US3707186A - Cooling tube ferrule - Google Patents

Cooling tube ferrule Download PDF

Info

Publication number
US3707186A
US3707186A US107020A US3707186DA US3707186A US 3707186 A US3707186 A US 3707186A US 107020 A US107020 A US 107020A US 3707186D A US3707186D A US 3707186DA US 3707186 A US3707186 A US 3707186A
Authority
US
United States
Prior art keywords
tube sheet
tubes
ferrule
holes
refractory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US107020A
Inventor
Eduardo P Zorrilla
William P Long
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foster Wheeler Inc
Original Assignee
Foster Wheeler Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foster Wheeler Inc filed Critical Foster Wheeler Inc
Application granted granted Critical
Publication of US3707186A publication Critical patent/US3707186A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/002—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using inserts or attachments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
    • B01D51/10—Conditioning the gas to be cleaned

Definitions

  • a ferrule is mounted on the inlet end of a cooling tube, the ferrule having a flared inlet end to reduce turbulence and having over most of its length an annular space between the ferrule and the tube to prevent the ferrule from becoming cool enough to induce carbon formation.
  • a ferrule is positioned in an end of a tube to project beyond the outside surface of a tube sheet and is flared outwardly to prevent the formation of eddy cur rents and thus inhibit the formation of carbon within the ferrule, while at the same time providing a space for carbon to accumulate on the tube sheet without bridging the ferrule and interfering with the flow of gases therethrough.
  • a cooling tube 10 which may be one of a number used to cool hot hydrocarbon gases, passes through a tube sheet 12 so that the end 14 of the tube is flush with the tube sheet surface 16.
  • the tube 10 is welded to the tube sheet 12 by an annular weld 18.
  • the tubesheet surface 16 is covered with a refractory material 20 to withstand the heat of the incoming hot gas.
  • a ferrule 24 is placed in the end of the tube 10 to project beyond the refractory 20.
  • the outer surface 26 of the refractory 20 will accumulate carbon because it will be constantly bombarded by hot gases, which will slow before passing through the ferrule 24 and tube 10.
  • the outer end of the ferrule 24 is flared outwardly at 28 so that there is no abrupt change in direction of incoming gases. This prevents slow moving gas within the ferrule, which could cause the accumulation of carbon.
  • the outward flare 28 also streamlines the ferrule 24 so that any carbon particles coming off of the refractory surface 26 will not be likely to strike the side wall of the ferrule at an angle acute enough to cause excessive abrasion.
  • the outward flare 28 will cause incoming gas to urge the flared portion of the ferrule against the refractory. This prevents separation of the ferrule and the refractory, which would provide a crevice in which carbon could accumulate to cause damage.
  • the inside end portion 30 of the ferrule is of an outside diameter equal to the inside diameter of the tube 10.
  • the insideend portion 30 is of a diameter which is larger than the central portion 32 of the ferrule 24 which extends between the end portion 30 and the outwardly flared portion 28. Since the central portion 32 is of a smaller diameter than the inside of the diameter of the tube 10, the enlarged portion 30 serves the additional purpose of preventing an appreciable abrupt increase in diameter of the flow stream which could cause coking due to an appreciable sudden decrease in flow velocity.
  • a heat exchanger for cooling a gas containing hot hydrocarbon comprising:
  • refractory holes in said refractory, said refractory holes each being coaxial with one of said holes in said tube sheet and flared outwardly away from said tube sheet;
  • each of said ferrules having a portion at its inlet end which is gradually flared outwardly and which projects beyond the inlet ends of said tubes and beyond said refractory, the outside sur- 7 face of each of said flared portions engaging flat against the side wall of one of said holes in said refractory, each of said ferrules having an outlet end portion between the other side of said tube sheet and said outlet ends of said tubes, said outlet end portion being of an outside diameter approximately equal to the inside diameter of said tubes and a central portion connecting said outlet end portion and said flared portion, said central portion having an outside diameter less than the inside diameter of said tube.
  • a ferrule for use in a heat exchanger for cooling a gas containing hot hydrocarbon said heat exchanger having a tube sheet covered on one side by a refractory with a plurality of holes in said refractory flared outward away from said tube sheet, said holes in said tube sheet being coaxial with a plurality of holes in said tube sheet, a plurality of tubes, the inlet end of each tube being positioned within one of said holes in said tube sheet with each tube extending beyond the other side of said tube sheet and through a cooling chamber to the outlet ends of said tubes, said ferrule comprising a portion of its inlet end which is gradually flared outward and which is adapted to project beyond said one side of said tube sheet and said refractory, the outside surface of each of said flared portions adapted to engage flat against the side walls of one of said holes in said refractory, and each of said ferrules having an outlet end portion of an outside diameter approximately equal to the inside.
  • said tubes and a central portion connecting said outlet end portion and said flared portion, said central portion having an outside diameter less than the inside diameter of said tubes, said ferrule being of sufficient length so that said outlet end portion engages against the inside wall of said tube between said other side of said tube sheet and said outlet ends of said tubes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Erosion due to coke in a heat exchanger which cools hot hydrocarbon gas is reduced. A ferrule is mounted on the inlet end of a cooling tube, the ferrule having a flared inlet end to reduce turbulence and having over most of its length an annular space between the ferrule and the tube to prevent the ferrule from becoming cool enough to induce carbon formation.

Description

United States Patent Zorrilla et al.
[541 COOLING TUBE FERRULE [72] Inventors: Eduardo P. Zorrllla, Houston, Tex.;
William P. Long, Chester, NJ.
[73] Assignee: Foster Wheeler Corporation, Livingston, NJ. I
[22] Filed: Jan. 18, 1971 [21] Appl. No.: 107,020
[52] US. Cl ..165/134, 165/178 [51] Int. Cl. ..F28f 19/00 [58] Field of Search ..l65/l78, 134; 285/213 [56] References Cited V UNITED STATES PATENTS 1,894,956 l/l933 Kerr ..l65/l34 3,592,261 7/1971 Black ..l65/178 [451 Dec. 26, 1972 3,270,807 9/1966 Steadman ..l65/l78 X 852,278 4/1907 Leggett ..285/213 X FOREIGN PATENTS OR APPLICATIONS I 94,646 5/1923 Austria ..285/213 Primary Examiner-Manuel A. Antonakas Attorney-John Maier, 11], Marvin A. Naigur and John E. Wilson [57] ABSTRACT Erosion due to coke in a heat exchanger which cools hot hydrocarbon gas is reduced. A ferrule is mounted on the inlet end of a cooling tube, the ferrule having a flared inlet end to reduce turbulence and having over most of its length an annular space between the ferrule and the tube to prevent the ferrule from becoming cool enough to induce carbon formation.
4 Claims, 1 Drawing Figure PATENTEU EH12 6 I972 INVE'N'TORS WILLIAM P LONG EDUARDO P ZORRILLA ATTORNEY BACKGROUND OF THE INVENTION In many industrial processes, it is necessary to flow hot hydrocarbon gases through conduits. Unfortunate ly, thiscan cause particles to accumulate. The deposition of carbon on the surface of the conduit, a phenomenon sometimes called *coking", occurs over a fairly wide temperature range and is aggravated when the hydrocarbon gas becomes turbulent, such as when eddy currents are induced in the area contiguous to the surface.
. The formation of carbon deposits often necessitates shutdowns for cleaning. Anexample is found in the cracking of ethane where the hydrocarbon is treated with steam at high temperature and pressure and the resulting hot gas is passedin indirect heat exchange with water to cool the gas and generate steam for the process. The coolingwill fractionate the hot gas into the products and usually takes place in an apparatus consisting of a tube bundle with a large number of cooling tubes through which the hot gases pass. The tubes extend between two parallel tube sheets which form the ends of a chamber into which the cooling water is directed. Gas impinging against the tube sheet will undergo abrupt changes in velocity and direction before passing through the tubes. This turbulence in the gas adjacent to the tube sheet causes the accumulation of I carbon on the surface of the tube sheet. Eventually,
enough carbon will accumulate that the mouths of the tubes are bridged to adversely affect the flow of gas and the performance of the heat exchanger. Another problem is erosion at the tube sheet and inside of the tubes caused by carbon particles which are carried by the moving gas and abrade thesesurfaces.
' It is a common practice to either use a tube sheet of special alloy or to insulate the tube sheet with a metallic shroud which is placed over a layer of refractory which lines the outer surface of the tube sheet. The use of a' tube sheet of special alloy is expensive, while the use of a metallic shroud requires a high degree of maintenance since coke forms behind the shroud and causes it to pull away from the refractory. In either case, erosion of the tube in the vicinity of the tube sheet is generally considerable.
SUMMARY OF THE INVENTION It is the object of the present invention to overcome the drawbacks found in the prior art, such as those discussed above. In accordance with the present invention, a ferrule is positioned in an end of a tube to project beyond the outside surface of a tube sheet and is flared outwardly to prevent the formation of eddy cur rents and thus inhibit the formation of carbon within the ferrule, while at the same time providing a space for carbon to accumulate on the tube sheet without bridging the ferrule and interfering with the flow of gases therethrough.
BRIEF DESCRIPTION OF THE DRAWING The drawing is a side view, partly in section, showing a structure made in accordance with the present invention.
DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT As shown in the figure, a cooling tube 10, which may be one of a number used to cool hot hydrocarbon gases, passes through a tube sheet 12 so that the end 14 of the tube is flush with the tube sheet surface 16. The tube 10 is welded to the tube sheet 12 by an annular weld 18. The tubesheet surface 16 is covered with a refractory material 20 to withstand the heat of the incoming hot gas.
A ferrule 24 is placed in the end of the tube 10 to project beyond the refractory 20. The outer surface 26 of the refractory 20 will accumulate carbon because it will be constantly bombarded by hot gases, which will slow before passing through the ferrule 24 and tube 10. However, since the ferrule 24 projects outwardly beyond the refractory surface 26, a space will be provided for the accumulation of carbon before the open mouth of the ferrule is bridged to necessitate shutting down the heat exchanger for cleaning. The outer end of the ferrule 24 is flared outwardly at 28 so that there is no abrupt change in direction of incoming gases. This prevents slow moving gas within the ferrule, which could cause the accumulation of carbon. The outward flare 28 also streamlines the ferrule 24 so that any carbon particles coming off of the refractory surface 26 will not be likely to strike the side wall of the ferrule at an angle acute enough to cause excessive abrasion.
Of course, it is to be appreciated that some abrasion will take place within the ferrule 24 but abrasion of the tube 10 is prevented, and when the ferrule 24 is no longer serviceable it can be removed and replaced with another. Another advantage of the present invention is that the outward flare 28 will cause incoming gas to urge the flared portion of the ferrule against the refractory. This prevents separation of the ferrule and the refractory, which would provide a crevice in which carbon could accumulate to cause damage. In order to insure heat transfer between the ferrule 24 and the tube 10, the inside end portion 30 of the ferrule is of an outside diameter equal to the inside diameter of the tube 10. In other words, the insideend portion 30 is of a diameter which is larger than the central portion 32 of the ferrule 24 which extends between the end portion 30 and the outwardly flared portion 28. Since the central portion 32 is of a smaller diameter than the inside of the diameter of the tube 10, the enlarged portion 30 serves the additional purpose of preventing an appreciable abrupt increase in diameter of the flow stream which could cause coking due to an appreciable sudden decrease in flow velocity.
The foregoing describes but one embodiment of the present invention. It will be apparent to one of ordinary skill in the art that other embodiments are possible without exceeding the scope of the present invention as defined in the following claims.
What is claimed is:
l. A heat exchanger for cooling a gas containing hot hydrocarbon comprising:
a tube sheet;
a refractory on one side of said tube sheet;
a plurality of holes in said tube sheet;
a plurality of holes in said refractory, said refractory holes each being coaxial with one of said holes in said tube sheet and flared outwardly away from said tube sheet;
a plurality of tubes, the inlet end of each being positioned within one of said holes, said tubes extending beyond the other side of said tube sheet and through a cooling chamber to the. outlet ends of said tubes;
a ferrule positioned within the inlet end of each of said tubes, each of said ferrules having a portion at its inlet end which is gradually flared outwardly and which projects beyond the inlet ends of said tubes and beyond said refractory, the outside sur- 7 face of each of said flared portions engaging flat against the side wall of one of said holes in said refractory, each of said ferrules having an outlet end portion between the other side of said tube sheet and said outlet ends of said tubes, said outlet end portion being of an outside diameter approximately equal to the inside diameter of said tubes and a central portion connecting said outlet end portion and said flared portion, said central portion having an outside diameter less than the inside diameter of said tube.
2. The heat exchanger defined in claim I wherein said flared portions of said ferrules have thicker side walls than said central portions and said outlet end portions of said ferrules.
3. A ferrule for use in a heat exchanger for cooling a gas containing hot hydrocarbon, said heat exchanger having a tube sheet covered on one side by a refractory with a plurality of holes in said refractory flared outward away from said tube sheet, said holes in said tube sheet being coaxial with a plurality of holes in said tube sheet, a plurality of tubes, the inlet end of each tube being positioned within one of said holes in said tube sheet with each tube extending beyond the other side of said tube sheet and through a cooling chamber to the outlet ends of said tubes, said ferrule comprising a portion of its inlet end which is gradually flared outward and which is adapted to project beyond said one side of said tube sheet and said refractory, the outside surface of each of said flared portions adapted to engage flat against the side walls of one of said holes in said refractory, and each of said ferrules having an outlet end portion of an outside diameter approximately equal to the inside. diameter of said tubes and a central portion connecting said outlet end portion and said flared portion, said central portion having an outside diameter less than the inside diameter of said tubes, said ferrule being of sufficient length so that said outlet end portion engages against the inside wall of said tube between said other side of said tube sheet and said outlet ends of said tubes.
4. The ferrule defined in claim 3 wherein said flared portion of said ferrule has a relatively thick side wall, and said central portion of said ferrule has a relatively thin side wall.
Moon 0147

Claims (4)

1. A heat exchanger for cooling a gas containing hot hydrocarbon comprising: a tube sheet; a refractory on one side of said tube sheet; a plurality of holes in said tube sheet; a plurality of holes in said refractory, said refractory holes each being coaxial with one of said holes in said tube sheet and flared outwardly away from said tube sheet; a plurality of tubes, the inlet end of each being positioned within one of said holes, said tubes extending beyond the other side of said tube sheet and through a cooling chamber to the outlet ends of said tubes; a ferrule positioned within the inlet end of each of said tubes, each of said ferrules having a portion at its inlet end which is gradually flared outwardly and which projects beyond the inlet ends of said tubes and beyond said refractory, the outside surface of each of said flared portions engaging flat against the side wall of one of said holes in said refractory, each of said ferrules having an outlet end portion between the other side of said tube sheet and said outlet ends of said tubes, said outlet end portion being of an outside diameter approximately equal to the inside diameter Of said tubes and a central portion connecting said outlet end portion and said flared portion, said central portion having an outside diameter less than the inside diameter of said tube.
2. The heat exchanger defined in claim 1 wherein said flared portions of said ferrules have thicker side walls than said central portions and said outlet end portions of said ferrules.
3. A ferrule for use in a heat exchanger for cooling a gas containing hot hydrocarbon, said heat exchanger having a tube sheet covered on one side by a refractory with a plurality of holes in said refractory flared outward away from said tube sheet, said holes in said tube sheet being coaxial with a plurality of holes in said tube sheet, a plurality of tubes, the inlet end of each tube being positioned within one of said holes in said tube sheet with each tube extending beyond the other side of said tube sheet and through a cooling chamber to the outlet ends of said tubes, said ferrule comprising a portion of its inlet end which is gradually flared outward and which is adapted to project beyond said one side of said tube sheet and said refractory, the outside surface of each of said flared portions adapted to engage flat against the side walls of one of said holes in said refractory, and each of said ferrules having an outlet end portion of an outside diameter approximately equal to the inside diameter of said tubes and a central portion connecting said outlet end portion and said flared portion, said central portion having an outside diameter less than the inside diameter of said tubes, said ferrule being of sufficient length so that said outlet end portion engages against the inside wall of said tube between said other side of said tube sheet and said outlet ends of said tubes.
4. The ferrule defined in claim 3 wherein said flared portion of said ferrule has a relatively thick side wall, and said central portion of said ferrule has a relatively thin side wall.
US107020A 1971-01-18 1971-01-18 Cooling tube ferrule Expired - Lifetime US3707186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10702071A 1971-01-18 1971-01-18

Publications (1)

Publication Number Publication Date
US3707186A true US3707186A (en) 1972-12-26

Family

ID=22314437

Family Applications (1)

Application Number Title Priority Date Filing Date
US107020A Expired - Lifetime US3707186A (en) 1971-01-18 1971-01-18 Cooling tube ferrule

Country Status (4)

Country Link
US (1) US3707186A (en)
CA (1) CA960174A (en)
GB (1) GB1367000A (en)
NL (1) NL7200709A (en)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284852A1 (en) * 1974-09-13 1976-04-09 Shell Int Research HEAT EXCHANGER AND METHOD FOR COOLING HOT GAS BY MEANS OF SUCH EXCHANGER
US4103738A (en) * 1976-08-16 1978-08-01 Smith Engineering Company Replaceable inlet means for heat exchanger
US4176612A (en) * 1978-03-06 1979-12-04 Kenneth Speer Ceramic ferrule
US4254819A (en) * 1979-10-12 1981-03-10 Atlantic Richfield Company Protecting entry portions of tubes of emergency cooling system
US4330034A (en) * 1979-06-20 1982-05-18 Helmut Lang Two-pass heat exchanger
US4396059A (en) * 1981-10-05 1983-08-02 Ensign Plastics, Limited Insert for a condenser tube
US4607689A (en) * 1982-12-27 1986-08-26 Tokyo Shibaura Denki Kabushiki Kaisha Reheating device of steam power plant
US4697634A (en) * 1986-03-14 1987-10-06 Stein Industrie Device for fixing a perforated sheet against the perforated tube plate of a heat exchanger
EP0246111A1 (en) * 1986-05-16 1987-11-19 Santa Fe Braun Inc. Flow streamlining device for transfer line heat exchangers
US4721067A (en) * 1984-05-29 1988-01-26 Commissariat A L'energie Atomique Device for injecting a liquid into a tube and steam generator comprising this device
US4735263A (en) * 1985-12-23 1988-04-05 Stein Industrie Flow control device for heat exchanger tube
US4877014A (en) * 1988-01-19 1989-10-31 American Standard Inc. Tube arrangement for heat exchanger
US5246063A (en) * 1992-04-29 1993-09-21 Deutsche Babcock-Borsig Ag Heat exchanger for cooling synthesis gas generated in a cool-gasification plant
US5474122A (en) * 1992-08-05 1995-12-12 Pierce; David B. Facade plate, assembly and heat exchanger
EP0706014A1 (en) * 1994-10-07 1996-04-10 ANGELO PO GRANDI CUCINE S.p.A. Heat protection shield for heat exchanger
US5647432A (en) * 1996-04-10 1997-07-15 Blasch Precision Ceramics, Inc. Ceramic ferrule and ceramic ferrule refractory wall for shielding tube sheet/boiler tube assembly of heat exchanger
US6960333B2 (en) 1999-06-30 2005-11-01 Rohm And Haas Company High performance heat exchangers
US20060096736A1 (en) * 2004-08-02 2006-05-11 Burkhalter Larry Jr Flow through tube plug
US20080202732A1 (en) * 2005-07-07 2008-08-28 Ruhr Oel Gmbh Shell-And-Tube Heat Exchanger Comprising a Wear-Resistant Tube Plate Lining
US7574981B1 (en) * 2006-10-05 2009-08-18 Citgo Petroleum Corporation Apparatus and method for improving the durability of a cooling tube in a fire tube boiler
WO2010139852A1 (en) * 2009-06-04 2010-12-09 Metso Power Oy A method for supplying combustion air to a flue gas air preheater, a preheating apparatus, and an air guide sleeve
EP2881691A1 (en) * 2013-12-09 2015-06-10 Balcke-Dürr GmbH Heat exchanger with tube sheet and inserted sleeve
US20170045309A1 (en) * 2015-08-11 2017-02-16 Hamilton Sundstrand Corporation High temperature flow manifold
EP3376150A1 (en) 2017-03-14 2018-09-19 ALFA LAVAL OLMI S.p.A. Protection device for a shell-and-tube equipment
US10178204B2 (en) 2014-10-27 2019-01-08 Tencent Technology (Shenzhen) Company Limited Information processing method and device
EP3499171A1 (en) 2017-12-15 2019-06-19 ALFA LAVAL OLMI S.p.A. Anti-erosion device for a shell-and-tube equipment
US20230321623A1 (en) * 2020-09-02 2023-10-12 Unisa Tubular reactors
WO2026022799A1 (en) 2024-12-09 2026-01-29 Manenti Giovanni Tube-bundle for process boiler
WO2026022798A1 (en) 2024-10-14 2026-01-29 Manenti Giovanni Improved tube-bundle

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3541887A1 (en) * 1985-11-27 1987-06-04 Krupp Koppers Gmbh HEAT EXCHANGER FOR COOLING SOLIDS CONTAINING GASES
GB9216645D0 (en) * 1992-08-05 1992-09-16 Pierce David B Tubular insert,method and fitted heat exchanger
DE10015343C2 (en) * 2000-03-28 2002-05-23 Borsig Gmbh Heat recovery boiler with heating surface tubes welded in a tube plate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US852278A (en) * 1906-05-23 1907-04-30 Alexander Leggett Flue-joint structure.
AT94646B (en) * 1922-04-15 1923-10-25 Eugen Springer Brand ring to protect the flanged ends of boiler pipes.
US1894956A (en) * 1929-01-16 1933-01-24 Babcock & Wilcox Co Air heater
US3270807A (en) * 1964-05-01 1966-09-06 Paul E Steadman Heat exchanger having distribution tube internal flow directors
US3592261A (en) * 1968-11-25 1971-07-13 Lummus Co Heat exchanger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US852278A (en) * 1906-05-23 1907-04-30 Alexander Leggett Flue-joint structure.
AT94646B (en) * 1922-04-15 1923-10-25 Eugen Springer Brand ring to protect the flanged ends of boiler pipes.
US1894956A (en) * 1929-01-16 1933-01-24 Babcock & Wilcox Co Air heater
US3270807A (en) * 1964-05-01 1966-09-06 Paul E Steadman Heat exchanger having distribution tube internal flow directors
US3592261A (en) * 1968-11-25 1971-07-13 Lummus Co Heat exchanger

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284852A1 (en) * 1974-09-13 1976-04-09 Shell Int Research HEAT EXCHANGER AND METHOD FOR COOLING HOT GAS BY MEANS OF SUCH EXCHANGER
US4103738A (en) * 1976-08-16 1978-08-01 Smith Engineering Company Replaceable inlet means for heat exchanger
US4176612A (en) * 1978-03-06 1979-12-04 Kenneth Speer Ceramic ferrule
US4330034A (en) * 1979-06-20 1982-05-18 Helmut Lang Two-pass heat exchanger
US4254819A (en) * 1979-10-12 1981-03-10 Atlantic Richfield Company Protecting entry portions of tubes of emergency cooling system
US4396059A (en) * 1981-10-05 1983-08-02 Ensign Plastics, Limited Insert for a condenser tube
US4607689A (en) * 1982-12-27 1986-08-26 Tokyo Shibaura Denki Kabushiki Kaisha Reheating device of steam power plant
US4721067A (en) * 1984-05-29 1988-01-26 Commissariat A L'energie Atomique Device for injecting a liquid into a tube and steam generator comprising this device
US4735263A (en) * 1985-12-23 1988-04-05 Stein Industrie Flow control device for heat exchanger tube
US4697634A (en) * 1986-03-14 1987-10-06 Stein Industrie Device for fixing a perforated sheet against the perforated tube plate of a heat exchanger
EP0246111A1 (en) * 1986-05-16 1987-11-19 Santa Fe Braun Inc. Flow streamlining device for transfer line heat exchangers
US4785877A (en) * 1986-05-16 1988-11-22 Santa Fe Braun Inc. Flow streamlining device for transfer line heat exchanges
US4877014A (en) * 1988-01-19 1989-10-31 American Standard Inc. Tube arrangement for heat exchanger
US5246063A (en) * 1992-04-29 1993-09-21 Deutsche Babcock-Borsig Ag Heat exchanger for cooling synthesis gas generated in a cool-gasification plant
EP0567674A1 (en) * 1992-04-29 1993-11-03 Deutsche Babcock-Borsig Aktiengesellschaft Heat exchange for cooling synthesis gas produced in a coal gasification plant
US5474122A (en) * 1992-08-05 1995-12-12 Pierce; David B. Facade plate, assembly and heat exchanger
EP0706014A1 (en) * 1994-10-07 1996-04-10 ANGELO PO GRANDI CUCINE S.p.A. Heat protection shield for heat exchanger
US5647432A (en) * 1996-04-10 1997-07-15 Blasch Precision Ceramics, Inc. Ceramic ferrule and ceramic ferrule refractory wall for shielding tube sheet/boiler tube assembly of heat exchanger
US6960333B2 (en) 1999-06-30 2005-11-01 Rohm And Haas Company High performance heat exchangers
EP1065467A3 (en) * 1999-06-30 2006-03-08 Rohm And Haas Company Heat exchanger
US20060096736A1 (en) * 2004-08-02 2006-05-11 Burkhalter Larry Jr Flow through tube plug
US7252138B2 (en) * 2004-08-02 2007-08-07 Rohm And Haas Company Flow through tube plug
US20080202732A1 (en) * 2005-07-07 2008-08-28 Ruhr Oel Gmbh Shell-And-Tube Heat Exchanger Comprising a Wear-Resistant Tube Plate Lining
US8210245B2 (en) * 2005-07-07 2012-07-03 Ruhr Oel Gmbh Shell-and-tube heat exchanger comprising a wear-resistant tube plate lining
US7574981B1 (en) * 2006-10-05 2009-08-18 Citgo Petroleum Corporation Apparatus and method for improving the durability of a cooling tube in a fire tube boiler
WO2010139852A1 (en) * 2009-06-04 2010-12-09 Metso Power Oy A method for supplying combustion air to a flue gas air preheater, a preheating apparatus, and an air guide sleeve
CN102460021A (en) * 2009-06-04 2012-05-16 美特索电力公司 A method for supplying combustion air to a flue gas air preheater, a preheating apparatus, and an air guide sleeve
CN102460021B (en) * 2009-06-04 2014-11-26 维美德电力有限公司 Method for supplying combustion air to flue gas air preheater, preheating apparatus and hood
EP2881691A1 (en) * 2013-12-09 2015-06-10 Balcke-Dürr GmbH Heat exchanger with tube sheet and inserted sleeve
EP2881692A1 (en) * 2013-12-09 2015-06-10 Balcke-Dürr GmbH Tube bundle heat exchanger in bare tube design, process gas cooler, gas turbine cooling air cooler, gas turbine or gas and steam turbine power station and method for cooling cooling air
US20150159956A1 (en) * 2013-12-09 2015-06-11 Balcke-Dürr GmbH Tube Bundle Heat Exchanger Having Straight-Tube Configuration, Process Gas Cooler, Cooler For Gas Turbine Cooling Air, Gas Turbine Or Gas And Steam Turbine Power Plant, And Method For The Cooling Of Cooling Air
US10006719B2 (en) * 2013-12-09 2018-06-26 Balcke-Durr Gmbh Tube bundle heat exchanger having straight-tube configuration, process gas cooler, cooler for gas turbine cooling air, gas turbine or gas and steam turbine power plant, and method for the cooling of cooling air
US10178204B2 (en) 2014-10-27 2019-01-08 Tencent Technology (Shenzhen) Company Limited Information processing method and device
US20170045309A1 (en) * 2015-08-11 2017-02-16 Hamilton Sundstrand Corporation High temperature flow manifold
EP3376150A1 (en) 2017-03-14 2018-09-19 ALFA LAVAL OLMI S.p.A. Protection device for a shell-and-tube equipment
WO2018166868A1 (en) 2017-03-14 2018-09-20 Alfa Laval Olmi S.P.A Protection device for a shell-and-tube equipment
CN110382992A (en) * 2017-03-14 2019-10-25 阿法拉伐奥米有限公司 Protective devices for shell and tube equipment
AU2018233665B2 (en) * 2017-03-14 2020-01-23 Alfa Laval Olmi S.P.A Protection device for a shell-and-tube equipment
CN110382992B (en) * 2017-03-14 2020-09-29 阿法拉伐奥米有限公司 Protective device for a shell-and-tube installation
US11143465B2 (en) 2017-03-14 2021-10-12 Alfa Laval Olmi S.P.A Protection device for a shell-and-tube equipment
EP3499171A1 (en) 2017-12-15 2019-06-19 ALFA LAVAL OLMI S.p.A. Anti-erosion device for a shell-and-tube equipment
WO2019115583A1 (en) 2017-12-15 2019-06-20 Alfa Laval Olmi S.P.A Anti-erosion device for a shell-and-tube equipment
US11466942B2 (en) * 2017-12-15 2022-10-11 Alfa Laval Olmi S.P.A Anti-erosion device for a shell-and-tube equipment
US20230321623A1 (en) * 2020-09-02 2023-10-12 Unisa Tubular reactors
WO2026022798A1 (en) 2024-10-14 2026-01-29 Manenti Giovanni Improved tube-bundle
WO2026022799A1 (en) 2024-12-09 2026-01-29 Manenti Giovanni Tube-bundle for process boiler

Also Published As

Publication number Publication date
CA960174A (en) 1974-12-31
GB1367000A (en) 1974-09-18
NL7200709A (en) 1972-07-20

Similar Documents

Publication Publication Date Title
US3374832A (en) Inlet cone device and method
US6626424B2 (en) Quench nozzle
CN101228410B (en) Shell-and-tube heat exchanger comprising a wear-resistant tube plate lining
US2183956A (en) Heat exchange apparatus
CN107606975A (en) A kind of pipe heat exchanger
US6845813B1 (en) Intra-body flow distributor for heat exchanger
US20210140714A1 (en) Double-tube heat exchanger and manufacturing method thereof
JPH11264676A (en) Fluid cooler and cooling method
KR20160071334A (en) Quench-cooling system
KR100347258B1 (en) Hot gas cooling device
US3482626A (en) Heat exchanger
US2781251A (en) Quench for furnace type reactors
JPS60184591A (en) Convection type cooler
US1982518A (en) Scale prevention
CN216385198U (en) Jacket anti-solid deposition structure of double-pipe heat exchanger
JPS61272590A (en) Raw gas-pure gas heat exchanger
CN113137596B (en) A high temperature reheater anti-wear device
CN112374722B (en) Sludge fluidized bed drier
EP0706415B1 (en) Multi-cell heating system
US8701748B2 (en) Outlet fitting for double pipe quench exchanger
WO2014138784A1 (en) Shell and tube heat exchanger arrangement
US2682391A (en) Heat exchanger with removable liner
AU2006201746B2 (en) Improved Multi-Cell Heating System
CN205090106U (en) Black water heat exchanger organizes pipe -line system of intaking
CN218328112U (en) Boiler superheater capable of preventing ash deposition