CN101061364A

CN101061364A - Compressor air cooler with replaceable flange ring

Info

Publication number: CN101061364A
Application number: CNA2005800254327A
Authority: CN
Inventors: G·B·欧文斯; R·W·贝里
Original assignee: Ingersoll Rand Industrial US Inc
Current assignee: Ingersoll Rand Industrial US Inc
Priority date: 2004-07-30
Filing date: 2005-07-27
Publication date: 2007-10-24
Anticipated expiration: 2025-07-27
Also published as: EP1774244A2; WO2006015037A3; WO2006015037A9; US20060021743A1; CN100538248C; WO2006015037A2

Abstract

A cooler assembly includes a substantially hollow casing having an inside surface having a diameter D. A flange ring is positioned in the casing and has a flange ring outside surface sealingly secured against the casing inside surface. The flange ring has a flange ring inside surface having a diameter r less than the diameter D. A cooler is positioned in the casing and has first and second headers and a plurality of cooling tubes extending therebetween. At least the first header has a first header outside diameter I that is approximately equal to or slightly less than the diameter r. The cooler is positioned such that the first header is axially aligned with and sealed against the flange ring.

Description

Compressor air cooler with replaceable flange ring

With quoting mutually of other application

It is priority that the application requires the interim series application 60/592,639 of application on July 30th, 2004 according to united states patent law the 119th section (U.S.C.sec119), and this application is referred to herein and comprises.

Technical field

The present invention relates to a kind of aerial cooler device that is used for compressor.More specifically, the present invention relates to a kind of aerial cooler device that comprises replaceable flange ring.

Background technology

Many applications, for example centrifugal compressor utilizes the aerial cooler cool stream that is arranged in the shell to cross the air of this cooler.The example of a this prior art, air-cooling apparatus 2 is shown in Fig. 1 and 2.Air-cooling apparatus 2 generally comprise a package 4, movably cooler 30 and movably cover 20.Package 4 normally has the hollow tube of the arrival end 6 and the port of export 8.In centrifugal compressor application, arrival end 6 is used to connect the compressor impeller (not shown) of adjacency, and like this, the air that has compressed receives in aerial cooler device portal 9.The shaft shoulder 10 typically is arranged on arrival end 6 to limit an axial stop that is used for removable cooler 30.The port of export 8 of package 4 has enough big opening 11 and inserts wherein to allow cooler 30.In case insert cooler 30, lid 20 then is fixed on the package 4 so that cooler is remained on the appropriate location.

Cooler 30 generally comprises inlet header 32 and the outlet header 34 that has a plurality of cooling tubes 36 between two collectors (header) 32,34.During operation, cooling water or other cooling fluid around cooling tube 36, flow through package 4 by housing entrance and exit 5 and 7.The air that enters package inlet 9 flows through pipe 36, heat is passed to the cooling fluid that circulates around the pipe 36.

Collector

32,34 provides at interval for cooling tube 36 and for cooler 30 provides structure support, also must provide sealing gland to cooling fluid simultaneously.Consider this point, each

collector

32,34 is configured on

sealing area

16 and 18 respectively inner surface 14 sealings with package 4.

When cooler 30 is used for compressor or miscellaneous equipment, then may have problems.Package inner surface 14 is because the corrosion of water the cavity can occur usually.Because the smooth matching surface of collector and package is generally depended in appropriate sealing, therefore,

cooler headers

32,34 has been weakened rightly with water and the isolated ability of air in the cavity.

In addition, compressor or miscellaneous equipment maintenance period, need every now and then cooler 30 to be removed from housing 4.If cooler 30 uses the water that is full of particulate (dirt), these dirts are usually accumulated between the inner surface 14 of cooler 30 and package.When cooler 30 was removed by the opening in the port of export 8 11, inlet header 32 was attempted dirt is scraped from cooler 30 as scraping blade.Therefore when mobile cooler 30, this dirt usually causes that cooler 30 is stuck, and makes the very difficulty and/or the damage cooler 30 of moving of cooler 30.

Summary of the invention

The invention provides a kind of cooling arrangement, comprise having the package that is essentially hollow that diameter is the package inner surface of D.Flange ring is arranged in the package, and has the flange ring outer surface that is fixed on hermetically on the package inner surface.It is the flange ring inner surface of r that flange ring has less than the diameter of diameter D.Cooler is arranged in the package, and a plurality of cooling tubes that have first and second collectors and extend between the two.At least the first collector has the first collector external diameter I that approximates or be slightly smaller than diameter r.Because the cause of diameter r makes diameter I less than diameter D, so leave the gap between first collector and the package inner surface.Cooler makes first collector and flange ring axially align and prop up hermetically flange ring during the location.

Description of drawings

Fig. 1 is the axonometric drawing of the aerial cooler device of prior art.

Fig. 2 is the sectional view of the air-cooling apparatus of prior art among Fig. 1.

Fig. 3 is the sectional view of the cooling arrangement of the first embodiment of the present invention.

Fig. 4 is the sectional view of the flange ring of air-cooling apparatus among Fig. 3.

Fig. 5 is the part cut-away view of the flange ring of circle 5 indications among Fig. 4.

Fig. 6 is the part cut-away view of the aerial cooler device of circle 6 indications among Fig. 3.

The specific embodiment

The present invention is described with reference to the accompanying drawings, and wherein identical numeral is represented components identical all the time.In following specification, use some term, for example, " top ", " end ", " right side ", " left side ", " preceding ", " front portion ", " forward ", " back ", " rear portion ", " backward " only are used for relatively clearly describing, and do not mean that and be defined.

With reference to Fig. 3, show the aerial cooler device 40 of the first embodiment of the present invention.Aerial cooler device 40 generally comprises package 4, movably covers 20, movably cooler 40 and flange ring 50.Package 4 is to have the general hollow tube that arrival end 6, the port of export 8 and diameter are the inner surface 14 of D.The shaft shoulder 10 is limited in the package 4 with arrival end 6 adjacency, with the first area at least of the diameter d that limits reduction.Lid 20 is connected to close opening 11 with package 4 movably.

Cooler 41 has inlet header 42 and the outlet header 44 that a plurality of cooling tubes 46 (for clarity sake only illustrating two) extend therein.The same with the cooling arrangement of describing 2 in fact by flowing of cooling tube 46 about prior art.In the present embodiment, inlet header 42 has the external diameter I less than the inside diameter D of package 4, and outlet header 44 has the external diameter O of the inside diameter D that approximates package 4.Like this, outlet header 44 is configured in inner surface 14 sealings of sealing area 18 with respect to package 4.Can utilize O shape ring or analog to assist sealing between outlet header 44 and package inner surface 14.

Inlet header

42 and 14 blow-by of package inner surface, but and leave the space between the package inner surface 14.Like this, when cooler 41 is removed from package 4 by opening 11, the inlet header 42 package inner surface 14 of no longer swiping.Even under the situation that dirt gathers, inlet header 42 still can quite easily shift out from package 4.

For the ease of sealing inlet header 42 in inlet seal zone 16, flange ring 50 is combined in the package 4 with the shaft shoulder 10 adjacency hermetically.With reference to Figure 4 and 5, preferred flange ring 50 will be described.Flange ring 50 has the cylinder 52 of hollow, and its outer surface 54 has the diameter R of the inside diameter D that approximates or be slightly smaller than package 4.In the present embodiment, package 4 and flange ring body 52 are described to cylindrical, yet they can have other complementary shape.For example, package 4 can have square configuration, and flange ring 50 has complementary square configuration.Preferably, flange ring 50 adopts the stainless steel manufacturing, but also can adopt other material manufacturing, comprises other metal and nonmetal.

Preferably, flange ring body 52 has beveled surface 56 at the inlet face upper edge of flange ring 50 outer surface 54, is inserted in the package 4 with auxiliary flange ring 50.As following will more specifically describe the ground, outer surface 54 can comprise that also one or more cannelures 58 are to assist in package in conjunction with flange ring 50.Flange ring 50 has approximating or is a bit larger tham the inner surface 62 of internal diameter r of the external diameter I of inlet header 42.Radially the shaft shoulder 60 extends to the inner radial of inner surface 62, to be defined for the axial stop of inlet header 42.In the installation site (referring to Fig. 6), preferably, radially the shaft shoulder 60 is by 10 supportings of the package shaft shoulder.Preferably, inner surface 62 also has the radially outer leading-in end chamfering 64 with the outlet side adjacency of flange ring 50.The inlet header 42 of leading-in end chamfering 64 auxiliary coolers is inserted in the flange ring 50.

The sealing of inlet header 42 specifically describes with reference to Fig. 3 and 6.Flange ring 50 uses removable elevated-temperature seal agent 70 and shell inner surface 14 sealings in sealing area 16.Sealant is the Superflex that is made by Loctite for example ^TMThe BlueRTV sealant.Preferably, sealant 70 is initial deformables, through the material of after-hardening preset time.Like this, when using sealant 70, sealant 70 will be filled in any cavity that may occur in the sealing area 16 of housing 4 to guarantee appropriate sealing.Preferably, flange ring 50 has the width W of the sealed width w of overgauge collector (referring to Fig. 3).Like this, flange ring 50 covers and fills the cavity in bigger zone.Material after the sclerosis can still have certain elasticity, but flange ring 50 is combined in the package 4 securely.As shown in Figure 6, sealant 70 is filled cannelure 58 to help mounting flange ring 50, prevents axially-movable.

In case flange ring 50 is fixed in the package 4, cooler 41 just is inserted in the package 4 by opening 11.Leading-in end chamfering 64 aid in guide inlet headers 42 enter in the flange ring 50.Preferably, inlet header 42 has the entrance side shaft shoulder 47 that props up the flange shaft shoulder 60 hermetically.In order to help replaceable flange ring 50 and than the sealing between the inlet header 42 of minor diameter, inlet header 42 has cannelure 43 to hold O shape ring 45 or analog along its outer surface.O shape ring 45 seals between inlet header 42 and flange ring inner surface 62.In flange ring 50 corrosion with damage under the situation of this sealing, flange ring 50 can easily be removed and replace.In addition, as above explanation allows that less than the inlet header diameter I of package inside diameter D cooler 41 is easy to move, in package 4 without any scraping or extruding.

Simultaneously, the outlet header 44 of preferred embodiment is described as has the external diameter O that is substantially equal to the package inside diameter D, and directly seals with package inner surface 14.It is possible at sealing area 18 flange ring (not shown) and manufacturing and inlet header 42 similar outlet headers 44 being set.In this case, flange ring will preferably not have the radially shaft shoulder, but still work to fill any cavity that may produce in the sealing area 18.

Claims

1. cooling arrangement comprises:

Basically be the package of hollow, it has the inner surface that diameter is D;

Be arranged on the flange ring in the package, it has the outer surface that is fixed on hermetically on the package inner surface, and the diameter that this flange ring has less than diameter D is the inner surface of r; And

Be arranged on the cooler in the package, it has a plurality of cooling tubes that first collector, second collector and between extend, wherein first collector has the first collector external diameter I that approximates or be slightly smaller than diameter r, make first collector and flange ring axially align and prop up hermetically flange ring during this cooler location, this cooler can be independent of flange ring and insert from package and remove.

2. cooling arrangement as claimed in claim 1 is characterized in that, flange ring comprises the ring-type shaft shoulder that extends internally from the flange ring inner surface radial direction, to be defined for the axial stop of first collector.

3. cooling arrangement as claimed in claim 1 is characterized in that package also comprises the shaft shoulder that extends internally from the package inner surface radial direction, and wherein the shaft shoulder is defined for the axial stop of flange ring.

4. cooling arrangement as claimed in claim 1 is characterized in that, the flange ring width is W, and the first collector width is less than W.

5. cooling arrangement as claimed in claim 1 is characterized in that, the flange ring outer surface has chamfered part and inserts package with the auxiliary flange ring.

6. cooling arrangement as claimed in claim 1 is characterized in that, the flange ring inner surface has chamfered part and inserts flange ring with auxiliary first collector.

7. cooling arrangement as claimed in claim 1 is characterized in that, the flange ring outer surface has at least one groove that is essentially annular, with auxiliary flange ring is attached on the package.

8. cooling arrangement as claimed in claim 1 is characterized in that, also comprises the O shape ring between the flange ring and first collector.

9. cooling arrangement as claimed in claim 8 is characterized in that, first collector comprises the outer surface with the groove that holds O shape ring.

10. cooling arrangement as claimed in claim 1 is characterized in that, flange ring seals with elevated-temperature seal agent and package.

11. a cooling arrangement comprises:

Basically be the package of hollow, it has the inner surface that diameter is D, and comprises the package shaft shoulder that extends internally from the package inner surface radial direction;

Be arranged on flange ring in this package against the package shaft shoulder, it has the outer surface that is fixed on this package inner surface hermetically, and the diameter that this flange ring has less than diameter D is the inner surface of r, and has the ring-type shaft shoulder that extends internally from the flange ring inner surface radial direction; And

Be arranged on the cooler in this package, a plurality of cooling tubes that it has first collector and second collector and extends between two collectors, wherein, first collector has the first collector external diameter I that approximates or be slightly smaller than diameter r, make first collector and flange ring axially align and prop up hermetically flange ring during this cooler location, the ring-type shaft shoulder is defined for the axial stop of first collector, and this cooler can be independent of flange ring and insert from package or remove.

12. cooling arrangement as claimed in claim 11 is characterized in that, the flange ring width is W, and the width of first collector is less than width W.

13. cooling arrangement as claimed in claim 11 is characterized in that, the flange ring outer surface has chamfered part and inserts in the package with the auxiliary flange ring.

14. cooling arrangement as claimed in claim 11 is characterized in that, the flange ring inner surface has chamfered part and inserts in the flange ring with auxiliary first collector.

15. cooling arrangement as claimed in claim 11 is characterized in that, the flange ring outer surface has at least one groove that is essentially annular and with auxiliary flange ring is combined with package.

16. cooling arrangement as claimed in claim 11 is characterized in that, also is included in the O shape ring between the flange ring and first collector.

17. cooling arrangement as claimed in claim 16 is characterized in that, first collector comprises the outer surface with the groove that holds O shape ring.

18. the described cooling arrangement of claim 1 is characterized in that, flange ring and package seal with the elevated-temperature seal agent.

19. a method of assembling cooling arrangement, this method comprises:

The package that is essentially hollow is provided, and its inner surface defines the package shaft shoulder;

Smear the elevated-temperature seal agent and make its local at least cover housing pipe internal surface and package shaft shoulder;

Flange ring is inserted in this package, and against the package shaft shoulder, wherein this flange ring comprises outer surface, inner surface and the ring-type shaft shoulder that extends internally from the flange ring inner surface radial direction;

Cooler is inserted in this package, wherein this cooler comprises a plurality of cooling tubes that first collector, second collector and between extend, make first collector and flange ring axially align and be resisted against hermetically on the flange ring, the ring-type shaft shoulder is defined for the axial stop of first collector; And

Make hardening seal.