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WO/1996/041994A1 |
The instantaneous water heater of the invention consists essentially of an elastic, flexible or rigid, floatingly fitted composite pipe (10) and a heat source (6). When the liquid is heated inside (1) the pipe, undesirable substances, e....
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WO/1996/038702A1 |
A water jet blower for cleaning thermal installations has a water lance (6) movably arranged (5) with its mouth on or in a hatch (2). The water lance (6) can project a water jet on the wall areas that can be reached from the hatch (2) th...
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WO/1996/038704A1 |
A water jet blast for cleaning thermal installations has a water lance (6) movably arranged (5) with its mouth on or in a hatch (2). The water lance (6) can project a water jet on the wall areas that can be reached from the hatch (2) thr...
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WO/1996/038703A1 |
A water jet blower for cleaning thermal installations has a water lance (6) movably arranged (5) with its mouth on or in a hatch (2). The water lance (6) can project a water jet on the wall areas that can be reached from the hatch (2) th...
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WO/1996/038701A1 |
A process is disclosed to determine the position of a controllable water jet blower used to clean a predeterminable surface of a heatable inner chamber, preferably a combustion chamber, in which sediments are deposited. At least one poin...
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WO/1996/028691A1 |
According to the invention a device for cleaning a pipe base (6) of a steam generator (2) with a sprayed fluid contains a spray lance (50) extending parallel to its longitudinal axis (62) in which a spray head (63) is fitted at a free en...
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WO/1996/028690A1 |
According to the invention, a flexible lance (50) for working on or inspecting the tube base (6) of a steam generator (2) contains a flexible metal strip (52) having longitudinal lines of holes (54) through which is threaded a flexible s...
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WO/1996/028692A1 |
A device for treating or inspecting the pipe floor (6) in a steam generator (2) comprises according to the invention a flexible lance (50) with a flexible strip (52) carrying at least one flexible supply line (58, 66, 72) for a treatment...
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WO/1996/024021A1 |
The invention relates to a heat exchanger, whereupon the heat exchanger comprises a pipe section for liquid circulation and fin parts that are attached to the outer surfaces of the pipe section in order to enlarge the heat-exchange surfa...
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WO/1996/023169A1 |
A process for the control of soot blowers (4) in a boiler plant, which can be activated individually or in groups to remove deposits at intervals from the heat exchanger surfaces (2, 3) of the boiler (1). The process comprises the follow...
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WO/1996/023168A1 |
A process for the control of soot blowers (4), individually or in groups, for cleaning a boiler plant (1). The soot blowers (4) are activated at intervals for a cleaning operation and emit a cleaning medium (5) - in particular a gas, ste...
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WO/1996/023170A1 |
A process for the operation of a boiler plant in which deposits are removed at intervals from the heat exchanger surfaces (2, 3) of the boiler (1) by soot blowers (4) which can be activated individually or in groups. A cleaning operation...
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WO/1996/022497A1 |
The invention relates to a process and device for cooling and cleaning surface elements (52) of a plate heat exchanger (10) to recover heat from outgoing air by spraying water into a stream of outgoing air (16). Wetting nozzles (38) are ...
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WO/1996/021132A1 |
In order to provide a nozzle, such as an angular fan nozzle, or a nozzle system for high temperature reactors with fire-resistant linings so that the nozzle can be easily replaced, a replaceable nozzle (1) or a nozzle-replacement system ...
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WO/1996/020259A1 |
A steam cracking method and plant using controlled injection of solid particles into a quenching exchanger (3). The particles are injected through 1 to 8 injection lines, slightly upstream from an impinger/diffuser (6) with solid surface...
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WO/1996/020385A1 |
A boiler cleaning device, particularly a soot blower, comprising a carriage (3) and a spray pipe (4) for spraying a cleaning fluid, wherein the carriage (3) is mounted on an endless screw (2) which imparts a translational movement to sai...
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WO/1996/018069A1 |
A boiler cleaning device includes a frame mounting a carriage (35) for moving a lance (61) in and out of a boiler along said frame. The carriage (35) is moved by a drive-chain which passes through a differentially geared set of sprockets...
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WO/1996/017695A1 |
A deployment system for an upper bundle steam generator cleaning/inspection device (90), the deployment system including an elongated body (80) feedable through an access in a steam generator shell proximate the tube sheet (32) of the st...
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WO/1996/015972A1 |
Apparatus is disclosed for storing one or more stiffly flexible hoses, cables, rods or the like (16) in the annular space (7) between two rotationally supported coaxial cylinders (2, 3), the coils of said hoses, cables, rods or the like ...
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WO/1996/015407A1 |
An apparatus for use with a search device (82) and a foreign object extrication device (88) in a steam generator includes a router (54) having two conduits (56, 58) for routing the search and extrication devices, and a positioning mechan...
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WO/1996/011755A1 |
A method and a device for removing a deposit or layer (4) of contaminating materials from a support or construction (3). A drive signal generator (1) controls a mechanical vibration generator (2) comprising a vibrating mechanical actuato...
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WO/1996/008677A1 |
The invention relates to a process for removing a heavy deposit, which is entirely or partially sintered, from superheaters and other heat-transferring surfaces in recovery boilers and other boilers by means of so-called soot blowing dur...
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WO/1996/007763A1 |
The present invention relates to the use of solvents and low frequency sonic energy within the range of 1.5 to 6.5 KHz, preferably less than 2.0 KHz and most preferably 1.25 KHz, for enhancing the dissolution of alkaline earth metal scal...
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WO/1996/007067A1 |
The proposal is for a process for cleaning and disinfecting flake-ice machines and a flake-ice machine for implementing the process by means of a cleaning agent at high temperature and a suitable process cycle.
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WO/1996/004208A1 |
Alkaline earth metal scales, particularly barium sulfate and strontium sulfate, and silica-based scales, particularly potassium fluorosilicate, are removed from industrial processing equipment, tubular goods, and other scaled materials w...
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WO/1995/031308A1 |
A self-propelled tube bundle extractor (10) includes a mainframe (12) which has four hydraulically actuated wheel assemblies (16A-D) for propulsion and steering. An extraction frame (13) is mounted on the main frame (12) and is operable ...
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WO/1995/030861A1 |
An upper bundle steam generator (10) cleaning system including a cleaning head deployment and support device (50) receivable through a hand hole of the steam generator (10) and including retractable cylinders which raise the cleaning hea...
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WO/1995/030869A1 |
A retaining sleeve for cleaning brushes (24) in tubular heat exchangers with a cage-like jacket formed by longitudinal webs (12), a stop for the cleaning brushes at one end of the retaining sleeve (10) and a connector (20) at the other e...
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WO/1995/030870A1 |
A heat exchanger has been developed with a helical insert (9) permanently mounted in a housing (2). Between the windings in the insert (9) there is formed a helical channel (20) for one heat exchange medium. The insert (9) is designed wi...
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WO/1995/027876A1 |
A cleaning apparatus is contained within the potable water collection apparatus, to selectively clean the cooling coil (14) and the collection pan (20), when the collection apparatus is not collecting potable water. The potable water col...
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WO/1995/025929A1 |
A nozzle (40) for a sootblower is used to project a cleaning agent against the internal surface of a boiler for removing fireside deposit. The nozzle (40) of the present invention incorporates a passageway having a convergent segment bet...
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WO/1995/023321A1 |
A recovery device comprising a sleeve (21) arranged in the outlet (15S) of a heat exchanger (10) and containing a filter assembly (24) capable of retaining solid cleaning materials (18) circulating through the heat exchanger. The filter ...
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WO/1995/021365A1 |
The invention provides a chiller (1) for chilling liquid before storage in a refrigerated vat (2). The chiller (1) has an insulated tank (12, 14) having a coil (16) located therein for passing the liquid to be chilled. Inner tank (12) co...
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WO/1995/014205A1 |
A cleaning system for cleaning the inside of fluid conduting tubing (14). The cleaning system includes a plurality of balls (26) entrained by a fluid flowing through the system, separation apparatus (28) for separating the balls (26) fro...
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WO/1995/010722A2 |
A poppet valve has a flow restrictor downstream of the poppet (49) which is externally adjustable by rotation of the poppet valve stem (52). The restrictor is in the form of a throttle ring (71) threadedly mounted on a valve guide (33) a...
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WO/1995/009338A1 |
A heat exchanger (1) for two flowing fluids (A, B) has parallel flow channels (4) whose cross-section is formed by layered and superimposed boards with a sinuous profile. Each board covers the flow channels (4) of the underlying board. D...
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WO/1995/005250A1 |
The proposed method of cleaning the inner surface of a pipe involves pumping a working liquid through the pipe to be cleaned (10), subjecting the inner surface of the pipe (10) to a hydraulic shock wave triggered by an electrical dischar...
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WO/1995/005227A1 |
The enduring fouling occurring at the heat exchange surfaces of known falling film evaporators causes big costs. A new falling film evaporator with automatic cleaning system should prevent such enduring fouling from occurring during the ...
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WO/1995/000811A1 |
The invention relates to an apparatus for transferring cleaning bodies (20) for a heat exchanger (18) through which can flow a cooling fluid. The apparatus requires in the case of discontinuous operation a minimum number of drives operat...
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WO/1994/029662A1 |
The present invention relates to a method of and an apparatus for removing deposits from the walls of process equipment. The method in accordance with the present invention is based on the concept that the deposits may be detached from t...
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WO/1994/027106A1 |
The invention concerns an elongate rod (10) for countering deposition on a conduit (12), the rod (10) being adapted for insertion and location in the conduit (12) and having a substantially helical, longitudinally extending groove (34). ...
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WO/1994/018518A1 |
Method and device for percussive cleaning of objects (1) arranged in a zone subjected to a processing pressure, in which an elongate percussive element (6) is held under and against the object to be cleaned, and percussive energy is appl...
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WO1994018517A1 |
A nozzle suitable for use with a device for removal of deposits from contaminated surfaces, such as a sootblower in a heat recovery boiler, is designed to avoid normal shock wave formation, and hence energy dissipation, by achieving a co...
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WO/1994/017356A1 |
Treatment apparatus (10) is provided for maintaining a heat exchange surface, such as a cooling coil (11) in an air treatment plant, clean and efficient. The treatment apparatus (10) includes controlled pump means (14) for pumping liquid...
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WO/1994/016280A1 |
The present invention relates to an arrangement for automatically cleaning heat-exchanging passageways, particularly the coolant passageways of tools. According to the invention, the arrangement includes an outlet line (1), an inlet line...
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WO/1994/011694A1 |
A cleaning device (1) known as a sootblower, for cleaning the heat exchange surfaces of plate packs (54) in rotary regenerative heat exchangers comprises an extendable lance (5) carried in a casing (2) conduits (23) within the lance (5) ...
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WO/1994/009113A1 |
Device for cleaning the tubes of a photobioreactor and photobioreactor comprising same. The object of the invention is to produce a device capable of efficiently cleaning photobioreactor tubes, even if they have a rectangular cross secti...
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WO/1994/009112A1 |
Device for cleaning photobioreactor tubes and photobioreactor comprising said device. The object of the invention is the effective cleaning of the inner walls of photobioreactor tubes, including tubes of square or rectangular cross-secti...
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WO/1993/019834A1 |
The invention relates to an arrangement in connection with a flue gas scrubber, comprising a vane grate (3) for effecting rotational movement of flue gases, said vane grate (3) being mounted onto the end of a flue (2) extending into a fl...
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WO/1993/018362A1 |
A coil cleansing assembly (10) for automated cleaning of dirt and debris from within banks (12, 14, 16) of heat exchanger coils is disclosed. The cleansing assembly is mounted above, below and between banks of such coils to enable focuse...
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