CN109986321A - A kind of double tubesheet π shape heat exchanger tube tube bank pipe penetration method - Google Patents
A kind of double tubesheet π shape heat exchanger tube tube bank pipe penetration method Download PDFInfo
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- CN109986321A CN109986321A CN201910156173.5A CN201910156173A CN109986321A CN 109986321 A CN109986321 A CN 109986321A CN 201910156173 A CN201910156173 A CN 201910156173A CN 109986321 A CN109986321 A CN 109986321A
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- heat exchanger
- tube
- shape heat
- exchanger tube
- poling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
Abstract
The invention discloses a kind of double tubesheet π shape heat exchanger tubes to restrain pipe penetration method, comprising the following steps: two pieces of tube sheets are fixed on platform；It wears the outermost two sides heat exchanger tube of lowest level, when poling, π shape heat exchanger tube one end is first penetrated into one piece of tube sheet, then the π shape heat exchanger tube other end is penetrated into another piece of tube sheet, rotate π shape heat exchanger tube later to target bearing；Wear the outer two sides heat exchanger tube of lowest level time, when poling, π shape heat exchanger tube is first placed on vertical position, then π shape heat exchanger tube one end is penetrated into one piece of tube sheet, the π shape heat exchanger tube other end is penetrated into another piece of tube sheet, later rotates π shape heat exchanger tube to target bearing from vertical position；The poling of remaining heat exchanger tube is completed by aforementioned pipe penetration method；Hereafter the second layer is worn until having worn all heat exchanger tubes.The present invention ensure that the π shape heat exchanger tube of entire π shape heat-exchanging tube bundle can smoothly complete poling, be successfully realized the smooth poling of double tubesheet π shape heat exchanger tube by accurately calculating poling sequence and using the spatial offset of π shape heat exchanger tube poling.
Description
Technical field
The present invention relates to heat exchanger tube poling technical fields, restrain poling side more particularly, to a kind of double tubesheet π shape heat exchanger tube
Method.
Background technique
Davy methanol is international large-scale methanol plant, and structure is complicated for Davy methanol plant, and manufacture difficulty is big.DAVY methanol is set
Standby tube sheet heat exchange tube structure is double tubesheet π shape heat exchange tube structure, wherein π shape heat exchanger tube is both ends straight section, and there are four centre tools
The heat exchanger tube of elbow.
For this structure of double tubesheet π shape heat exchanger tube, currently used π shape heat exchanger tube poling technique are as follows: first straight tube passes through
Then two tube sheets bend molding π shape heat exchanger tube using special curving apparatus；Although this technique poling is easy, due to needing
Each straight tube is bent into π shape using dedicated curving apparatus, thus cause poling complex procedures, bend work under hard conditions,
The problems such as device fabrication period is long and manufacturing cost is high occurs.
For this purpose, existing be badly in need of developing a kind of pipe penetration method that can effectively realize the tube bank of double tubesheet π shape heat exchanger tube.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of double tubesheet π shape In view of the above shortcomings of the prior art
Heat exchanger tube restrains pipe penetration method.
The technical solution adopted by the present invention to solve the technical problems is: a kind of double tubesheet π shape heat exchanger tube tube bank poling side
Method, comprising the following steps:
1. two pieces of tube sheets are fixed on mounting plate by layout design spacing；
2. along two π shape heat exchanger tubes of the lateral symmetry poling plate lowest level of tube sheet or so outermost two sides, when poling, first by π shape
Heat exchanger tube one end straight pipe is penetrated from one piece of tube sheet reverse side, and is pierced by from the tube sheet front, and straight pipe stretches out tube sheet front
Length be equal to the thickness of another piece of tube sheet, it is then that π shape heat exchanger tube other end straight pipe is axial to another between two tube sheets
One piece of tube sheet is mobile up to penetrating another piece of tube sheet, and flushes π shape heat exchanger tube both ends with the outer surface of two tube sheets respectively, later
Adjustment π shape heat exchanger tube orientation to layout design orientation is rotated again, to complete the outermost two sides π shape heat exchanger tube of tube sheet lowest level or so
Poling operation；
3. along two π shape heat exchanger tubes of lateral symmetry poling plate lowest level of tube sheet or so time outer two sides, when poling, first by π shape
Heat exchanger tube orientation is placed on vertical position, then penetrates π shape heat exchanger tube one end straight pipe from one piece of tube sheet reverse side, and from the pipe
Plate front is pierced by, and straight pipe stretches out the thickness that the positive length of the tube sheet is equal to another piece of tube sheet, later that π shape heat exchanger tube is another
One end straight pipe axially being moved to another piece of tube sheet until penetrating another piece of tube sheet, and make π shape heat exchanger tube between two tube sheets
Both ends are flushed with the outer surface of two tube sheets respectively, are then again adjusted to drawing the shape heat exchanger tube orientation π from vertical position rotation and are set
Orientation is counted, to complete the poling operation of the outer two sides π shape heat exchanger tube of tube sheet lowest level or so time；
4. being operated according to the poling that the pipe penetration method of step 3 completes tube sheet lowest level residue π shape heat exchanger tube, poling sequence and mode
For from two sides to central symmetry poling；
5., successively according to step 2,3,4 pipe penetration method is sequentially completed along tube sheet longitudinally arranged second along tube sheet longitudinal direction
Layer π shape heat exchanger tube, third layer π shape heat exchanger tube, the 4th layer of π shape heat exchanger tube ... are until the last layer π shape heat exchanger tube is symmetrically worn
Pipe operation.
The beneficial effects of the present invention are:
The present invention will be distributed over the pore on tube sheet and be divided into several layers pore from bottom to top along tube sheet is longitudinal, and by poling sequence
And mode provides are as follows: when wearing each layer of π shape heat exchanger tube, along tube sheet transverse direction, successively from outermost two side of tube sheet or so to tube sheet
Central symmetry poling, and in two π shape heat exchanger tubes for wearing the outermost two sides of each layer of π shape heat exchanger tube, by by π shape heat exchanger tube
One end straight pipe penetrates from one piece of tube sheet reverse side and straight pipe is made to stretch out the thickness that the positive distance of the tube sheet is equal to another piece of tube sheet
Degree, so as to effectively avoid the π shape heat exchanger tube other end straight pipe during penetrating another piece of tube sheet with another piece of tube sheet
It interferes, and then ensures that two π shape heat exchanger tubes of the outermost two sides of each layer can smoothly complete poling；And wearing each layer
When π shape heat exchanger tube within the outer two sides of π shape heat exchanger tube time, by the way that π shape heat exchanger tube orientation is placed on vertical position, (i.e. π shape is changed
Heat pipe poling temporary position A) poling, so as to effectively avoid subsequent setting adjusting π shape heat exchanger tube orientation rotation to drawing
During counting orientation (i.e. π shape heat exchanger tube on-station position B), π shape heat exchanger tube and the π shape heat exchanger tube of having worn on the outside of it occur to do
Relate to, and then ensure that these π shape heat exchanger tubes can also smoothly complete poling, hereafter only need to according to aforementioned pipe penetration method from lower layer up
The poling that all π shape heat exchanger tubes can be completed in the poling operation that layer successively carries out π shape heat exchanger tube to tube sheet operates.
Detailed description of the invention
Fig. 1 is π shape heat exchanger tube poling schematic diagram；
Fig. 2 is the schematic diagram after π shape heat exchanger tube is put on；
Fig. 3 is the spatial position schematic diagram between π shape exchanger tubes and tubesheets；
In the figure, it is marked as 1- tube sheet, 2-π shape heat exchanger tubes.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1-Figure 3, double tubesheet π shape heat exchanger tube of the invention restrains pipe penetration method, comprising the following steps:
1. two pieces of tube sheets 1 are fixed on mounting plate by the assembly of layout design spacing；
2. along two π shape heat exchanger tubes 2 of lateral symmetry 1 lowest level of poling plate of tube sheet 1 or so outermost two sides, π shape heat exchanger tube 2 by
Straight tube heat exchanger tube bends molding through general elbow machine, when poling, first by 2 one end straight pipe of π shape heat exchanger tube from one piece of 1 reverse side of tube sheet
It penetrates, and is pierced by from 1 front of tube sheet, and straight pipe stretches out the thickness that the positive length of tube sheet 1 is equal to another piece of tube sheet 1,
Then axially being moved to another piece of tube sheet 1 until penetrating another between two tube sheets 1 by 2 other end straight pipe of π shape heat exchanger tube
Block tube sheet 1, and flush 2 both ends of π shape heat exchanger tube with the outer surface of two tube sheets 1 respectively, rotate adjustment π shape heat exchanger tube 2 again later
Orientation to layout design orientation, to complete the poling operation of the outermost two sides π shape heat exchanger tube 2 of 1 lowest level of tube sheet or so；
3. along two π shape heat exchanger tubes 2 of lateral symmetry 1 lowest level of poling plate of tube sheet 1 or so time outer two sides, when poling, first by π
2 orientation of shape heat exchanger tube is placed on vertical position (i.e. π shape heat exchanger tube poling temporary position A), then that 2 one end of π shape heat exchanger tube are straight
Pipeline section is penetrated from one piece of 1 reverse side of tube sheet, and is pierced by from 1 front of tube sheet, and straight pipe stretches out the positive length of tube sheet 1 and is equal to
The thickness of another piece of tube sheet 1, it is later that 2 other end straight pipe of π shape heat exchanger tube is axial to another piece of tube sheet between two tube sheets 1
1 is mobile up to penetrating another piece of tube sheet 1, and flushes 2 both ends of π shape heat exchanger tube with the outer surface of two tube sheets 1 respectively, then again will
2 orientation of π shape heat exchanger tube is adjusted from vertical position (i.e. π shape heat exchanger tube poling temporary position A) rotation to layout design orientation (i.e. π
Shape heat exchanger tube on-station position B), to complete the poling operation of the outer two sides π shape heat exchanger tube 2 of 1 lowest level of tube sheet or so time；
4. being operated according to the poling that the pipe penetration method of step 3 completes 1 lowest level residue π shape heat exchanger tube 2 of tube sheet, poling sequence and side
Formula is from two sides to central symmetry poling；
5., successively according to step 2,3,4 pipe penetration method is sequentially completed along tube sheet longitudinally arranged second along tube sheet longitudinal direction
Layer π shape heat exchanger tube, third layer π shape heat exchanger tube, the 4th layer of π shape heat exchanger tube ... are until the last layer π shape heat exchanger tube is symmetrically worn
Pipe operation.
The present invention will be distributed over the pore on tube sheet and be divided into several layers pore from bottom to top along tube sheet is longitudinal, and by poling
Sequence and mode provide are as follows: when wearing each layer of π shape heat exchanger tube, along tube sheet transverse direction, successively from outermost two side of tube sheet or so to
Tube sheet central symmetry poling, and in two π shape heat exchanger tubes for wearing the outermost two sides of each layer of π shape heat exchanger tube, by the way that π shape is changed
Heat pipe one end straight pipe penetrates from one piece of tube sheet reverse side and straight pipe is made to stretch out the positive distance of the tube sheet equal to another piece of tube sheet
Thickness, so as to effectively avoid the π shape heat exchanger tube other end straight pipe during penetrating another piece of tube sheet with another piece
Tube sheet interferes, and then ensures that two π shape heat exchanger tubes of the outermost two sides of each layer can smoothly complete poling；And it is every wearing
When π shape heat exchanger tube within one layer of outer two sides of π shape heat exchanger tube time, by the way that π shape heat exchanger tube orientation is placed on vertical position (i.e. π
Shape heat exchanger tube poling temporary position A) poling, so as to effectively avoid subsequent adjusting by π shape heat exchanger tube orientation rotation to figure
During paper design orientation (i.e. π shape heat exchanger tube on-station position B), π shape heat exchanger tube and the π shape heat exchanger tube of having worn on the outside of it occur
Interference, and then ensure that these π shape heat exchanger tubes can also smoothly complete poling, it hereafter only need to be past from lower layer according to aforementioned pipe penetration method
The poling that all π shape heat exchanger tubes can be completed in the poling operation that upper layer successively carries out π shape heat exchanger tube to tube sheet operates.
In conclusion the present invention is during poling by accurately calculating poling sequence and the heat exchange of π shape being cleverly utilized
Spatial offset when pipe poling is worn so as to guarantee that all π shape heat exchanger tubes of entire π shape heat-exchanging tube bundle can smoothly complete
Pipe is successfully realized the smooth poling of double tubesheet π shape heat exchanger tube, therefore the present invention effectively plays improvement poling work item
Part simplifies poling process, shortens the device fabrication period and reduces the effect of equipment manufacturing costs, highly pushes away extensively
Extensively with use.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement etc., should all be included in the protection scope of the present invention.
Claims (1)
1. a kind of double tubesheet π shape heat exchanger tube restrains pipe penetration method, which comprises the following steps:
1. two pieces of tube sheets are fixed on mounting plate by layout design spacing；
2. along two π shape heat exchanger tubes of the lateral symmetry poling plate lowest level of tube sheet or so outermost two sides, when poling, first by π shape
Heat exchanger tube one end straight pipe is penetrated from one piece of tube sheet reverse side, and is pierced by from the tube sheet front, and straight pipe stretches out tube sheet front
Length be equal to the thickness of another piece of tube sheet, it is then that π shape heat exchanger tube other end straight pipe is axial to another between two tube sheets
One piece of tube sheet is mobile up to penetrating another piece of tube sheet, and flushes π shape heat exchanger tube both ends with the outer surface of two tube sheets respectively, later
Adjustment π shape heat exchanger tube orientation to layout design orientation is rotated again, to complete the outermost two sides π shape heat exchanger tube of tube sheet lowest level or so
Poling operation；
3. along two π shape heat exchanger tubes of lateral symmetry poling plate lowest level of tube sheet or so time outer two sides, when poling, first by π shape
Heat exchanger tube orientation is placed on vertical position, then penetrates π shape heat exchanger tube one end straight pipe from one piece of tube sheet reverse side, and from the pipe
Plate front is pierced by, and straight pipe stretches out the thickness that the positive length of the tube sheet is equal to another piece of tube sheet, later that π shape heat exchanger tube is another
One end straight pipe axially being moved to another piece of tube sheet until penetrating another piece of tube sheet, and make π shape heat exchanger tube between two tube sheets
Both ends are flushed with the outer surface of two tube sheets respectively, are then again adjusted to drawing the shape heat exchanger tube orientation π from vertical position rotation and are set
Orientation is counted, to complete the poling operation of the outer two sides π shape heat exchanger tube of tube sheet lowest level or so time；
4. being operated according to the poling that the pipe penetration method of step 3 completes tube sheet lowest level residue π shape heat exchanger tube, poling sequence and mode
For from two sides to central symmetry poling；
5., successively according to step 2,3,4 pipe penetration method is sequentially completed along tube sheet longitudinally arranged second along tube sheet longitudinal direction
Layer π shape heat exchanger tube, third layer π shape heat exchanger tube, the 4th layer of π shape heat exchanger tube ... are until the last layer π shape heat exchanger tube is symmetrically worn
Pipe operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156173.5A CN109986321B (en) | 2019-03-01 | 2019-03-01 | Tube penetrating method for double-tube-plate Pi-shaped heat exchange tube bundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156173.5A CN109986321B (en) | 2019-03-01 | 2019-03-01 | Tube penetrating method for double-tube-plate Pi-shaped heat exchange tube bundle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109986321A true CN109986321A (en) | 2019-07-09 |
| CN109986321B CN109986321B (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910156173.5A Active CN109986321B (en) | 2019-03-01 | 2019-03-01 | Tube penetrating method for double-tube-plate Pi-shaped heat exchange tube bundle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136438A (en) * | 2020-01-21 | 2020-05-12 | 浙江科诚暖通设备有限公司 | Heat exchanger mounting equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1962170A (en) * | 1933-07-10 | 1934-06-12 | C F Braun & Co Inc | Heat exchanger construction |
| CN101862917A (en) * | 2010-06-11 | 2010-10-20 | 鲁西工业装备有限公司 | Welding process of double-tube plate heat exchange equipment |
| CN102601604A (en) * | 2012-03-16 | 2012-07-25 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Mechanical pipe inserting machine for chemical vessel and operation method of mechanical pipe inserting machine |
| US20130180109A1 (en) * | 2012-01-12 | 2013-07-18 | Donghwa Entec Co., Ltd. | Method of joining tube and tube sheet in shell & tube heat exchanger |
| CN103673681A (en) * | 2012-09-07 | 2014-03-26 | 风凯换热器制造(常州)有限公司 | Hairpin type double-tube-plate heat exchanger and method for assembling heat exchanging tube and shell body thereof |
| CN104197770A (en) * | 2014-08-01 | 2014-12-10 | 张家港化工机械股份有限公司 | Installing and manufacturing process for heat exchange tubes and double tube plates in double-tube-plate heat exchanger |
| CN105014336A (en) * | 2015-06-24 | 2015-11-04 | 江苏盛信重工有限公司 | Novel manufacturing technique for double-tubesheet heat exchanger |
| CN106802098A (en) * | 2017-03-10 | 2017-06-06 | 东方电气集团东方锅炉股份有限公司 | Hairpin-type heat exchanger and its assembly method |
-
2019
- 2019-03-01 CN CN201910156173.5A patent/CN109986321B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1962170A (en) * | 1933-07-10 | 1934-06-12 | C F Braun & Co Inc | Heat exchanger construction |
| CN101862917A (en) * | 2010-06-11 | 2010-10-20 | 鲁西工业装备有限公司 | Welding process of double-tube plate heat exchange equipment |
| US20130180109A1 (en) * | 2012-01-12 | 2013-07-18 | Donghwa Entec Co., Ltd. | Method of joining tube and tube sheet in shell & tube heat exchanger |
| CN102601604A (en) * | 2012-03-16 | 2012-07-25 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Mechanical pipe inserting machine for chemical vessel and operation method of mechanical pipe inserting machine |
| CN103673681A (en) * | 2012-09-07 | 2014-03-26 | 风凯换热器制造(常州)有限公司 | Hairpin type double-tube-plate heat exchanger and method for assembling heat exchanging tube and shell body thereof |
| CN104197770A (en) * | 2014-08-01 | 2014-12-10 | 张家港化工机械股份有限公司 | Installing and manufacturing process for heat exchange tubes and double tube plates in double-tube-plate heat exchanger |
| CN105014336A (en) * | 2015-06-24 | 2015-11-04 | 江苏盛信重工有限公司 | Novel manufacturing technique for double-tubesheet heat exchanger |
| CN106802098A (en) * | 2017-03-10 | 2017-06-06 | 东方电气集团东方锅炉股份有限公司 | Hairpin-type heat exchanger and its assembly method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136438A (en) * | 2020-01-21 | 2020-05-12 | 浙江科诚暖通设备有限公司 | Heat exchanger mounting equipment |
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| CN109986321B (en) | 2020-11-17 |
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