摘要:
The present invention concerns a thermowell (3) for use with an apparatus (1) for determining and/or monitoring a process variable of a medium (M) in a vessel or pipe (2) comprising a tubular element (4) having a first end section (4a), a second end section (4b) with a closed end, and a hollow space (5) defined by an inner cross-sectional surface (s) and a predeterminable height (h) parallel to a longitudinal axis (A) of the tubular element (4), which hollow space (5) serves for receiving a measuring insert (6) for determining and/or monitoring the process variable, and a fastening unit (7),which fastening unit (7) serves for mounting the thermowell (3) to the vessel or pipe (2) such that the tubular element (4) at least partially extends into an inner volume of the vessel or pipe (2). According to the present invention, the thermowell (3) is at least partially constructed such, that an outer cross-sectional surface (S) at least partially, in particular at least in the second end section (4b), has an airfoil shape. Further, the present invention concerns an apparatus (1) for determining and/or monitoring a process variable of a medium (M) in a vessel or pipe (2), comprising at least one thermowell (3) according to the present invention.
摘要:
The present invention relates to a Measuring insert (3) for determining and/or monitoring a temperature (T) of a medium (M) in a vessel (V) or pipe for insertion into a protective tube (2) which protective tube (2) at least partially protrudes into an inner volume of the vessel (V) or pipe,the measuring insert (3) comprising an elongated tube (3a), and a temperature sensor (5) arranged inside an end region of the measuring insert (3). According to the present invention the measuring insert (3) further comprises a coupling element (9) fastened to the elongated tube (3a) in the end region in which the temperature sensor (5) is arranged, which coupling element (9) is embodied and/or dimensioned so as to serve for fixing the measuring insert (3) inside the protective tube (2) in a state in which the measuring insert (3) is introduced into the protective tube (2).
摘要:
A stand-alone modular system (20) for pressure compensation of a thermowell (9), comprising: a gas container (7), which gas container (7) is filled with a limited amount of a, preferably inert, gas and which container serves as a pressure reservoir for the thermowell (9), a pressure regulating element (2), wherein the pressure regulating element (2) is connectable to the thermowell (9) and to the container (7) in a gas tight and pressure tight manner and wherein the pressure regulating element (2) serves for regulating the pressure in the thermowell (9) to a predetermined pressure value.
摘要:
The present invention concerns protective tube (1) for insertion into a pipe or vessel (2) containing a medium (M), a measuring apparatus (3) having such protective tube (1) and to a method for producing the protective tube (1). The protective tube (1) comprising a tubular member (5) having a bore (6) extending between an upper and lower end of the tubular member (4), and at least one helical fin (9) formed on at least a section of an outer surface (S) of the tubular member (5), winding around the outer surface (S) of the tubular member (5) and defining a flow channel (10) along at least a part of the tubular member (5). At least one geometrical parameter of the at least one helical fin (9) is chosen such that it depends on at least one process condition of the medium (M) in the vessel or pipe (2).
摘要:
Einbauarmatur (4) mit einem Armaturengehäuse (7, 29, 28) zur Aufnahme mindestens eines stabförmigen Messeinsatzes (5), wobei das Armaturengehäuse (7, 29, 28) einen rohrförmigen ersten und zweiten Gehäuseteil (7, 29) aufweist, wobei zur Aufnahme des Messeinsatzes (5) eine erste Sicherheitskammer (1) in dem ersten Gehäuseteil (7) und eine zweite Sicherheitskammer (2) in dem zweiten Gehäuseteil (29) vorgesehen ist, wobei das erste Gehäuseteil (7) einen Prozessanschluss (9) aufweist und wobei das erste Gehäuseteil (7) auf einer dem ersten Gehäuseteil (7) gegenüberliegenden Seite des Prozessanschlusses (9) mit dem zweiten Gehäuseteil (29) verbunden ist, und wobei eine Abdichtungsvorrichtung (10) vorgesehen ist, die bei in das Armaturengehäuse (7, 29, 28) eingebrachtem Messeinsatz (5) dazu dient, die zweite Sicherheitskammer (2) gegenüber der ersten Sicherheitskammer (1), insbesondere druck- und/oder flüssigkeitsdicht, abzudichten.
摘要:
The present invention relates to a coupling adapter (9) for a measuring insert (3) for determining and/or monitoring a temperature (T) of a medium (M) including a temperature sensor (5), which measuring insert (3) can be introduced into a protective tube (2) for accommodating the measuring insert (3). The coupling adapter (9) comprises a base body (10) having a bore with a diameter adapted to an outer diameter of the measuring insert (3), and a coupling element (11), which is arranged on an outer surface of the base body (10), which coupling element (11) is embodied and/or dimensioned so as to serve for fixing the measuring insert (3) inside the protective tube (2) in a state in which the measuring insert (3) is introduced into the protective tube (2). The present invention is as well concerned with an apparatus (1) for determining and/or monitoring the temperature (T) of a medium (M) comprising such coupling adapter (9).
摘要:
A stand-alone modular system (20) for pressure compensation of a thermowell (9), comprising: a gas container (7), which gas container (7) is filled with a limited amount of a, preferably inert, gas and which container serves as a pressure reservoir for the thermowell (9), a pressure regulating element (2), wherein the pressure regulating element (2) is connectable to the thermowell (9) and to the container (7) in a gas tight and pressure tight manner and wherein the pressure regulating element (2) serves for regulating the pressure in the thermowell (9) to a predetermined pressure value.
摘要:
The present invention concerns a protective tube (1) for insertion into a pipe or vessel (2) containing a medium (M), a measuring apparatus (3) having such protective tube (1) and to a method for producing the protective tube (1). The protective tube (1) comprises a tubular member (5) having a bore (6) extending between an upper and lower end of the tubular member (4), and at least one helical fin (9) formed on at least a section of an outer surface (S) of the tubular member (5), winding around the outer surface (S) of the tubular member (5) and defining a flow channel (10) along at least a part of the tubular member (5). An outer surface (S) of the tubular member (5) comprises a surface structure (11) in an area of the at least one flow channel (10).
摘要:
The present invention relates to a measuring insert (3) for determining and/or monitoring a temperature (T) of a medium (M) in a vessel (V) or pipe, which can be inserted into a protective tube (2) for accommodating the measuring insert (3), the protective tube (2) at least partially protruding into an inner volume of the vessel (V) or pipe. The measuring insert (3) comprises an elongated tubular member (9) comprising a first (9a) and a second section (9b), and at least one temperature sensor (5) located in an inner volume of the second section (9b) of the elongated tube member (9), wherein the second section (9b) comprises a tubular base body (10), and wherein the base body (10) is connectable to the first section (9a) of the elongated tubular member (9), wherein the second section (9a) is at least partially embodied and/or dimensioned so as to serve for fixing the measuring insert (3) inside the protective tube (2) in a state in which the measuring insert (3) is introduced into the protective tube (2). The present invention is as well concerned with an apparatus (1) for determining and/or monitoring the temperature (T) of a medium (M) comprising such coupling adapter (9).