Patent UA-103027-C2 (UA)
Title: Hydrologic-hydrochemical probe for determination of dissolved hydrogen sulfide concentration profile (variants)
Inventor: KIRIUSCHENKO IHOR HEORHIIOVYCH
IPC: G01N27/333
Filed: 2010-12-16
Abstract: The invention relates to measuring technique of hydro-chemical parameters of water media in oceanographic, hydrographic and ecological studies and can be used in different technological processes related to control of concentration (activity) of sulfide-ions of dissolved substances. Subject: by the first variant of the invention the hydrological-hydrochemical probe for determination of profile of concentration of dissolved hydrogen sulfide includes immersible device (ID) that includes, for instance, five measuring transducers, with the transducer of characteristic of concentration of dissolved hydrogen sulfide among those. The output of each of measuring transducers is connected to one of the inputs of the adapter, respectively, the output of this one is connected to the input of the system controller, its output is connected to the input of the power supply, synchronization and communication block, respectively, the output of this one through load-carrying communication cable (LCCC) is connected to the input of the board device (BD). The BD includes a block of cable communication where the input is the input of the BD, and the outputs are connected to respective inputs of the mean for representation of the profile of concentration of dissolved hydrogen sulfide, the output of this one is the output of the probe. The output of the additive mixer is connected to the sixth input of the adapter. The additive mixer has (n+1) inputs where n – the number of factors affecting dissociation of hydrogen sulfide diluted in water; this is determined by set error of measurement. In this example n=2, thus the additive mixer has three inputs: the first input is connected to the output of the transducer of characteristic of concentration of dissolved hydrogen sulfide, the second input through the former of error signal from one of the factors that affect dissociation of hydrogen sulfide dissolved in water - on pH is connected to the output of the measuring transducer, signals from this one represent the factor pH. The third input of the additive mixer is connected to the outputs of several measuring transducers signals from which in total represent one of the factors that affect dissociation of dissolved in water hydrogen sulfide (salinity) – connected to the outputs of the measuring temperature converter, transducer of electric conductivity and pressure transducer. The probe by the second variant includes measuring transducers the inputs of which are connected to five inputs of the adapter the output of which is connected to the input of the system controller the output of which is connected to the input of the power supply, synchronization and communication block, the output of this one through LCCC is connected to the input of the BD, this includes a block of cable communication in which the input is the input of the BD, and the outputs that correspond to the outputs of the measuring transducers are connected to the inputs of the mean for representation of the profile of concentration of dissolved hydrogen sulfide the output of which is the output of the probe. The BD, like the ID in the first variant of the probe, includes an additive mixer with (n+1) inputs where n – number of factors that affect dissociation of dissolved in water hydrogen sulfide that is determined with set error of measurement. In this case n=2. The output of the additive mixer is connected to the additional input of the mean for representation of profile of concentration of dissolved hydrogen sulfide. The first input of the additive mixer is connected to the output of the block of cable communication that corresponds the signal from the transducer of characteristic of concentration of dissolved hydrogen sulfide, the second input of the additive mixer through the error signal former from the pH factor that affects dissociation of hydrogen sulfide dissolved in water is connected to the output of the cable communication block corresponding to measuring transducer signal from which represents the factor pH. The third input of the additive mixer through the error signal from salinity factor former that affects dissociation of hydrogen sulfide dissolved in water is connected to several outputs of the block of cable communication that corresponds to several measuring transducers signals from which together represent the factor of salinity – in this example with outputs corresponding to transducer of temperature, transducer of electric conductivity and pressure transducer. This invention makes it possible to increase accuracy of determination of profile of concentration of dissolved hydrogen sulfide and its separation without use of a cassette of bathometers at that.