SU1247643A1 - Method of fixing bimetallic heat exchanging tube in hole of tube sheet - Google Patents
Method of fixing bimetallic heat exchanging tube in hole of tube sheet Download PDFInfo
- Publication number
- SU1247643A1 SU1247643A1 SU843750373A SU3750373A SU1247643A1 SU 1247643 A1 SU1247643 A1 SU 1247643A1 SU 843750373 A SU843750373 A SU 843750373A SU 3750373 A SU3750373 A SU 3750373A SU 1247643 A1 SU1247643 A1 SU 1247643A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- tube sheet
- tube
- hole
- fixing
- heat exchanging
- Prior art date
Links
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
Изобретение относитс к теплотехнике и может быть, использовано при изготовлении теплообменников из биметаллических труб.The invention relates to heat engineering and may be used in the manufacture of heat exchangers from bimetallic pipes.
Цель изобретени - повышение- экс- плуатационной надежности теплообменника с биметаллическими трубами.The purpose of the invention is to improve the operational reliability of the heat exchanger with bimetallic pipes.
На чертеже изображен узел креплени биметаллической ;еплообменной трубы в отверстии трубной решетки.The drawing shows a bimetallic fastening assembly; a heat exchange tube in the hole of the tube sheet.
Узел креплени сострит из внутреннего элемента 1, например; стальной трубы, напрессованного на него наружного элемента 2,. например из алломини , промежуточной втулки .3, трубной. решетки 4.The fastening assembly is screwing out the inner member 1, for example; steel pipe, pressed on him outer element 2 ,. For example, from Alomini, intermediate sleeve .3, pipe. lattices 4.
Промежуточна втулка 3 может быть вы- полнена из нержавеющей стали.The intermediate sleeve 3 can be made of stainless steel.
При изготовлении теплообменника внутренний элемент 1 выполн ют большей длины , чем наружный элемент 2. На концевом участке внутреннего элемента 1 выполн ют кольцевую проточку до торца наружного элемента 2, на образовавшуюс поверхность которой напрессовывают промежуточную втулку 3. Напрессовку осушествл - ют путем нагрева втулки 3, надевани на конец элемента 1 и охлаждени либо механическим путем. Затем собранную трубу устанавливают в отверстии трубной решетки 4, причем наружный элемент 2 устанавливают с зазором относительно трубной решетки 4. Затем производ т сварку одновременно внутреннего элемента 1, втулки 3 и решетки 4 одним швом. После сварки наружную поверхность втулки 3, зазор между торцом наружного элемента 2 и втулкой 3, а также поверхность наружного элемента 2 покрывают герметиком, например эпоксидной шпаклевкой. В результате повышаетс антикоррозионна зашита концов труб.In the manufacture of the heat exchanger, the inner element 1 is made longer than the outer element 2. At the end portion of the inner element 1, an annular groove is made to the end of the outer element 2, onto the resulting surface of which the intermediate sleeve 3 is pressed. The pressing is done by heating the sleeve 3 putting on the end of the element 1 and cooling either mechanically. Then, the assembled pipe is installed in the hole of the tube sheet 4, the outer element 2 being installed with a gap relative to the tube sheet 4. Then, the inner element 1, the sleeve 3 and the grid 4 are welded simultaneously with one seam. After welding, the outer surface of the sleeve 3, the gap between the end of the outer element 2 and the sleeve 3, as well as the surface of the outer element 2 are coated with a sealant, for example, epoxy putty. As a result, the anti-corrosion protection of the pipe ends is increased.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU843750373A SU1247643A1 (en) | 1984-06-07 | 1984-06-07 | Method of fixing bimetallic heat exchanging tube in hole of tube sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU843750373A SU1247643A1 (en) | 1984-06-07 | 1984-06-07 | Method of fixing bimetallic heat exchanging tube in hole of tube sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1247643A1 true SU1247643A1 (en) | 1986-07-30 |
Family
ID=21122720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU843750373A SU1247643A1 (en) | 1984-06-07 | 1984-06-07 | Method of fixing bimetallic heat exchanging tube in hole of tube sheet |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1247643A1 (en) |
-
1984
- 1984-06-07 SU SU843750373A patent/SU1247643A1/en active
Non-Patent Citations (1)
| Title |
|---|
| Авторское свидетельство СССР № 500415, кл. F 16 L 58/04, 1963. Жмеркович В. М. Аппараты воздушного охлаждени дл технологических установок нефтеперерабатываюш,их и химических заводов. М.: ЦИНТИАМ, 1964, с. 38. * |
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