cleaning a heater
A method of cleaning tubing in an operating heater, in which the tubing has an inlet and an outlet. While the heater is in operation, a pig is run through the tubing from the inlet to the outlet...
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6278903 |
Working robot for heat exchangers and method of operating said working robot
A robot body (21) is carried into the water chamber (2A) of a condenser (1) and disposed on a tube sheet (4) through which a number of narrow tubes (3) open. Inner nozzles (23) are inserted into...
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6203316 |
Continuous on-line smokeless bake-out process for a rotary oxidizer
A rotary valve regenerative oxidizer generally includes a combustion chamber communicating with a first end of plurality of pie shaped heat exchange chambers and a rotary valve communicating with a...
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6183707 |
Incineration of waste gases containing contaminant aerosols
A method for treating waste gases contaminated with toxic or odorous compounds in the form of a mist using a regenerative incinerator system is provided. The contaminated waste gas is passed...
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6065528 |
Air preheater cleaner
A swing-arm sootblower for a rotary regenerative air preheater is mounted to sweep across the air preheater rotor at an adjustable constant speed or angular velocity. The sootblower has means for...
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5965097 |
Rotary device for catalytic cleaning of gaseous effluents
The invention relates to a cleaning device wherein polluted effluents are passed into a cage (2) where a partitioned ring (1) of vertical axis, containing a charge (M) of a solid material...
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5875833 |
Regenerative heat exchanger
A regenerative heat exchanger for gaseous media which are in a heat exchange with one another includes stationary or rotating storage masses and at least one cleaning device for the storage masses,...
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5820836 |
Rotating catalytic cleaning device for polluted effluents
A process of cleaning a gas and a rotating catalytic gas cleaning device including a crown of vertical axis driven into rotation in a cage. The crown has an annular catalyst bed covering its inner...
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5791400 |
Linear scan hot spot detection system
A hot spot detection system for a rotary regenerative preheater has a linear rail system positionable between the central portion and the casing of the air preheater. The rail assembly has a pair...
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5762128 |
On-line regenerative air preheater fouling sensing system
A fouling sensing system monitors fouling of a rotary regenerative preheater having a housing and a rotor rotatably mounted therein. An emitter for emitting energy is positioned at one of the faces...
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5678625 |
Method and apparatus for a regenerative heat exchanger for the treatment of pollutant-containing waste gases
A method for a regenerative heat exchanger for the treatment of pollutant-containing waste gases which are in a heat exchange with another medium. The heat exchanger includes stationary or rotating...
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5643538 |
Heat transfer and thermal cleaning rotary device applied to gaseous effluents
A heat transfer device includes a ring having a vertical axis that can rotate inside a cage. The ring is inwardly provided with partitions. A permanent circulation of gaseous effluents is...
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5626184 |
Sootblower
A swing-arm sootblower for a rotary regenerative air preheater is mounted to sweep across the air preheater rotor at a constant speed or angular velocity. A constant speed motor is attached through...
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5443113 |
Heat exchangers
A Ljungstrom type heat exchanger in which the bottom sector plate is provided with welded sector plate ribs which are welded to ribs secured to the frame of the heat exchanger. The upper surface...
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5397548 |
Regenerative heat exchanger
An apparatus for catalytic reduction of a nitrogen oxide in a waste gas includes a regenerative heat exchanger containing a heat-storage material consisting at least partially of a catalytic...
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5368091 |
Temperature monitoring method and system for regenerative heat exchanger
A system and method for detecting hot spots in a rotary regenerative air preheater which compensates for normal variations in the temperature of the incoming hot gas stream or incoming cold air...
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5330441 |
Surgical suturing needle and method for making same
A surgical suturing needle is formed to have a needle shaft with a rectangular cross-section and a needle head with a triangular needle point. A transitional portion between the needle shaft and...
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5318102 |
Heat transfer plate packs and baskets, and their utilization in heat recovery devices
A pack of heat transfer plates for regenerative heat exchangers is operationally adapted to absorb heat from a flue gas flowing in one axial direction along the main flow axis and release such heat...
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5213152 |
Temperature control system for a heat detector on a heat exchanger
A control system for regulating the temperature of a heat detector disposed on a heat exchanger. The control system includes a temperature detector (42) for determining the temperature of the hot...
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5101741 |
Flow line bake-out process for incinerator
A method of cleaning flow structure within a regenerative fume incinerator of the type having a plurality of heat exchange chambers for directing fluid into and out of a combustion chamber. Each of...
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5097889 |
Hot spot detection and supression system
A hot spot detection system (78) at one location that is fixed with respect to the rotor (12), and a temperature suppression system (62) at another location that is fixed with respect to the rotor....
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5044424 |
Heat generator
A method and apparatus for improving the efficiency of the thermal section of a large scale power plant heat generator in which combustible fuels such as fossil fuels, refuse or other materials are...
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5010950 |
Ball strainer for circulating ball cleaning system
A ball strainer for foam rubber cleaning balls in a cleaning system for process piping includes a ball collecting and discharge chamber at the downstream end of the screen which is disposed wholly...
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4971140 |
Process and equipment for the maintenance of the secondary section of a heat exchanger
A manipulator head (15) equipped with a nozzle (15a), a tool or a probe is connected to a first flexible tube (16) which is wound on a drum (18) which is mounted at a first service opening (13)....
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4953629 |
Pack of heat transfer plates
A pack of heat transfer plates (2,3) are intended for heat exchangers, preferably for rotary regenerative air preheaters. The plates have mutually parallel S-shaped double ridges (21,22;31,32) and...
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4944670 |
Self-cleaning burner
A regenerative bed is operated in a separate, additional cleaning cycle by heating the regenerative bed media to a temperature above the condensation temperature of contaminants in order to liquify...
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4892139 |
Means and method for preventing unwanted accumulation in heat exchangers
A heat exchange element in the form of a tube, lies in a particulate laden gas flow and is charged with an electrostatic charge of the same polarity as an electrostatic charge on particles...
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4850423 |
Air preheater water jet cleaning apparatus
An air preheater water jet apparatus is provided for cleaning fly ash, soot and the like from a rotating or stationary heat exchange basket on a air preheater used to improve the efficiency of a...
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4823861 |
Fire detection device for regenerative air heater
A regenerative air heater is comprised of a matrix of heating surface elements contained in a compartmented housing with heat transfer being effected by alternately exposing the heating surface...
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4815523 |
Device and process for cleaning a recirculation-type regenerative heat exchanger
A process and device for cleaning a rotary regenerative heat exchanger with a rotating part and a storage mass, for the transfer of heat from a higher-temperature, contaminated gas stream to a...
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4705057 |
Cleaning device for regenerative heat exchangers
A device for cleaning the heat-exchanging surface of a storage medium of a regenerative heat exchanger which has a rotatably driven hood. The device utilizes rinsing or cleaning fluid which is...
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4676299 |
Pollution control and heat recovery
A simple method to prevent air pollution from the particulate and gaseous pollutants from power plants, by recuperating the heat in the flue gases down to atmospheric temperature and pre-heat the...
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4671867 |
Method and means for treating foundry sands and the like
The subject matter of the invention mainly relates to the technical areas of foundry, manufacture of parts by casting metal in moulds.The process consists in that after moulding the parts and...
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4651809 |
Regenerative heat exchanger
A regenerative heat exchanger having a heat-exchanging storage medium which is provided with a plurality of flow channels. At each end there is provided a respective hood, which divides the storage...
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4649987 |
Apparatus for cleaning the heat-exchanging surfaces of the storage elements of rotary regenerative heat exchangers
Apparatus for cleaning the heat-exchanging surfaces of the storage elements of rotary regenerative heat exchangers. The apparatus has a row of nozzles oriented substantially at a tangent and in a...
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4606400 |
Element basket for heat exchanger
An element basket for a rotary regenerative heat exchanger having an array of heat absorbent plates that comprise heat transfer elements therefor. Retaining means are affixed at opposite ends to...
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4593750 |
Radial seal assembly for rotary regenerative heat exchanger
A rotary regenerative heat exchanger 10 having a rotor 12 mounted to a central rotor post 18 for rotation within a surrounding housing 20 whereby heat absorbent material carried in the rotor is...
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4561873 |
Modification of deposit formation in glass furnace heat recovery
Methods for removing deposits formed in the heat exchange tube of waste heat recovery boilers for glass furnaces in which sodium aluminum silicate fine particles are introduced into the waste gases...
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4535727 |
Heat exchanger with adjustable platform for cleaning and repairing
The synthesis gas cooler is provided with a movable platform in the space between the inner and outer flue. The platform may be constructed in segments with separate cable and winch means provided...
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4509584 |
Heat-transferring elements for regenerative heat exchange in gas-gas fluidized bed heat exchangers
Heat-transferring elements for regenerative heat exchange in a gas-gas fluidized bed heat exchanger. The elements are in the form of separate, freely movable saddle-shaped bodies. The saddle-shaped...
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4499943 |
Apparatus having a dryer for organic substances
In a plant having a dryer for organic materials, especially wood chips through which hot gas from a combustion chamber can be passed, and the exhaust gases, laden with combustible contaminants, can...
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4497361 |
Regenerative heat and humidity exchanging apparatus
The apparatus includes a housing that is divided into two parallel passages. A fan in one passage causes air from the outside of a building to flow through one of the passages into the building and...
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