A treatment plant and method for controlling a treatment plant suitable for treatment of wastewater. The treatment plant includes a circulation channel housing liquid, a submersible flow generating machine arranged in the circulation channel and generating a liquid flow along the circulation channel, and a control unit that is operatively connected to the flow generating machine. The flow generating machine is driven in operation by the control unit. The method includes the steps of: driving the flow generating machine at a nominal speed, decreasing the rotational speed of the flow generating machine from the set nominal speed, detecting the rotational speed at which the torque of the flow generating machine is equal to a predetermined threshold, and determining the flow velocity of the liquid at the flow generating machine based on a predetermined relationship between the rotational speed of the flow generating machine and the flow velocity of the liquid.
An apparatus for the treatment of water includes an elongated housing having a first end and a second end. The first end has a water inlet and the second end has a water outlet. An elongated ultraviolet radiation source with a sleeve is concentrically located within the elongated housing. The elongated ultraviolet radiation source has, at its first end, electrical connections, which extend through the second end of the housing and have a second free end held in a support element. The support element includes a supporting structure containing a ring element and from thereon radially inwardly running arms. The arms are designed in such a way that during assembly the arms are resiliently deformed and wherein, if assembled, the arms are pressed against the sleeve, so that the free end of the ultraviolet radiation source is held by the arms in a resilient manner.
An ultraviolet mercury low-pressure amalgam lamp includes a tube having a first end and a second end, a first electrode placed in the first end of the tube, and a second electrode placed in the second end of the tube, whereby when the lamp is energized a discharge path is formed between the first and second electrodes. At least one amalgam deposit is adjacent to one of the first and second electrodes out of the discharge path between the first and second electrodes. The tube has at least one constriction, wherein the at least one amalgam deposit is placed behind the constriction with respect to the discharge path such that the at least one amalgam deposit is protected by the constriction from the heat emitted by the electrodes.
C02F 1/32 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par irradiation par la lumière ultraviolette
H01J 61/20 - Emploi de substances spécifiées pour l'atmosphère gazeuseSpécification de la pression ou de la température de fonctionnement comprenant de la vapeur métallique en qualité d'élément constitutif principal de la vapeur de mercure
H01J 61/24 - Moyens pour obtenir ou conserver la pression désirée à l'intérieur de l'enceinte
H01J 61/72 - Lampes à décharge libre sous faible pression à atmosphère principale émettrice de lumière constituée par une vapeur de métal aisément vaporisable, p. ex. vapeur de mercure
H01J 61/33 - EnceintesRécipients dont la section transversale présente une forme particulière, p. ex. pour produire une tache froide
An ozone generator with a high voltage electrode and at least one counter electrode which limit a gap in which at least one dielectric is arranged and which is flowed through by a gas flow in the direction of flow. The high voltage electrode and the at least one counter electrode are provided with a connection for an electrical power supply to generate silent discharges. A fabric is arranged in the gas flow. The fabric includes a material combination including at least one wire and at least one electrically non-conductive fiber.
A UV radiator unit includes an elongated gas discharge lamp with an essentially cylindrical UV transparent lamp body with sealed ends, which encloses a gas volume. The lamp body defines a longitudinal axis and has an outer diameter. A UV transparent sleeve tube with an inner diameter, which surrounds the lamp body and wherein the inner diameter is larger than the outer diameter of the lamp body. At least one damping ring is interposed between the lamp body and the sleeve tube. The damping ring includes a first side element, a second side element and at least one connecting portion. An axial distance is provided between the first side element and the second side element. The at least one connecting portion physically connects the first side element and the second side element.
H01J 5/48 - Moyens faisant partie du tube ou de la lampe et leur servant de support
H01J 61/34 - Enceintes ou récipients à doubles parois
H01J 61/50 - Éléments auxiliaires ou matériau solide à l'intérieur de l'enveloppe, propres à réduire les risques d'explosion lors du bris de l'enveloppe, p. ex. pour utilisation dans les mines
7.
Ozone generator with position-dependent discharge distribution
An ozone generator includes a high-voltage electrode and at least one counter electrode, which define an interstice in which at least one dielectric is arranged and through which a gas flows in the flow direction. The high-voltage electrode and the at least one counter electrode are provided with a connection for an electrical voltage supply to generate silent discharges which are discharged from surface discharge locations. The mean sparking distance and the mean spacing between the high-voltage electrode and the at least one counter-electrode are constant. The number of surface discharge locations decreases in the flow direction.
A pipe connector for connecting a first element to a second element. The pipe connector includes a pipe segment, a first flange located at a first end of the pipe segment and configured to be connected to the first element, and a second flange located at a second end of the pipe segment and configured to be connected to the second element. The first flange includes a circumferential anchor flange that is fixedly connected to the pipe segment at the first end. A flange insert is displaceable in the axial direction of the pipe connector in relation to the anchor flange between a retracted position and an extended position, and a mechanism for displacing the flange insert in relation to the anchor flange. The flange insert in the extended position protrudes in the axial direction in relation to the anchor flange.
F16L 23/036 - Raccords à brides les brides étant raccordées par des organes tendus axialement caractérisés par les moyens de mise en tension, p. ex. colliers de serrage en forme de C ou boulons spécialement adaptés
F16L 25/12 - Raccords pour tuyaux espacés axialement
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
A feed pump to increase the pressure in a line includes a pumping chamber for a pumping medium. At least one temperature sensor, which is arranged in the feed pump, is allocated to the pumping chamber and is in thermal contact with the pumping chamber for determining a temperature of the pumping medium in the pumping chamber. A temperature control device is allocated to the at least one temperature sensor and by which defined temperature conditions can be created in an area surrounding the at least one temperature sensor. An evaluation device to which the at least one temperature sensor is coupled for signal purposes uses the data from the at least one temperature sensor to determine whether pumping medium is flowing through the pumping chamber or not.
An ozone generator with a high voltage electrode and at least one counter electrode which limit a gap in which at least one dielectric and an electrically non-conductive structure are arranged and through which a stream of gas flows in a direction of flow. The high voltage electrode and the at least one counter electrode are provided with a connection for an electrical voltage supply in order to generate silent discharges. The electrically non-conductive structure contains pores with a nominal pore size (x) of 100 μm
A method and an installation for treating a main wastewater stream flowing in a closed conduit with a flow direction. The method includes the steps of: introducing a liquid into at least one pre-treatment stream; generating a gas stream containing ozone gas; introducing the gas stream into the at least one pre-treatment stream, each with a gas injector, resulting in at least one mixed-phase stream comprising ozone laden gas and liquid; passing the at least one mixed-phase stream through at least one static mixer, resulting in a predefined gas bubble size; and injecting the at least one mixed-phase stream in the main wastewater stream perpendicular to the flow direction.
Method for controlling a water treatment installation having a supply, an ozonization stage, a transfer stage, a biological filter and a discharge having the following steps: measuring a first parameter set in the supply, wherein, a measurement for a first concentration of micro-contaminations and/or a nitrite concentration is determined; controlling the ozonization stage in such a manner that an ozone supply is carried out in a preselected ratio to the measured first parameter set; measuring a second parameter set in the transfer stage, wherein, a measurement for a second concentration of micro-contaminations is determined; controlling the ozonization; measuring a third parameter set in the discharge, wherein, with reference to the third parameter set, a measurement of a third concentration of micro-contaminations is determined; if the measurement for the concentration of micro-contaminations exceeds a predetermined maximum value in the discharge, increasing the ozone supply.
An ozone generator includes a high-voltage electrode and at least one counter electrode, which define an interstice in which at least one dielectric is arranged and through which a gas flows in the flow direction, the high-voltage electrode and the at least one counter electrode being provided with a connection for an electrical voltage supply to generate silent discharges, and a wire fabric being arranged in the gas flow and its density decreasing in the flow direction.
An emitter arrangement includes a UV irradiation source, a cladding tube surrounding the UV irradiation source, and a UV-C sensor. The cladding tube has an end face on an open end. The UV-C sensor has a sensitive area, wherein the UV-C sensor is in optical connection with the end face of the cladding tube, so that the sensitive area of the UV-C sensor can detect the UV irradiation emerging from the end face of the cladding tube during the operation of the UV irradiation source.
min is reached. The decrease in current and the increase in voltage generate an ineffective current-voltage-ratio in which excess current heats the cathode. An electronic ballast equipped with the algorithm and systems equipped with such ballasts are also disclosed.
Method for determining the UV transmittance of water in a UV disinfection plant, through which water flows, wherein the UV disinfection plant has a plurality of radiator arrangements, each with a UV radiation source, a sleeve tube which surrounds the UV radiation source and which has an end face at an open end, and with a UV-C sensor which detects the UV radiation emerging from the sleeve tube without the influence of the water, and with at least one further UV sensor which is arranged at a distance from the sleeve tubes of the radiator arrangements, wherein the method includes the following steps: measuring the UV radiant power emerging from the sleeve tube; measuring an amount of the transmitted radiant power by the further UV sensor; and determining the transmittance of the water by an amount of the emerged radiant power and of the transmitted radiant power.
C02F 1/32 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par irradiation par la lumière ultraviolette
G01N 21/33 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière ultraviolette
A tempering device for tempering of biomass contained in a container, including at least one tempering mechanism, and at least one conveying device for conveying a mass flow of biomass in a main flow direction. The at least one conveying device includes at least one agitator, and wherein the at least one tempering mechanism is arranged in the main flow direction generated by the at least one conveying device. The at least one tempering mechanism is tubular with an inner tube and with an outer tube arranged coaxially to the inner tube. The inner tube and the outer tube form an intermediate space through which a tempering medium may flow. The tempering mechanism is oriented relative to the conveying device such that, in operation of the heating device, at least 40% of the delivery volume of the mass flow generated by the conveying device flows through the inner tube.
C12M 1/107 - Appareillage pour l'enzymologie ou la microbiologie avec des moyens pour recueillir les gaz de fermentation, p. ex. le méthane
C12M 3/00 - Appareillage pour la culture de tissus, de cellules humaines, animales ou végétales, ou de virus
C12M 1/06 - Appareillage pour l'enzymologie ou la microbiologie avec des moyens d'introduction de gaz avec agitateur, p. ex. avec agitateur à turbine
C12M 1/00 - Appareillage pour l'enzymologie ou la microbiologie
C12M 1/02 - Appareillage pour l'enzymologie ou la microbiologie avec des moyens d'agitationAppareillage pour l'enzymologie ou la microbiologie avec des moyens d'échange de chaleur
