Compact high performance through-air apparatus

1 . A high performance through-air apparatus comprising:

a through-air roll configured for rotational movement about a first axis;

a high flow circuitous air path inside of the apparatus that includes a path extending through a supply conduit, through the through-air roll, and also through an exhaust conduit;

a plurality of turning vanes positioned within the high flow circuitous air path positioned to guide the flow of air through the apparatus;

wherein the through-air apparatus has a length, a width, a height, which together define a volume; and

wherein the high flow circuitous air path inside of the apparatus has a length of at least 20 m, wherein the ratio of the volume of the through-air apparatus to the length of the high flow circuitous air path is less than 20 m 2 .

2 . The high performance through-air apparatus of claim 1 , further comprising one or more flow straighteners positioned within the high flow circuitous path positioned to guide the flow of air through the apparatus.

3 . The high performance through-air apparatus of claim 2 , wherein the exhaust conduit further comprises a heating source, wherein the one or more flow straighteners are positioned adjacent the heating source.

4 . The high performance through-air apparatus of claim 1 , wherein the through-air roll has a single exhaust end which is coupled to the exhaust conduit.

5 . The high performance through-air apparatus of claim 1 having a panelized construction comprising a plurality of panels assembled together to form the through-air apparatus.

6 . The high performance through-air apparatus of claim 1 , wherein the first axis is substantially parallel to the length of the through-air apparatus.

7 . The high performance through-air apparatus of claim 1 , wherein the supply conduit of the high flow circuitous air path inside of the apparatus is bifurcated to include a first supply conduit positioned on a right side of the through-air apparatus, and a second supply conduit positioned on a left side of the through-air apparatus.

8 . The high performance through-air apparatus of claim 7 , wherein the exhaust conduit is interposed between the first supply conduit and the second supply conduit.

9 . The high performance through-air apparatus of claim 7 , wherein the second supply conduit is a mirror image of the first supply conduit.

10 . The high performance through-air apparatus of claim 7 , wherein the first supply conduit positioned on the right side of the through-air apparatus includes a first set of turning vanes configures to turn the air path, and a second set of turning vanes configured to turn the air path.

11 . The high performance through-air apparatus of claim 10 , wherein the second supply conduit positioned on the left side of the through-air apparatus includes a third set of turning vanes configures to turn the air path, and a fourth set of turning vanes configured to turn the air path.

12 . The high performance through-air apparatus of claim 10 , wherein the first and second set of turning vanes are each configured to turn the air path at least approximately 90° within the first supply conduit.

13 . The high performance through-air apparatus of claim 1 , further comprising one or more static mixers within the high flow circuitous path positioned to guide the flow of air through the apparatus.

14 . The high performance through-air apparatus of claim 1 , wherein the exhaust conduit further comprises a heating source, wherein the exhaust conduit further comprises a plurality of mixing plates adjacent the heating source.

15 . The high-performance through-air apparatus of claim 1 , wherein the ratio of the volume of the through-air apparatus to the length of the high flow circuitous air path is less than 10 m 2 .

16 . The high performance through-air apparatus of claim 1 , wherein the apparatus has a substantially cubic shape.

17 . The high performance through-air apparatus of claim 1 , further comprising an extraction conduit in fluid communication with the high flow circuitous air path, wherein the extraction conduit is configured to extract air inside of the apparatus to atmosphere.

18 . The high performance through-air apparatus of claim 17 , wherein the extraction conduit is positioned proximate the exhaust conduit.

19 . The high performance through-air apparatus of claim 17 , further comprising at least one of a fan and a damper within the high flow circuitous air path configured to control the rate of air flow through the apparatus.

20 . The high performance through-air apparatus of claim 1 , further comprising at least a first panel, the first panel having a first side which forms a portion of the supply conduit, and a second opposite side which forms a portion of the exhaust conduit.

21 . The high performance through-air apparatus of claim 1 , wherein the supply conduit extends across a majority of the length and the height of the through-air apparatus.

22 . A high performance through-air apparatus comprising:

a through-air roll configured for rotational movement about a first axis;

a high flow circuitous air path inside of the apparatus that includes a path extending through a supply conduit, through the through-air roll, and also through an exhaust conduit;

a plurality of turning vanes positioned within the high flow circuitous air path positioned to guide the flow of air through the apparatus;

wherein the through-air apparatus has a length, a width, a height, which together define a volume;

wherein the high flow circuitous air path inside of the apparatus has a length, wherein the ratio of the volume of the through-air apparatus to the length of the high flow circuitous air path is less than 20 m 2 ; and

a cart configured to receive the through-air roll, wherein the cart has a plurality of wheels, wherein the cart and through-air roll are configured to slide into the through-air apparatus.

23 . A high performance through-air apparatus comprising:

a through-air roll configured for rotational movement about a first axis;

a high flow circuitous air path inside of the apparatus that includes a path extending through a supply conduit, through the through-air roll, and also through an exhaust conduit;

a plurality of turning vanes positioned within the high flow circuitous air path positioned to guide the flow of air through the apparatus;

wherein the through-air apparatus has a length, a width, a height, which together define a volume;

wherein the high flow circuitous air path inside of the apparatus has a length, wherein the ratio of the volume of the through-air apparatus to the length of the high flow circuitous air path is less than 20 m 2 ; and

an extraction conduit in fluid communication with the high flow circuitous air path, wherein the extraction conduit is configured to extract air inside of the apparatus to atmosphere;

wherein the extraction conduit includes a bifurcated conduit which includes a first outlet configured to extract air inside of the apparatus to atmosphere, and a second outlet configured for inspection of inside of the apparatus.

24 . The high performance through-air apparatus of claim 23 , wherein the bifurcated conduit is substantially T-shaped.

25 . A high performance through-air apparatus comprising:

a through-air roll configured for rotational movement about a first axis;

a high flow circuitous air path inside of the apparatus that includes a path extending through a supply conduit, through the through-air roll, and also through an exhaust conduit;

a plurality of turning vanes positioned within the high flow circuitous air path positioned to guide the flow of air through the apparatus;

wherein the through-air apparatus has a length, a width, a height, which together define a volume;

wherein the high flow circuitous air path inside of the apparatus has a length, wherein the ratio of the volume of the through-air apparatus to the length of the high flow circuitous air path is less than 20 m 2 ;

an extraction conduit in fluid communication with the high flow circuitous air path, wherein the extraction conduit is configured to extract air inside of the apparatus to atmosphere; and

a diverter in the extraction conduit, wherein the diverter is extendable and retractable into the exhaust conduit to aid in the control the amount of air that is extracted to atmosphere.

26 . A high performance through-air apparatus comprising:

a through-air roll configured for rotational movement about a first axis;

a high flow circuitous air path inside of the apparatus that includes a path extending through a supply conduit, through the through-air roll, and also through an exhaust conduit;

a plurality of turning vanes positioned within the high flow circuitous air path positioned to guide the flow of air through the apparatus;

wherein the through-air apparatus has a length, a width, a height, which together define a volume;

wherein the high flow circuitous air path inside of the apparatus has a length, wherein the ratio of the volume of the through-air apparatus to the length of the high flow circuitous air path is less than 20 m 2 ;

an extraction conduit in fluid communication with the high flow circuitous air path, wherein the extraction conduit is configured to extract air inside of the apparatus to atmosphere; and

a plurality of turning vanes positioned within the extraction conduit to guide the flow of air through the extraction conduit.

27 . A high performance through-air apparatus comprising:

a through-air roll configured for rotational movement about a first axis;

a high flow circuitous air path inside of the apparatus that includes a path extending through a supply conduit, through the through-air roll, and also through an exhaust conduit;

a plurality of turning vanes positioned within the high flow circuitous air path positioned to guide the flow of air through the apparatus;

wherein the through-air apparatus has a length, a width, a height, which together define a volume;

wherein the high flow circuitous air path inside of the apparatus has a length, wherein the ratio of the volume of the through-air apparatus to the length of the high flow circuitous air path is less than 20 m 2 ; and

an external support system coupled to the supply conduit and the exhaust conduit, wherein the external support system is configured to secure the supply conduit and the exhaust conduit to a ground surface, and wherein all load bearing surfaces from the supply conduit and the exhaust conduit to the external support system are in a common horizontal plane.

28 . The high performance through-air apparatus of claim 27 , wherein the common horizontal plane of the external support system enables the use of a single fixed support.