CN105135914A - Detachable tube bundle type fixed tube-sheet heat exchanger - Google Patents
Detachable tube bundle type fixed tube-sheet heat exchanger Download PDFInfo
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- CN105135914A CN105135914A CN201510514341.5A CN201510514341A CN105135914A CN 105135914 A CN105135914 A CN 105135914A CN 201510514341 A CN201510514341 A CN 201510514341A CN 105135914 A CN105135914 A CN 105135914A
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- tube
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- lug boss
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- stop lug
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Abstract
The invention belongs to the technical field of heat exchangers, and provides a detachable tube bundle type fixed tube-sheet heat exchanger. The detachable tube bundle type fixed tube-sheet heat exchanger comprises a front-end tube box (1), a front tube sheet (2), a shell (3), heat exchange tubes (4), baffle plates (5), a rear tube sheet (6) and a rear-end tube box (7). The front-end tube box (1) is of a structure with a tube box flange I (10) at the rear end. The front tube sheet (2) is a round plate with the diameter lager than the inner diameter of the shell (3) and is located between a shell flange I (11) and the tube box flange I (10). A conical face gradually increasing in diameter from left to right is arranged on the rear portion of the inner diameter face of a shell flange II (13) at the rear end of the shell. The rear-end tube box is of a structure with a tube box flange II (14) at the front end. The rear tube sheet (6) is a round plate with the diameter smaller than the inner diameter of the shell and is located between the shell flange II (13) and the tube box flange II (14). The technological requirements for tube bundle cleaning, maintenance and replacement are met.
Description
Technical field
The invention belongs to technical field of heat exchangers, be specifically related to a kind of detachable bundled tube fixed tube-sheet exchanger.
Background technology
Heat exchanger conventional in current industry has fixed tube-sheet exchanger (Fig. 1), U-shaped pipe heat exchanger and movable tube sheets heat exchanger three kinds of forms; Fixed tube-sheet exchanger is relative to U-shaped pipe heat exchanger, and tube bank, without U-bend pipeline section, reduces the possibility that heat exchanger tube stress corrosion causes revealing; It is relative to movable tube sheets heat exchanger, and tube bank holds complicated structure without raising the nose above water to breathe; Thus fixed tube-sheet exchanger is because its dependable performance, structure are simple, be convenient to the features such as manufacture, becomes a kind of heat exchanger be most widely used.But also there is certain deficiency relative to U-shaped pipe heat exchanger, movable tube sheets heat exchanger in fixed tube-sheet exchanger, namely restraining two ends is fixed on front tube sheet, back tube sheet, tube bundle sections cannot be extracted out from external shell, as in the special occasion of some medium, need even to change tube bank periodic cleaning and maintenance, fixed tube-sheet exchanger just can not meet these type of technique needs; Now only have and tube bank and housing are all changed, so just greatly reduce the economy of fixed tube-sheet exchanger.
Summary of the invention
For solving the problems of the technologies described above, the object of the invention is to propose a kind of detachable bundled tube fixed tube-sheet exchanger.
The present invention adopts following technical scheme for completing above-mentioned purpose:
A kind of detachable bundled tube fixed tube-sheet exchanger, described fixed tube-sheet exchanger includes front-end pipe box, front tube sheet, housing, heat exchanger tube, deflection plate, back tube sheet and rear end header; Described housing is the structure that rear and front end has shell flange respectively; The outer face being positioned at the shell flange I of housing forward end has positive stop lug boss I, and described positive stop lug boss I is annular, and the external diameter kissing of the internal diameter of described positive stop lug boss I and front tube sheet is joined; Described front-end pipe box is the structure that rear end has channel flange I; The rear end face of described channel flange I has positive stop lug boss II, and the structure of described positive stop lug boss II is identical with the structure of positive stop lug boss I; Described front tube sheet is the circular slab that diameter is greater than housing inner diameter, between shell flange I and channel flange I, and by positive stop lug boss I, that positive stop lug boss II carries out radial direction to it is spacing;
The shell flange II being positioned at housing rear end is connected with described barrel soldering; The rear portion of described shell flange II aperture surface is the conical surface in flaring footpath from left to right; Described rear end header is the structure that front end has channel flange II; The front end face of described channel flange II has positive stop lug boss III; Described positive stop lug boss III is annular, and the external diameter kissing of the internal diameter of described positive stop lug boss III and back tube sheet is joined; Described back tube sheet is the circular slab that diameter is less than housing inner diameter, the periphery of described back tube sheet has the annular short slot installing snap ring; Described back tube sheet is between shell flange II and channel flange II, and it is spacing to carry out radial direction by positive stop lug boss III to it; Described shell flange II is connected as one by bolt with channel flange II; By resilient sealing ring sealing between described back tube sheet and described shell flange II; Described elastic sealing ring is the cone-shaped ring of joining with the conical surface kissing of shell flange II; Sealed by seal washer II between described back tube sheet and channel flange II; The circulus of described snap ring to be cross sectional shape be " L " type, is arranged in the annular short slot of back tube sheet periphery, in order to hold out against described elastic sealing ring.
Described housing is provided with the expansion joint in order to carry out axial displacement compensation to housing; The two ends of described expansion joint are connected with housing respectively.
The detachable bundled tube fixed tube-sheet exchanger of one that the present invention proposes, front tube sheet, back tube sheet all adopt the structure clamped by tube sheet flange and shell flange, fixed tube-sheet exchanger is made to have the function of restraining and can take out, the process requirements to tube-bundle cleaning, maintenance and replacing can be met, housing parts can not be scrapped because tube bank changes, can reuse and reuse, there is good economic benefit; Described housing is arranged little rigidity, Large travel range thin-walled expansion joint to guarantee that whole cylindrical shell has less axial rigidity and axial displacement compensation ability, enough axial displacement can be produced and compensate manufacture deviation, ensure that cylindrical shell front and back ends flange sealing surface effectively can coordinate with forward and backward tube plate sealing face.
Accompanying drawing explanation
Fig. 1 is the structural representation of conventional fixed tube-sheet exchanger in prior art.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the enlarged drawing of I part in Fig. 2.
Fig. 4 is the enlarged drawing of in Fig. 2 II.
In figure: 1, front-end pipe box, 2, front tube sheet, 3, housing, 4, heat exchanger tube, 5, deflection plate, 6, back tube sheet, 7, rear end header, 8, saddle, 9, thin-walled expansion joint, 10, channel flange I, 11, shell flange I, 12, gasket seal I, 13, shell flange II, 14, channel flange II, 15, elastic sealing ring, 16, snap ring, 17, gasket seal II, 18, positive stop lug boss I, 19, positive stop lug boss II, 20, positive stop lug boss III, 21, pull bar.
Detailed description of the invention
With specific embodiment, the present invention is illustrated by reference to the accompanying drawings:
As shown in Figure 2, and composition graphs 3, a kind of detachable bundled tube fixed tube-sheet exchanger, described fixed tube-sheet exchanger includes front-end pipe box 1, front tube sheet 2, housing 3, heat exchanger tube 4, deflection plate 5, back tube sheet 6 and rear end header 7; Described housing 3 is the structure that rear and front end has shell flange respectively; The outer face being positioned at the shell flange I 11 of housing forward end has positive stop lug boss I 18, and described positive stop lug boss I 18 is annular, and the external diameter kissing of the internal diameter of described positive stop lug boss I 18 and front tube sheet is joined; Described front-end pipe box 1 has the structure of channel flange I 10 for rear end; The rear end face of described channel flange I 10 has positive stop lug boss II 19, and the structure of described positive stop lug boss II 19 is identical with the structure of positive stop lug boss I 18; Described front tube sheet 2 is greater than the circular slab of housing 3 internal diameter for diameter, between shell flange I 11 and channel flange I 10, and by positive stop lug boss I 18, that positive stop lug boss II 19 carries out radial direction to it is spacing; Described shell flange I 11 and channel flange I 10 are connected as one by bolt, and at shell flange I 11 and front tube sheet 2, arrange gasket seal I 12 between front tube sheet 2 and channel flange I 10, realize the axial location of sealing and tube bank after tools for bolts ' pretension;
As shown in Figure 2, and composition graphs 4, the shell flange II 13 being positioned at housing rear end is connected with described barrel soldering; The rear portion of described shell flange II 13 aperture surface is the conical surface in flaring footpath from left to right, and conical surface length L determines according to the seal request of reality; Described rear end header is the structure that front end has channel flange II 14; The front end face of described channel flange II 14 has positive stop lug boss III 20, and described positive stop lug boss III 20 is annular, and the external diameter kissing of the internal diameter of described positive stop lug boss III 20 and back tube sheet 6 is joined; Described back tube sheet 6 is less than the circular slab of housing inner diameter for diameter, and the periphery of described back tube sheet 6 has the annular short slot installing snap ring; Described back tube sheet 6 is between shell flange II 13 and channel flange II 14, and it is spacing to carry out radial direction by positive stop lug boss III 20 to it; Described shell flange II 13 is connected as one by bolt with channel flange II 14; Sealed by elastic sealing ring 15 between described back tube sheet 6 and described shell flange II 13; Described elastic sealing ring 15 is the cone-shaped ring of joining with the sealing cone kissing of shell flange II; Sealed by seal washer II 17 between described back tube sheet 6 and channel flange II 14; Described snap ring 16 for cross sectional shape be the circulus of " L " type, its side is for being positioned at back tube sheet periphery annular short slot, opposite side contacts with described elastic sealing ring 15 when described shell flange II connects as one with channel flange II, in order to hold out against described elastic sealing ring; After tools for bolts ' pretension, back tube sheet promotes snap ring, snap ring compresses elastic sealing ring and is installed in the taper draw-in groove that shell flange and tube sheet formed, because elastic sealing ring adopts soft metal to make, under the thrust of snap ring, produce micro-elastic deformation and shell flange, tube plate sealing face fit tightly.
Described housing 3 is provided with the expansion joint 9 in order to carry out axial displacement compensation to housing; The two ends of described expansion joint 9 are connected with housing respectively; When needs change tube bank and gasket seal, first remove the rear header of equipment, because wedge shape sealing ring is installed in the middle of flange and tube sheet, sealing ring may be caused not easily to take out; Then the pull-rod nut of expansion joint is locked, expansion joint is made to produce axial compression displacement, housing axial length reduces, and wedge shape sealing ring can be separated with tube sheet, flange sealing surface, now extracts that namely tube bank realizes restraining, the replacement of front header gasket seal and rear header cone-shaped sealing ring out.
Claims (2)
1. a detachable bundled tube fixed tube-sheet exchanger, described fixed tube-sheet exchanger includes front-end pipe box (1), front tube sheet (2), housing (3), heat exchanger tube (4), deflection plate (5), back tube sheet (6) and rear end header (7); It is characterized in that: described housing (3) has the structure of shell flange respectively for rear and front end; The outer face being positioned at the shell flange I (11) of housing forward end has positive stop lug boss I (18), and described positive stop lug boss I (18) is annular, and the internal diameter of described positive stop lug boss I (18) and the external diameter kissing of front tube sheet are joined; Described front-end pipe box (1) has the structure of channel flange I (10) for rear end; The rear end face of described channel flange I (10) has positive stop lug boss II (19), and the structure of described positive stop lug boss II (19) is identical with the structure of positive stop lug boss I (18); Described front tube sheet (2) is greater than the circular slab of housing (3) internal diameter for diameter, is positioned between shell flange I (11) and channel flange I (10), and by positive stop lug boss I (18), that positive stop lug boss II (19) carries out radial direction to it is spacing;
The shell flange II (13) being positioned at housing rear end is connected with described barrel soldering; The rear portion of described shell flange II (13) aperture surface is the conical surface in flaring footpath from left to right; Described rear end header is the structure that front end has channel flange II (14); The front end face of described channel flange II (14) has positive stop lug boss III (20), and described positive stop lug boss III (20) is annular, and the external diameter kissing of the internal diameter of described positive stop lug boss III (20) and back tube sheet (6) is joined; Described back tube sheet (6) is less than the circular slab of housing inner diameter for diameter, and the periphery of described back tube sheet (6) has the annular short slot installing snap ring; Described back tube sheet (6) is positioned between shell flange II (13) and channel flange II (14), and it is spacing to carry out radial direction by positive stop lug boss III (20) to it; Described shell flange II (13) is connected as one by bolt with channel flange II (14); Sealed by elastic sealing ring (15) between described back tube sheet (6) and described shell flange II (13); Described elastic sealing ring (15) is the cone-shaped ring of joining with the conical surface kissing of shell flange II; Sealed by seal washer II (17) between described back tube sheet (6) and channel flange II (14); Described snap ring (3) is the circulus of " L " type for cross sectional shape, is arranged in the annular short slot of back tube sheet periphery, in order to hold out against described elastic sealing ring.
2. a kind of detachable bundled tube fixed tube-sheet exchanger as claimed in claim 1, is characterized in that: described housing (3) is provided with the expansion joint (9) in order to carry out axial displacement compensation to housing; The two ends of described expansion joint (9) are connected with housing respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510514341.5A CN105135914B (en) | 2015-08-21 | 2015-08-21 | Detachable tube bundle type fixed tube-sheet heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510514341.5A CN105135914B (en) | 2015-08-21 | 2015-08-21 | Detachable tube bundle type fixed tube-sheet heat exchanger |
Publications (2)
| Publication Number | Publication Date |
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| CN105135914A true CN105135914A (en) | 2015-12-09 |
| CN105135914B CN105135914B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510514341.5A Active CN105135914B (en) | 2015-08-21 | 2015-08-21 | Detachable tube bundle type fixed tube-sheet heat exchanger |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770432A (en) * | 2016-11-16 | 2017-05-31 | 南京工业大学 | A kind of removable pipe array heat transfer performance test device |
| CN108225061A (en) * | 2018-01-09 | 2018-06-29 | 北京民利储能技术有限公司 | A kind of single flow heat exchanger |
| CN108369043A (en) * | 2015-12-21 | 2018-08-03 | 江森自控科技公司 | Heat exchanger with water tank |
| CN108680043A (en) * | 2018-06-15 | 2018-10-19 | 浙江开尔新材料股份有限公司 | Corrosion resistant enamel pipe flue gas condensing heat exchanger |
| CN109387101A (en) * | 2017-08-02 | 2019-02-26 | 中国石油化工股份有限公司 | One kind is around heat exchange of heat pipe |
| CN112033188A (en) * | 2020-09-09 | 2020-12-04 | 南通昭和机械有限公司 | Tubular heat exchanger |
| CN112161498A (en) * | 2020-10-16 | 2021-01-01 | 孙丽颖 | Chemical industry is with formula shell and tube heat exchanger tube sheet mounting structure that connects soon |
| US11441826B2 (en) | 2015-12-21 | 2022-09-13 | Johnson Controls Tyco IP Holdings LLP | Condenser with external subcooler |
Citations (5)
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| US3973621A (en) * | 1974-11-27 | 1976-08-10 | Foster Wheeler Energy Corporation | Heat exchanger |
| JPS563898A (en) * | 1979-06-18 | 1981-01-16 | Westinghouse Electric Corp | Heat exchanger of shell and tubes |
| CN201503332U (en) * | 2009-07-29 | 2010-06-09 | 洛阳双瑞特种装备有限公司 | Packing box for hydraulic test on floating tube sheet end of floating head type heat exchanger |
| CN202013122U (en) * | 2010-12-28 | 2011-10-19 | 付占林 | Oil transfer heat conduction equipment in oil field |
| CN205014867U (en) * | 2015-08-21 | 2016-02-03 | 洛阳双瑞特种装备有限公司 | Can dismantle tube bundle fixed tube sheet heat exchanger |
-
2015
- 2015-08-21 CN CN201510514341.5A patent/CN105135914B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973621A (en) * | 1974-11-27 | 1976-08-10 | Foster Wheeler Energy Corporation | Heat exchanger |
| JPS563898A (en) * | 1979-06-18 | 1981-01-16 | Westinghouse Electric Corp | Heat exchanger of shell and tubes |
| CN201503332U (en) * | 2009-07-29 | 2010-06-09 | 洛阳双瑞特种装备有限公司 | Packing box for hydraulic test on floating tube sheet end of floating head type heat exchanger |
| CN202013122U (en) * | 2010-12-28 | 2011-10-19 | 付占林 | Oil transfer heat conduction equipment in oil field |
| CN205014867U (en) * | 2015-08-21 | 2016-02-03 | 洛阳双瑞特种装备有限公司 | Can dismantle tube bundle fixed tube sheet heat exchanger |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108369043A (en) * | 2015-12-21 | 2018-08-03 | 江森自控科技公司 | Heat exchanger with water tank |
| US10830510B2 (en) | 2015-12-21 | 2020-11-10 | Johnson Controls Technology Company | Heat exchanger for a vapor compression system |
| CN108369043B (en) * | 2015-12-21 | 2021-03-19 | 江森自控科技公司 | Heat exchanger with water tank |
| US11441826B2 (en) | 2015-12-21 | 2022-09-13 | Johnson Controls Tyco IP Holdings LLP | Condenser with external subcooler |
| CN106770432A (en) * | 2016-11-16 | 2017-05-31 | 南京工业大学 | A kind of removable pipe array heat transfer performance test device |
| CN109387101A (en) * | 2017-08-02 | 2019-02-26 | 中国石油化工股份有限公司 | One kind is around heat exchange of heat pipe |
| CN109387101B (en) * | 2017-08-02 | 2020-06-05 | 中国石油化工股份有限公司 | Coiled pipe heat exchanger |
| CN108225061A (en) * | 2018-01-09 | 2018-06-29 | 北京民利储能技术有限公司 | A kind of single flow heat exchanger |
| CN108680043A (en) * | 2018-06-15 | 2018-10-19 | 浙江开尔新材料股份有限公司 | Corrosion resistant enamel pipe flue gas condensing heat exchanger |
| CN112033188A (en) * | 2020-09-09 | 2020-12-04 | 南通昭和机械有限公司 | Tubular heat exchanger |
| CN112033188B (en) * | 2020-09-09 | 2022-06-28 | 南通昭和机械有限公司 | Tubular heat exchanger |
| CN112161498A (en) * | 2020-10-16 | 2021-01-01 | 孙丽颖 | Chemical industry is with formula shell and tube heat exchanger tube sheet mounting structure that connects soon |
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| Publication number | Publication date |
|---|---|
| CN105135914B (en) | 2017-04-12 |
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Address after: 471000, Binhe Road, hi tech Development Zone, Henan, Luoyang, 32 Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: 471000, Binhe Road, hi tech Development Zone, Henan, Luoyang, 32 Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |