CN102589810A - Novel testing device and testing method for sealing performance of pipe plate and heat exchange pipe - Google Patents

Novel testing device and testing method for sealing performance of pipe plate and heat exchange pipe Download PDF

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Publication number
CN102589810A
CN102589810A CN2012100257825A CN201210025782A CN102589810A CN 102589810 A CN102589810 A CN 102589810A CN 2012100257825 A CN2012100257825 A CN 2012100257825A CN 201210025782 A CN201210025782 A CN 201210025782A CN 102589810 A CN102589810 A CN 102589810A
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CN
China
Prior art keywords
test
tube
pipe
sealing
testing
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Application number
CN2012100257825A
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Chinese (zh)
Inventor
陈小平
关庆鹤
杜国珠
李国骥
曲郁婵
刘太平
Original Assignee
哈尔滨锅炉厂有限责任公司
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Application filed by 哈尔滨锅炉厂有限责任公司 filed Critical 哈尔滨锅炉厂有限责任公司
Priority to CN2012100257825A priority Critical patent/CN102589810A/en
Publication of CN102589810A publication Critical patent/CN102589810A/en

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Abstract

The invention discloses a novel testing device and testing method for the sealing performance of a pipe plate and a heat exchange pipe. The existing equipment adopts a welding mode for sealing and can not be used repeatedly, the procedure is complicated after subsequent related tests are carried out on a sample, and the process test can be continuously carried out only after cutting and separating a sealed pressure container and a test drum and grinding slots of the sample. The novel testing device comprises an end cover (5), the testing drum (1), a sealing pad and a corresponding pipe joint, wherein a sealing cavity is formed by the tested pipe plate (3), the testing drum and the sealing pad; in test, a highest-end pipe seat A is connected with the testing drum, and a bottommost-end pipe seat B is connected with the testing drum; and the sealing form of the tested pipe plate adopts an octagonal groove or a boss plane for sealing. The novel testing device and the testing method can be used for test on the sealing performance of the pipe plate and the heat exchange pipe, and pressure resistance test, and also can be used for leakage test.

Description

Novel tube sheet and heat exchanger tube sealing property tester and test method

Technical field

the present invention relates to a kind of novel new test unit, are specifically related to a kind of novel tube sheet and heat exchanger tube sealing property tester and test method.

Background technology

heat interchanger product has tube sheet and heat exchange tube structure; Tube sheet adopts expanded joint, welding or both modes of combination to be connected with heat exchanger tube; Tube sheet is separated temperature and the different two media of pressure to carry out the exchange of heat with heat exchanger tube; For tube sheet is connected with heat exchanger tube reliably, guarantee the operation of heat interchanger safety of products, tube sheet is connected with heat exchanger tube must satisfy certain seal request.For detecting the sealing property that tube sheet is connected with heat exchanger tube, when the expanding joint process qualification test, need carry out hydro-test to detect the sealing property of expanded joint; When planting qualification test, the pipe end welder need carry out helium leak test to detect the sealing property of welding.Traditional mode is the end welding pressure container tube at the test tube, firm welding, and on heat exchanger tube, weld pipe plug, charge into above-mentioned medium to pressure vessel one side after welding is accomplished and carry out experiments of sealing performance.But because pressure vessel adopts Type of Welding to seal, can't reuse, and sample when carrying out follow-up correlation test operation comparatively loaded down with trivial details, have only and just can proceed engineer testing behind pressure vessel and test tube cutting and separating and the reconditioning sample slot.

existing equipment adopts Type of Welding to seal; Can't reuse; And operation was comparatively loaded down with trivial details when sample carried out follow-up correlation test, had only and just can proceed engineer testing with behind the pressure vessel of sealing and test tube cutting and separating and the reconditioning sample slot.

Summary of the invention

the purpose of this invention is to provide a kind of shortcoming of eliminating existing test unit, not only can carry out different tests and also reach the purpose of simplifying working process, shorten test period, reusing device.

Above-mentioned purpose realizes through following technical scheme:

a kind of novel tube sheet and heat exchanger tube sealing property tester; Its composition comprises: be made up of end cap, test tube, sealing gasket and corresponding pipe adapter; Underproof tube sheet, described test tube and sealing gasket form annular seal space; Be in most significant end base A during test and link to each other with the test tube, be in lowermost end base B during test and link to each other with the test tube, the seal form of underproof tube sheet both sides adopts anistree groove or boss plane.

described novel tube sheet and heat exchanger tube sealing property tester adopts anistree groove sealing or convex-concave platform to be tightly connected between described underproof tube sheet and described test tube, the described end cap.

described novel tube sheet and heat exchanger tube sealing property tester; In the described test tube expand tube is housed in order; Described test tube one end connects described underproof tube sheet through described O-ring seal, and the described test tube other end is welded with an end cap.

described novel tube sheet and heat exchanger tube sealing property tester, described expand tube all at one end is equipped with pipe plug, is connected fastening through the thru-bolt nut between described end cap and the described test tube.

a kind of novel tube sheet and heat exchanger tube experiments of sealing performance method; End cap, test tube, test tube, sealing gasket and corresponding pipe adapter is in place; Be installed in underproof tube sheet relevant position, with pipe plug is installed on the expand tube; Behind the pretension bolt nut, open the test(ing) medium mouth pipe adapter plug screw that is in most significant end, charge into test(ing) medium through base; After being full of test(ing) medium in the test tube,, and carry out relevant detection according to the testing requirements pressurization; After the test completion, the emission testing medium tube joint plug screw emission testing medium that is in lowermost end is opened in pressure release, and removes bolt and nut, the i.e. completion test of test tube.

described novel tube sheet and heat exchanger tube experiments of sealing performance method, described test method are carried out the helium leak test in the pipe end weldering leakage test, the hydro-test in the test of pipe tube plate expanded-connecting; Only need charge into different media during test and get final product, need not to change other devices.

Beneficial effect:

1. the present invention help standardization, the standardization of the check of tube sheet and heat exchanger tube sealing property, can reduce disposable technological equipment consumption.

Various sample or test of different nature can be carried out in 2. the present invention, like the helium leak test in the pipe end weldering leakage test, the hydro-test in the test of pipe tube plate expanded-connecting etc.; Only need charge into different media during test and get final product, need not to change other devices.

3. of the present invention to have solved the loaded down with trivial details operation in the expanding joint process evaluation and qualification of welding procedure leakage test in the heat interchanger; Use end cap, test tube, sealing gasket, bolt and nut to substitute the welding pressure container tube; And there are not follow-up gas cutting pressure vessel tube and reconditioning operation; Leakage test is greatly simplified, and process of the test is more simple and easy.

The essential classic method that adopts welding pressure container tube when 4. the present invention has substituted the detection experiments of sealing performance of heat interchanger product expanded joint, qualification of welding procedure can adopt the form sealing of conventional bolt and nut and sealing gasket in the leakage test Performance Detection.

5. among the present invention end cap, test tube, sealing gasket, bolt and nut to be directed against the sample of certain specification reusable, reduced disposable technological equipment consumption, reduced the manufacturing cost of product.

6. the present invention can be applicable to the leakage check in the similar heat interchanger product procedure qualification test, and the leakage check test comprises reveals test and withstand voltage test, helps standardization, the standardization of the check of tube sheet and heat exchanger tube sample sealing property.

Description of drawings:

accompanying drawing 1 is the structural representation of this product.

Embodiment:

Embodiment 1:

a kind of novel tube sheet and heat exchanger tube sealing property tester; Its composition comprises: be made up of end cap 5, test tube 1, sealing gasket and corresponding pipe adapter; Underproof tube sheet 3 forms annular seal space with described test tube and sealing gasket; Be in most significant end base A during test and link to each other, the experiment table is housed on the base A, be in lowermost end base B during test and link to each other with the test tube with the test tube; Base B connects the test(ing) medium inlet tube, and the seal form of underproof tube sheet adopts anistree groove or boss plane to seal.

Embodiment 2:

embodiment 1 described novel tube sheet and heat exchanger tube sealing property tester adopts anistree groove sealing or convex-concave platform to be tightly connected between described underproof tube sheet and described test tube, the described end cap.

are if be that described underproof tube sheet adopts the sealing of anistree groove then described end cap, described test tube are processed into corresponding anistree flute profile formula and is connected with it; If adopt the boss sealing; Then the boss form is processed at described test tube two ends; Described end cap, described test tube are processed into the indent form; Adopt the sealing gasket that matches with specimen size to seal, wherein said test tube matches with described end cap, the processing of described test tube.

Embodiment 3:

embodiment 1 or 2 described novel tube sheet and heat exchanger tube sealing property testers; In the described test tube expand tube 2, expand tube 3 or the like are housed in order and constitute heat-exchanging tube bundle; Described test tube one end connects described underproof tube sheet through described O-ring seal, and the described test tube other end has an end cap 14.Described test tube connects base, and described base top connects experiment table pipe adapter 8 and test(ing) medium mouth pipe adapter 9, and described base top connects emission testing medium tube joint 10.

Embodiment 4:

embodiment 1 or 2 described novel tube sheet and heat exchanger tube sealing property testers, described expand tube all at one end is equipped with pipe plug 11, is connected fastening through thru-bolt nut 12 between described end cap and the described test tube.

Embodiment 5:

a kind of novel tube sheet and heat exchanger tube experiments of sealing performance method; End cap, test tube, test tube, sealing gasket and corresponding pipe adapter is in place; Be installed in underproof tube sheet relevant position, with pipe plug is installed on the expand tube; Behind the pretension bolt nut, open the test(ing) medium mouth pipe adapter plug screw that is in most significant end, charge into test(ing) medium through base; After being full of test(ing) medium in the test tube,, and carry out relevant detection according to the testing requirements pressurization; After the test completion, the emission testing medium tube joint plug screw emission testing medium that is in lowermost end is opened in pressure release, and removes bolt and nut, the i.e. completion test of test tube.

Embodiment 6:

embodiment 5 described novel tube sheets and heat exchanger tube experiments of sealing performance method; Described test method and test unit can carry out various sample or test of different nature; Like the helium leak test in the pipe end weldering leakage test, the hydro-test in the test of pipe tube plate expanded-connecting; Only need charge into different media during test and get final product, need not to change other devices.

Embodiment 7:

Described novel tube sheet of the foregoing description and heat exchanger tube sealing property tester; Be made up of end cap, test tube, sealing gasket and corresponding pipe adapter, as shown in Figure 1, wherein tested tube sheet, test tube and sealing gasket form annular seal space; Base is in most significant end when linking to each other test with the test tube; The low level base links to each other with the test tube, is in lowermost end during test, and the seal form of sample adopts anistree groove or boss plane to seal.If sample adopts the sealing of anistree groove then sample and end cap, test tube to be processed into corresponding anistree flute profile formula; If adopt the boss sealing; Then will test the tube two ends and be processed into the boss form; End cap, test tube are processed into the indent form; Adopt the sealing gasket that matches with specimen size to seal, wherein the test tube matches with end cap, the processing of test tube, and the length of bolt and nut is according to the concrete Thickness Design or the selection standard spare of sample.Open the little plug screw that is in most significant end before the test, charge into test(ing) medium through base; After being full of test(ing) medium in the test tube,, and carry out relevant detection according to the testing requirements pressurization; After the test completion, the big plug screw emission testing medium that is in lowermost end is opened in pressure release, and removes bolt and nut, the i.e. completion test of test tube.Can carry out above-mentioned correlation test.

Claims (6)

1. novel tube sheet and heat exchanger tube sealing property tester; Its composition comprises: be made up of end cap, test tube, sealing gasket and corresponding pipe adapter; It is characterized in that: underproof tube sheet, described test tube and sealing gasket form annular seal space; Be in most significant end base A during test and link to each other with the test tube, be in lowermost end base B during test and link to each other with the test tube, the seal form of underproof tube sheet both sides adopts anistree groove or boss plane.
2. novel tube sheet according to claim 1 and heat exchanger tube sealing property tester is characterized in that: adopt anistree groove sealing or convex-concave platform to be tightly connected between described underproof tube sheet and described test tube, the described end cap.
3. novel tube sheet according to claim 1 and 2 and heat exchanger tube sealing property tester; It is characterized in that: in the described test tube expand tube is housed in order; Described test tube one end connects described underproof tube sheet through described O-ring seal, and the described test tube other end is welded with an end cap.
4. novel tube sheet according to claim 1 and 2 and heat exchanger tube sealing property tester is characterized in that: described expand tube all at one end is equipped with pipe plug, is connected fastening through the thru-bolt nut between described end cap and the described test tube.
5. novel tube sheet and heat exchanger tube experiments of sealing performance method; It is characterized in that: end cap, test tube, test tube, sealing gasket and corresponding pipe adapter is in place; Be installed in underproof tube sheet relevant position, with pipe plug is installed on the expand tube; Behind the pretension bolt nut, open the test(ing) medium mouth pipe adapter plug screw that is in most significant end, charge into test(ing) medium through base; After being full of test(ing) medium in the test tube,, and carry out relevant detection according to the testing requirements pressurization; After the test completion, the emission testing medium tube joint plug screw emission testing medium that is in lowermost end is opened in pressure release, and removes bolt and nut, the i.e. completion test of test tube.
6. novel tube sheet according to claim 5 and heat exchanger tube experiments of sealing performance method is characterized in that: described test method is carried out the helium leak test in the pipe end weldering leakage test, the hydro-test in the test of pipe tube plate expanded-connecting; Only need charge into different media during test and get final product, need not to change other devices.
CN2012100257825A 2012-02-07 2012-02-07 Novel testing device and testing method for sealing performance of pipe plate and heat exchange pipe CN102589810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012100257825A CN102589810A (en) 2012-02-07 2012-02-07 Novel testing device and testing method for sealing performance of pipe plate and heat exchange pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012100257825A CN102589810A (en) 2012-02-07 2012-02-07 Novel testing device and testing method for sealing performance of pipe plate and heat exchange pipe

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818681A (en) * 2012-08-30 2012-12-12 山东华能冷却技术股份有限公司 Sorting and pressure testing device for pipe bundle of air cooler
CN102841019A (en) * 2012-08-31 2012-12-26 中电电机股份有限公司 Device and method for testing voltage resistance of small and medium-sized explosion-proof motor shell
CN102853971A (en) * 2012-09-06 2013-01-02 上海电气核电设备有限公司 Device for testing sealing performance of hydraulic expansion pipe
CN103018156A (en) * 2012-12-27 2013-04-03 茂名重力石化机械制造有限公司 Testing device and testing method for shell pass side clearance seepage-proofing of heat exchange tube bundle
CN104897860A (en) * 2015-06-24 2015-09-09 江苏盛信重工有限公司 Novel expanding connection technology and assessment method
CN105203269A (en) * 2015-09-16 2015-12-30 东方电气(广州)重型机器有限公司 Heat exchange tube and tube plate seal-welding helium leakage-detection device
CN107014430A (en) * 2017-03-31 2017-08-04 中国特种设备检测研究院 A kind of sealing property method of testing of Zr/Ti pipes tube sheet joint
CN107677420A (en) * 2016-08-02 2018-02-09 新特能源股份有限公司 A kind of spliced leakage detection closure plate
CN108375456A (en) * 2018-02-27 2018-08-07 萝北奥星新材料有限公司 A kind of device for detecting leak point of graphite heat exchanger
CN109029863A (en) * 2018-08-21 2018-12-18 哈尔滨锅炉厂有限责任公司 A kind of no case type heat exchanger pipe end tightness test device and method

Citations (6)

* Cited by examiner, † Cited by third party
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
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
CN101886966A (en) * 2009-06-26 2010-11-17 刘安平 Helium mass spectrum leak detection fixture for tube plate welding seams of evaporator
CN202453151U (en) * 2012-02-07 2012-09-26 哈尔滨锅炉厂有限责任公司 Novel test device of sealing performance of tube plate and heat exchange tube

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
CN101886966A (en) * 2009-06-26 2010-11-17 刘安平 Helium mass spectrum leak detection fixture for tube plate welding seams of evaporator
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
CN202453151U (en) * 2012-02-07 2012-09-26 哈尔滨锅炉厂有限责任公司 Novel test device of sealing performance of tube plate and heat exchange tube

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818681A (en) * 2012-08-30 2012-12-12 山东华能冷却技术股份有限公司 Sorting and pressure testing device for pipe bundle of air cooler
CN102841019A (en) * 2012-08-31 2012-12-26 中电电机股份有限公司 Device and method for testing voltage resistance of small and medium-sized explosion-proof motor shell
CN102853971A (en) * 2012-09-06 2013-01-02 上海电气核电设备有限公司 Device for testing sealing performance of hydraulic expansion pipe
CN102853971B (en) * 2012-09-06 2015-05-20 上海电气核电设备有限公司 Device for testing sealing performance of hydraulic expansion pipe
CN103018156A (en) * 2012-12-27 2013-04-03 茂名重力石化机械制造有限公司 Testing device and testing method for shell pass side clearance seepage-proofing of heat exchange tube bundle
CN104897860A (en) * 2015-06-24 2015-09-09 江苏盛信重工有限公司 Novel expanding connection technology and assessment method
CN105203269A (en) * 2015-09-16 2015-12-30 东方电气(广州)重型机器有限公司 Heat exchange tube and tube plate seal-welding helium leakage-detection device
CN107677420A (en) * 2016-08-02 2018-02-09 新特能源股份有限公司 A kind of spliced leakage detection closure plate
CN107014430A (en) * 2017-03-31 2017-08-04 中国特种设备检测研究院 A kind of sealing property method of testing of Zr/Ti pipes tube sheet joint
CN108375456A (en) * 2018-02-27 2018-08-07 萝北奥星新材料有限公司 A kind of device for detecting leak point of graphite heat exchanger
CN109029863A (en) * 2018-08-21 2018-12-18 哈尔滨锅炉厂有限责任公司 A kind of no case type heat exchanger pipe end tightness test device and method

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Application publication date: 20120718

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