Device for influencing the flow in the region of a tube support plate of a tube bundle heat exchanger

摘要

The present invention is related to a device for influencing the flow in the region of a tube support plate (700, 800) of a tube bundle heat exchanger (100), for the food and beverage industry in particular. A displacement body (10, 11) is provided with a shank part (10c, 11c) which extends in the direction of its axis of symmetry (S) and which, at its end distal to the displacement body (10, 11) is fixedly connected to a connection bend (1000) or connection fitting (1100; 1200) which follows the exchanger flange (500; 1100e) or the connecting piece (800d).

主权项

1. A device for influencing a flow in the region of a tube support plate (700, 800) of a tube bundle heat exchanger (100), the device comprising:
an outer channel (200*) surrounded by an outer shell (200); a heat carrier medium (M) flowing through the outer channel (200*); an inner channel (300*);
the inner channel (300*) extending through the outer channel (200*), the inner channel (300*) defining an axis that is parallel to an axis defined by the outer shell (200);the inner channel (300*) being formed by a plurality of inner tubes 300, which run parallel to each other;the inner tubes (300) being supported at one end in a fixed bearing side tube support plate (700), and at the opposite end in a floating bearing side tube support plate (800)the fixed bearing side tube support plate (700) and the floating bearing side tube support plate (800) being supported directly or indirectly in the outer shell (200);a product (P) flowing through the inner tubes (300); either an exchanger flange (500) or a chamber flange (1100e) being connected to the fixed bearing side tube support plate (700); one of a common inlet (E) or outlet (A), at one end of all inner tubes (300), being defined by the exchanger flange (500); the other of a common inlet (E) or outlet (A) at the opposite end of all inner tubes (300) collectively defined by the chamber flange (1100e) and a connecting piece (800d) that is connected to the floating bearing side tube support plate (800); at least two tube bundle heat exchangers (100) being connected in series, arranged in parallel to each other, which are connected together in a fluid passable manner with respect to the product (P), via a connection bend (1000) or a connection fitting (1100; 1200); a displacement body (10; 11) arranged axially symmetric and concentric to the tube support plate (700, 800) to influence the flow of the product (P) in the region of the tube support plate (700;800);
the displacement body (10; 11) comprising a shank part (10c; 11c), the shank part (10c; 11c) extending in the direction of an axis of symmetry (S) of the displacement body (10; 11);the shank part (10c; 11c), at the end thereof, being fixedly connected to the connection bend (1000) or the connection fitting (1100; 1200) in a manner such that the displacement body (10; 11) is fixed in a stationary relationship relative to the tube support plate (700; 800); the connection bend (1000) or the connection fitting (1100; 1200) being connected to the exchanger flange (500) and the connecting piece (800d);
the displacement body (10; 11) being formed from two portions (10a; 10b; 11a; 11b) that at connecting cross sections thereof form a greatest common exterior diameter (dmax);the displacement body (10; 11), axially symmetrically dividing the flow into or out of the inner channel (300*), deflecting the flow towards the outside and in doing so accelerating the flow in a nozzle-like constricted annular gap cross section (As) between the displacement body (10; 11) and a first portion of an inner contour (Ki) of the exchanger flange (500; 1100e) or the connecting piece (800d);the annular gap cross section (As) at a second portion of the inner contour (Ki) defining an enlarging annular gap cross section (ASE).