CN102359850A - Assembly for pressure test of floating head type heat exchanger - Google Patents
Assembly for pressure test of floating head type heat exchanger Download PDFInfo
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- CN102359850A CN102359850A CN2011102879255A CN201110287925A CN102359850A CN 102359850 A CN102359850 A CN 102359850A CN 2011102879255 A CN2011102879255 A CN 2011102879255A CN 201110287925 A CN201110287925 A CN 201110287925A CN 102359850 A CN102359850 A CN 102359850A
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an assembly for a pressure test of a floating head type heat exchanger. The assembly comprises a double-cylinder assembly which is connected with a side flange on a shell of a floating head; the structure of the double-cylinder assembly comprises an outer cylinder; the outer cylinder is sleeved outside an inner cylinder; a retainer ring is arranged on the inner wall of the outer cylinder and the retainer ring is provided with a sealing ring; the sealing ring can be clamped at a circumferential side of a floating head pipe plate; the outer end of the inner cylinder protrudes out of the outer cylinder; flanges are arranged at the outer ends of the inner and outer cylinders and the flanges at the outer ends of the inner and outer cylinders are connected through bolts; after the bolts are tightly screwed, the bottom part of the inner cylinder can lean against the side of the sealing ring to seal the retainer ring and the floating head pipe plate; and a bottom flange is arranged at the bottom of the outer cylinder and the bottom flange is fixedly connected with the side flange in a sealing way through the bolts. The assembly provided by the invention is simple and practical in structure and convenient for operation; and according to the assembly, the work efficiency is greatly improved and the welding line between the floating head pipe plate and a heat-exchanging pipe is effectively avoided from being cracked, so that the assembly can be conveniently applied to the floating head type heat exchanger to carry out the pressure test.
Description
Technical field
Frock is used in the movable tube sheets heat exchanger pressure testing that the present invention relates to be used to detect floating tube sheet and heat exchanger tube weldquality.
Background technology
Heat interchanger is a kind of energy-efficient equipment of realizing heat transferred between the material, is widely used in the industries such as oil, chemical industry, food, metallurgy.The maximum characteristics of movable tube sheets heat exchanger are: the tube sheet at two ends, and an end tube sheet is fixed on the housing, and other end tube sheet does not link to each other with housing, and this end is claimed to raise the nose above water to breathe, and this end tube sheet is called floating tube sheet.When being heated, tube bank can move freely in housing together with floating tube sheet vertically; The thermal expansion of this heat exchanger shell and tube bank is freely, has eliminated thermal (temperature difference) stress fully, and tube bank can be extracted out, is convenient to clean.Movable tube sheets heat exchanger floating head end structure comprises: floating head end housing body, and floating head end housing body is provided with side flange, and floating tube sheet is provided with heat exchanger tube, and floating tube sheet can move freely in housing with heat exchanger tube vertically.After floating head type tube sheet and heat exchanger tube welding completion; Usually to carry out the hydraulic testing to housing; Whether the weld seam between test heat exchanger tube and the floating tube sheet has seepage, and traditional proving installation is to utilize a taper frock body, with its airtight being welded between side flange and the floating tube sheet; The taper frock body that will play airtight effect after pressure testing is accomplished cuts off, and the attachment weld on the floating tube sheet is polished.The workload of welding and cutting taper frock body and polishing welding seams is bigger; And at cutting taper frock body with polish in the process of weld seam the weld seam between the drawing crack floating tube sheet and heat exchanger tube easily; Sealing surface to floating tube sheet impacts, thereby influences the quality of product.
Summary of the invention
The problem that the present invention need solve provide a kind of simple in structure, workload is little, increase work efficiency greatly and can avoid the movable tube sheets heat exchanger pressure testing of weld seam between drawing crack floating tube sheet and the heat exchanger tube to use frock.
For addressing the above problem, the technical scheme that the present invention adopts is: frock use in the movable tube sheets heat exchanger pressure testing, comprising: the double shell frock that is connected with side flange on the floating head end housing body; The structure of described double shell frock is: outer cylinder body; Outer cylinder body is sleeved on outside the inner barrel, and described outer cylinder body inwall is provided with back-up ring, and back-up ring is provided with O-ring seal; Described O-ring seal can be clamped on floating tube sheet circumference side; The outer end of inner barrel protrudes from outer cylinder body, and the outer end of inside and outside cylindrical shell all is set with flange, and the flange of inside and outside cylindrical shell outer end connects through bolt; After bolt was tightened, the side that the bottom of inner barrel can prop up O-ring seal made between back-up ring and floating tube sheet and seals; The bottom of described outer cylinder body is provided with flange in the bottom, and described flange in the bottom is fixedly connected through bolt seals with side flange.
Further, frock is used in aforesaid movable tube sheets heat exchanger pressure testing, wherein, is provided with packing washer between described flange in the bottom and the side flange.
Advantage of the present invention is: simple and practical, easy to operate, and improve work efficiency greatly, and can effectively avoid the weld seam between drawing crack floating tube sheet and the heat exchanger tube, improved the quality of product greatly.
Description of drawings
Fig. 1 is the structural representation of movable tube sheets heat exchanger pressure testing of the present invention with frock.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed description.
As shown in Figure 1, frock is used in the movable tube sheets heat exchanger pressure testing, comprises the double shell frock that is connected with the side flange 3 of raising the nose above water to breathe on the end housing body 1; The structure of described double shell frock is: outer cylinder body 4, outer cylinder body 4 are sleeved on outside the inner barrel 5, and described outer cylinder body 4 inwalls are provided with back-up ring 41; Back-up ring 41 is provided with O-ring seal 6; Described O-ring seal 6 can be clamped on floating tube sheet 2 circumference sides, and the outer end of inner barrel 5 protrudes from outer cylinder body 4, and inner barrel is set with inner flange 7 on 5 outer ends; Outer cylinder body is set with outside flange 8 on 4 outer ends; Inner flange 7 on inner barrel 5 outer ends is connected through first bolt 9 with outside flange 8 on outer cylinder body 4 outer ends, and after first bolt 9 was tightened, the side that the bottom of inner barrel 5 can prop up O-ring seal 6 made sealing between back-up ring 41 and the floating tube sheet 2; The bottom of described outer cylinder body 4 is provided with flange in the bottom 10, and described flange in the bottom 10 cooperates with side flange 3 and is sealedly and fixedly connected through second bolt 11.Be provided with packing washer 12 between described flange in the bottom 10 and the side flange 3.
During pressure testing; Only need the flange in the bottom 10 of movable tube sheets heat exchanger pressure testing with frock is fixed on the side flange 3 through second bolt 11; Owing between side flange 3 and flange in the bottom 10, be provided with packing washer 12, tighten second bolt 11 like this, between side flange 3 and the flange in the bottom 10 with regard to the ability sealing and fixing; The movable tube sheets heat exchanger pressure testing can be clamped on floating tube sheet 2 circumference sides with the back-up ring 41 in the frock; When tightening first bolt 9; Inner barrel 5 moves in outer cylinder body 4 vertically, and the bottom of inner barrel 5 tightly props up the side of O-ring seal 6 like this, and O-ring seal 6 is radially outwards expanded; Tighten fully until first bolt 9, the radially complete distending of O-ring seal 6 makes and seals between floating tube sheet 2 and the back-up ring 41 like this.What O-ring seal 6 adopted among the present invention is the oil immersion asbestos packing.Whether can carry out the hydraulic testing to the housing of whole movable tube sheets heat exchanger with that, detecting has seepage.After inspection finishes, only need unclamp second bolt 11 between flange in the bottom 10 and the side flange, so just can structure for pressure test be removed, the movable tube sheets heat exchanger pressure testing can continue to reuse with frock.Whole pressure testing process does not need welding, has improved the efficient of work so greatly, and has effectively avoided the weld seam between drawing crack floating tube sheet 2 and the heat exchanger tube 13, has improved the quality of product greatly.
Claims (2)
1. frock is used in the movable tube sheets heat exchanger pressure testing, it is characterized in that: comprising: with the double shell frock that the side flange of raising the nose above water to breathe on the end housing body is connected, the structure of described double shell frock is: outer cylinder body; Outer cylinder body is sleeved on outside the inner barrel, and described outer cylinder body inwall is provided with back-up ring, and back-up ring is provided with O-ring seal; Described O-ring seal can be clamped on floating tube sheet circumference side; The outer end of inner barrel protrudes from outer cylinder body, and the outer end of inside and outside cylindrical shell all is set with flange, and the flange of inside and outside cylindrical shell outer end connects through bolt; After bolt was tightened, the side that the bottom of inner barrel can prop up O-ring seal made between back-up ring and floating tube sheet and seals; The bottom of described outer cylinder body is provided with flange in the bottom, and described flange in the bottom is fixedly connected through bolt seals with side flange.
2. frock is used in movable tube sheets heat exchanger pressure testing according to claim 1, it is characterized in that: described flange in the bottom and and side flange between be provided with packing washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102879255A CN102359850A (en) | 2011-09-26 | 2011-09-26 | Assembly for pressure test of floating head type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102879255A CN102359850A (en) | 2011-09-26 | 2011-09-26 | Assembly for pressure test of floating head type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102359850A true CN102359850A (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102879255A Pending CN102359850A (en) | 2011-09-26 | 2011-09-26 | Assembly for pressure test of floating head type heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN102359850A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706518A (en) * | 2012-05-18 | 2012-10-03 | 张家港化工机械股份有限公司 | Tool for pressure test of floating heat exchanger |
| CN103616140A (en) * | 2013-12-06 | 2014-03-05 | 刘明生 | Pressure testing mould of floating head heat exchanger |
| CN103760032A (en) * | 2014-01-17 | 2014-04-30 | 核工业理化工程研究院 | Resin matrix composite circular tube sealing experimental device |
| CN107084887A (en) * | 2017-06-20 | 2017-08-22 | 沈阳汇博热能设备有限公司 | Demountable tube beam tube journey reliability pressure testing device |
| CN107543658A (en) * | 2017-10-23 | 2018-01-05 | 张化机（苏州）重装有限公司 | A kind of mounting structure of test fixture and floating head heat exchanger |
| CN109579563A (en) * | 2018-12-13 | 2019-04-05 | 艾普尔换热器(苏州)有限公司 | A kind of bitubular casting shell heat exchanger |
| CN109990095A (en) * | 2019-04-29 | 2019-07-09 | 武汉检安石化工程有限公司 | A kind of pipeline of floating-head heat exchanger beam shell side structure for pressure test |
| CN110595699A (en) * | 2019-10-21 | 2019-12-20 | 哈电集团（秦皇岛）重型装备有限公司 | Helium mass spectrum leak detection device and method for pipe |
| CN111076868A (en) * | 2019-11-29 | 2020-04-28 | 苏州海陆重工股份有限公司 | Tool for leakage test of floating head tube plate and tube head of floating head heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4606220A (en) * | 1985-03-08 | 1986-08-19 | Emil Rudiger | Apparatus for locating leaks in a heat exchanger |
| US4942920A (en) * | 1988-06-16 | 1990-07-24 | Polysar Limited | Heat exchanger leak detection |
| CN201081598Y (en) * | 2007-08-01 | 2008-07-02 | 中国石油大庆石油化工总厂 | Pressure test device for floating head exchanger |
| CN101672718A (en) * | 2009-08-28 | 2010-03-17 | 无锡海源重工股份有限公司 | Water pressure testing device of intermediate heat exchanger |
| CN202267574U (en) * | 2011-09-26 | 2012-06-06 | 张家港化工机械股份有限公司 | Pressure testing fixture for floating head type heat exchanger |
-
2011
- 2011-09-26 CN CN2011102879255A patent/CN102359850A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4606220A (en) * | 1985-03-08 | 1986-08-19 | Emil Rudiger | Apparatus for locating leaks in a heat exchanger |
| US4942920A (en) * | 1988-06-16 | 1990-07-24 | Polysar Limited | Heat exchanger leak detection |
| CN201081598Y (en) * | 2007-08-01 | 2008-07-02 | 中国石油大庆石油化工总厂 | Pressure test device for floating head exchanger |
| CN101672718A (en) * | 2009-08-28 | 2010-03-17 | 无锡海源重工股份有限公司 | Water pressure testing device of intermediate heat exchanger |
| CN202267574U (en) * | 2011-09-26 | 2012-06-06 | 张家港化工机械股份有限公司 | Pressure testing fixture for floating head type heat exchanger |
Non-Patent Citations (1)
| Title |
|---|
| 祁彦伟: "浮头式换热器试压胎具的改进", 《石油化工设备》, vol. 36, no. 01, 31 January 2007 (2007-01-31) * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706518A (en) * | 2012-05-18 | 2012-10-03 | 张家港化工机械股份有限公司 | Tool for pressure test of floating heat exchanger |
| CN103616140A (en) * | 2013-12-06 | 2014-03-05 | 刘明生 | Pressure testing mould of floating head heat exchanger |
| CN103616140B (en) * | 2013-12-06 | 2016-01-20 | 刘明生 | The pressure testing mold of movable tube sheets heat exchanger |
| CN103760032A (en) * | 2014-01-17 | 2014-04-30 | 核工业理化工程研究院 | Resin matrix composite circular tube sealing experimental device |
| CN107084887A (en) * | 2017-06-20 | 2017-08-22 | 沈阳汇博热能设备有限公司 | Demountable tube beam tube journey reliability pressure testing device |
| CN107084887B (en) * | 2017-06-20 | 2023-07-28 | 沈阳汇博热能设备有限公司 | Detachable tube bundle tube side reliability pressure testing device |
| CN107543658A (en) * | 2017-10-23 | 2018-01-05 | 张化机（苏州）重装有限公司 | A kind of mounting structure of test fixture and floating head heat exchanger |
| CN109579563A (en) * | 2018-12-13 | 2019-04-05 | 艾普尔换热器(苏州)有限公司 | A kind of bitubular casting shell heat exchanger |
| CN109990095A (en) * | 2019-04-29 | 2019-07-09 | 武汉检安石化工程有限公司 | A kind of pipeline of floating-head heat exchanger beam shell side structure for pressure test |
| CN110595699A (en) * | 2019-10-21 | 2019-12-20 | 哈电集团（秦皇岛）重型装备有限公司 | Helium mass spectrum leak detection device and method for pipe |
| CN110595699B (en) * | 2019-10-21 | 2021-10-15 | 哈电集团（秦皇岛）重型装备有限公司 | Helium mass spectrum leak detection device and method for pipe |
| CN111076868A (en) * | 2019-11-29 | 2020-04-28 | 苏州海陆重工股份有限公司 | Tool for leakage test of floating head tube plate and tube head of floating head heat exchanger |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120222 |