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 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
H01J 61/20 - Selection of substances for gas fillingsSpecified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
H01J 61/24 - Means for obtaining or maintaining the desired pressure within the vessel
H01J 61/72 - Lamps with low-pressure unconstricted discharge having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
H01J 61/33 - Special shape of cross-section, e.g. for producing cool spot
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.
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 - Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
F16L 25/12 - Joints for pipes being spaced apart axially
F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
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 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
G01N 21/33 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
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.
Abstract The invention relates to an emitter arrangement (1) comprising a UV irradiation source (2), a cladding tube (3) surrounding the UV irradiation source (2), said cladding tube having an end face (13) on an open end (12), and a UV-C sensor (6) having a sensitive area, wherein the UV-C sensor (6) is in optical connection with the end face (13) of the cladding tube (3), so that
the sensitive area of the UV-C sensor (6) can detect the UV irradiation emerging from the end face (13) of the cladding tube (3) during the operation of the UV irradiation source (2). CA 2967090 2019-02-21
The invention relates to a 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 (1), each with a UV radiation source (2), a sleeve tube (3) which surrounds the UV radiation source (2) and which has an end face (13) at an open end (12), and with a UV-C sensor
(6) which detects the UV radiation emerging from the sleeve tube (3) without the influence of the water, and with at least one further UV sensor (23) which is arranged at a distance from the sleeve tubes (3) of the radiator arrangements (1), wherein the method has the following steps: a) for at least one radiator arrangement (1), measuring the UV radiant power emerging from the sleeve tube (3), by means of the UV-C sensor (6); b) measuring an amount of the transmitted radiant power by means of the at least one further UV sensor which is at a distance from the UV radiation sources; c) determining the transmittance of the water by means of an amount of the emerged radiant power and of the transmitted radiant power.
C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
G01N 21/33 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
The invention relates to an ozone generator comprising a high-voltage electrode (5) and at least one counter electrode (1), which define an interstice in which at least one dielectric (2) is arranged and through which a gas flows in the flow direction, the high-voltage electrode (5) and the at least one counter electrode (1) being provided with a connection for an electrical voltage supply unit (7) to generate silent discharges, a flat wire structure being arranged in the gas flow and its density decreasing in the flow direction.
The invention relates to 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, wherein 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, and a fabric is arranged in the gas flow, said fabric comprising a
material combination consisting of at least one wire and at least one electrically non-conductive fibre.
A self-adjusting drum system for use with a pump or similar rotating machinery comprises a balancing drum mounted on a central shaft for joint rotation therewith. The shaft extends along an axial direction and the balancing drum has an outer surface. A fixed, stationary structure surrounding the balancing drum is provided. The stationary structure has an inner surface arranged so as to face the outer surface of the balancing drum. An annular gap is provided therebetween. A bush element is arranged in the annular gap so as to leave clearance with respect to the inner and/or outer surfaces. Fixing means are further provided for fixing the bush element to the stationary structure so as to lock the bush element against movement along the axial direction and allow it to freely move along a radial direction, inside the annular gap.
In a first aspect the invention relates to a pipe connector for connecting a first element to a second element. The pipe connector comprises a pipe segment (11), a first flange (12) located at a first end of the pipe segment (11) and configured to be connected to said first element, and a second flange (13) located at a second end of the pipe segment (11) and configured to be connected to said second element. The pipe connector (1) is characterized in that said first flange (12) comprises a circumferential anchor flange (18) that is fixed connected to the pipe segment (11) at said first end, a flange insert (19) that is displaceable in the axial direction of the pipe connector (1) in relation to the anchor flange (18) between a retracted position and an extended position, and means for displacing the flange insert (19) in relation to the anchor flange (18), in the direction running axial from the second end towards the first end of the pipe segment (11), wherein the flange insert (19) in the extended position protrude in the axial direction in relation to said anchor flange (18). In a second aspect the invention also relates to a pipe connector unit comprising such a pipe connector (1) and an adaptor (8).
F16L 23/036 - Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
F16L 25/12 - Joints for pipes being spaced apart axially
The invention relates to a method for the production of ozone at elevated pressure with a capacity of at least 1 kg ozone/h by means of an ozone generator having a high voltage electrode and at least one counter electrode, wherein the high voltage electrode and the at least one counter electrode delimit a gap in
which at least one dielectric is arranged and through which a gas containing oxygen and having a gas pressure of pgas flows, and wherein the high voltage electrode and the at least one counter electrode with a connection for an electric power supply to generate discharges are provided in at least one discharge gap, wherein the power supply provides a voltage in a range from 1 kV to 50 kV and wherein stroke widths d, of the discharge are distributed between a minimum stroke width dmm and a maximum stroke width dmax, the gas pressure pgõ of the gas containing oxygen at the outlet of the ozone generator is at least 3 bar.
The present invention relates to an aerator assembly for diffusing a gas in a liquid, comprising a gas supply conduit (2) and at least one aerator (3), wherein the gas supply conduit (2) and the aerator (3) are releasably joined to each other by means of an attachment means (23). The aerator assembly is characterised in that, the attachment means (23) comprises a flexible body (25) and a compressions means (26), wherein the attachment means (23) is arranged to be reversibly set in an inactive mode, in which the gas supply conduit (2) and said at least one aerator (3) are in mutually released mode, as well as in an active mode in which the flexible body (25) is compressed in its axial longitudinal direction by means of the compression means (26) and clamps said at least one aerator (3) and the gas supply conduit (2) against each other.
The invention relates to an ozone generator comprising a high-voltage electrode (5) and at least one counter electrode (1), which define an interstice in which at least one dielectric (2) is arranged and through which a gas flows
in the flow direction, the high-voltage electrode (5) and the at least one counter electrode (1) being provided with a connection for an electrical voltage supply (7) to generate silent discharges which are discharged from surface locations, and wherein the mean spacing between the high-voltage electrode (5) and the at least one counter-electrode (1) and the mean sparking distance are constant, wherein the number of surface locations from which the silent discharges are discharged decreases in the flow direction.
A control algorithm for operating a fluid disinfecting system by means of UV radiation, wherein the UV radiation is generated by at least one UV lamp comprising a pair of heating cathodes having a discharge voltage (U D), said UV lamp is operated by an electronic ballast unit, which is equipped with the control algorithm, which allows to adjust the UV power of the UV lamp by pulse-width-modulation, to reduce UV power said control algorithm includes the following steps: .cndot. Decreasing the current to a level (I kmin); .cndot. Increasing the voltage amplitude (U) above the discharge voltage (U D) until a desired UV power level is reached; .cndot. With increasing voltage amplitude (U) decreasing the pulse width (PW), until PW min is reached; .cndot. Wherein the decrease in current and the increase in voltage are carried out in such a way, that an ineffective current-voltage-ratio is generated, whereas the too high current is used for cathode heating.
The invention relates to an ozone generator comprising a high-voltage electrode and at least one counter electrode, which define an interstice in which at least one dielectric and an electrically non-conductive structure 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 unit to generate silent discharges, the electrically non-conductive structure comprising pores, the nominal pore size (x) thereof being 100 µ?? x < 1 mm.
A UV radiator unit is disclosed comprising - an elongated gas discharge lamp with an essentially cylindrical UV transparent lamp body (15) with sealed ends (20), which encloses a gas volume (18), wherein the lamp body (15) defines a longitudinal axis (2) and has an outer diameter, - a UV transparent sleeve tube (16) with an inner diameter, which surrounds the lamp body (15) and wherein the inner diameter is larger than the outer diameter of the lamp body (15), - at least one damping ring (1) interposed between the lamp body (15) and the sleeve tube (16), wherein - the damping ring (1) comprises a first side element (3) and a second side element (4), wherein an axial distance is provided between the first side element (3) and the second side element (4), and at least one connecting portion (6), which physically connects the first side element (3) and the second side element (4).
The invention relates to an ultraviolet mercury low-pressure amalgam lamp (2) comprising: a tube (3) having a first end (1) and a second end; a first electrode (4) placed in the first end (1) of said tube (3); a second electrode placed in the second end of said tube, whereby when the lamp (2) is energized a discharge path is formed between said first and second electrodes; and at least one amalgam deposit (6) adjacent to one of said first and second electrodes out of the discharge path between said first and second electrodes, wherein the tube (3) has at least one constriction (7) wherein the at least oneamalgam deposit (6) is placed behind the constriction (7) with respect to the discharge path such that the at least one amalgam deposit (6) is protected by the constriction (7) from the heat emitted by the electrodes (4).
H01J 61/20 - Selection of substances for gas fillingsSpecified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
H01J 61/24 - Means for obtaining or maintaining the desired pressure within the vessel
H01J 61/32 - Special longitudinal shape, e.g. for advertising purposes
H01J 61/33 - Special shape of cross-section, e.g. for producing cool spot
H01J 61/72 - Lamps with low-pressure unconstricted discharge having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
The present invention relates to an apparatus (1) for the treatment of water, said apparatus comprising: - an elongated housing (2) having a first end and a second end, said first end having a water inlet (3)and said second end having a water outlet (4); - an elongated ultraviolet radiation source (5, 6) with a sleeve (6) concentrically located within the elongated housing (2), said elongated ultraviolet radiation source (5, 6) having at its first end electrical connections, which extend through said second end of the housing (2) and having a second free end (6') held in a support element (8), wherein the support element (8) comprises a supporting structure (10) containing a ring element (11) and from thereon radially inwardly running arms (12), wherein the arms (12) are designed in such away that during assembly the arms are resiliently deformed and wherein if assembled the arms are pressed against the sleeve (6), so that the free end (6') of the ultraviolet radiation source (5, 6) is held by the arms (12) in a resilient manner.
