CN109732009A - The centering method of baffle plate pore in heat exchanger - Google Patents
The centering method of baffle plate pore in heat exchanger Download PDFInfo
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- CN109732009A CN109732009A CN201811608616.1A CN201811608616A CN109732009A CN 109732009 A CN109732009 A CN 109732009A CN 201811608616 A CN201811608616 A CN 201811608616A CN 109732009 A CN109732009 A CN 109732009A
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- centering
- pore
- baffle plate
- pipe
- piano wire
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Abstract
The invention discloses a kind of centering methods of baffle plate pore in heat exchanger, the following steps are included: one, make centering tooling, centering tooling includes: supporting table and several centering components, it is spaced in supporting table and is arranged in parallel with several supporting grooves, each centering component includes: the first centering pipe, second centering pipe and centering piano wire, centering through-hole is offered in the axial direction of every centering pipe, tube body energy tight fit is arranged in the pore of baffle plate, directive wheel is provided on the outside of the retaining ring of first centering pipe, guiding groove is offered in the circumferential direction of directive wheel outer wall, centering piano wire can pass through first, the centering through-hole of second centering pipe, then guiding groove guidance to by horizontal transition to straight down；Two, baffle plate is fastened in supporting groove respectively；Three, every group of centering component is successively installed；Five, several heat exchanger tubes are tried on baffle plate.The present invention has the advantages that centering method is simple and easy, reliable, wearing for heat exchanger tube is facilitated.
Description
Technical field
The present invention relates to technical field of heat exchangers, and in particular to the centering method of baffle plate pore in heat exchanger.
Background technique
Heat exchanger is a kind of energy saving facility that heat transfer is carried out between two kinds of fluid media (medium)s of different temperatures.Heat exchanger
It is extensive in industrial applications such as petroleum, chemical industry, metallurgy, electric power, light industry, food.Interval is worn on heat-exchanging tube bundle in heat exchanger
There are several baffle plates.At present in the production process of heat exchanger, following technical problem often occur: the pore on baffle plate is not right
In, when heat exchanger tube is worn, heat exchanger tube is forced through the pore of every piece of baffle plate frequently by the mode of percussion by worker, but this holds
Easy damaged heat exchanger tube and baffle plate, to bury security risk.
Summary of the invention
The technical problem to be solved in the invention is: a kind of centering method of baffle plate pore in heat exchanger is provided, thus
Significantly facilitate wearing for heat exchanger tube.
To solve the above problems, the technical solution adopted by the present invention is that: the centering method of baffle plate pore in heat exchanger, packet
It includes following steps: one, making centering tooling, centering tooling includes: supporting table and several centering components, is spaced in supporting table and flat
Row is provided with several supporting grooves, and every piece of baffle plate energy tight fit is fastened in supporting groove, and each centering component includes:
First centering pipe, the second centering pipe and centering piano wire, every centering Guan Jun include tube body, and one end of tube body is provided with gear
Circle, offers in the axial direction of body central to middle through-hole, tube body energy tight fit is arranged in the pore of baffle plate, the first centering
It is provided with directive wheel on the outside of the retaining ring of pipe, offers guiding groove in the circumferential direction of directive wheel outer wall, centering piano wire can pass through the
One, the centering through-hole of the second centering pipe, then guiding groove guidance to by horizontal transition to straight down；Two, by baffling
Plate is fastened in supporting groove respectively；Three, every group of centering component be successively installed, the installation steps of each centering component include: by
The tube body of first centering pipe and the second centering pipe is tightly inserted into respectively into corresponding pore on the baffle plate for being located at both ends, so
Centering piano wire is passed through from the centering through-hole of the second centering pipe afterwards and is sequentially passed through on every piece of baffle plate after corresponding pore
It is pierced by from the centering through-hole of the first centering pipe, sets stop member to tying up on middle piano wire outside pipe in second pair, blocking portion
Outside the retaining ring of pipe, the centering piano wire block being pierced by from the centering through-hole of the first centering pipe is being led in second pair for part block
Into the guiding groove of wheel so that the centering piano wire of first pair of one end of the central tube around directive wheel straight down, straight down
The weight of bondage counterweight on centering piano wire, counterweight needs so that the centering piano wire between the first centering pipe and the second centering pipe is taut
Tightly；Four, it checks the pore for being equipped with centering piano wire, adjusts the position of every piece of baffle plate, it is ensured that wear centering piano wire and pore
The deviation at center is within ± 0.5mm；Five, several heat exchanger tubes are tried on baffle plate, as every heat exchanger tube can sequentially pass through institute
There is corresponding pore on baffle plate, and the heat exchanger tube after the completion of wearing can rotate in pore, then judge pair of baffle plate pore
Middle work is completed.
Further, in heat exchanger above-mentioned baffle plate pore centering method, wherein the diameter of centering piano wire is
0.75mm, the diameter of the centering through-hole of every centering pipe are 1.2mm, and the quality of the counterweight is 15 kilograms~17 kilograms.
Further, in heat exchanger above-mentioned baffle plate pore centering method, wherein if on every piece of baffle plate select
Dry is used for the pore of centering, and the pore for centering includes the first pore and the second pore, and the first pore is located at baffle plate
Outer end position and it is evenly-spaced circumferentially arrangement；
First pore is located on a circumference of the same diameter in outer end position on baffle plate and the uniform intervals cloth on the circumference
It sets；Second pore is between same the first pore of two diametrically.
Further, in heat exchanger above-mentioned baffle plate pore centering method, wherein the first centering pipe and directive wheel
Connection structure includes: a pair of of mounting plate, and every piece of mounting plate has the block support portion outwardly protruded, the retaining ring of the first centering pipe
It is supported and fixed on the block support portion of a pair of of mounting plate, the lateral wall of the block support portion of a pair of of mounting plate and the first centering pipe
Retaining ring flush, so as to abut against on baffle plate together with the retaining ring of the first centering pipe, be provided with one between a pair of of mounting plate
Root wheel shaft, the directive wheel are movably arranged on wheel shaft.
Further, in heat exchanger above-mentioned baffle plate pore centering method, wherein in four steps, when check send out
When existing pore center is greater than 0.5mm lower than centering piano wire, then the baffle plate where the pore is risen using jack, until
The baffle plate spot welding within the allowable range, is then fixed in supporting table by the deviation between pore center and centering piano wire.
Further, in heat exchanger above-mentioned baffle plate pore centering method, wherein be respectively provided in each supporting groove
There is bed course, it, then will corresponding baffling by way of withdrawing from bed course when checking that discovery pore center is higher by piano wire greater than 0.5mm
The height of plate drops in the range of deviation permission.
Further, in heat exchanger above-mentioned baffle plate pore centering method, wherein the first centering pipe and the second centering
The pipe diameter of pipe is 0.2mm smaller than the diameter of pore on baffle plate.
The invention has the advantages that one, centering tooling structure is simple, it is easy to make.Two, centering method is simple and easy, reliable,
Pore centering on all baffle plates to facilitate wearing for heat exchanger tube, can be improved the efficiency that heat exchanger tube is worn, simultaneously
The phenomenon that avoiding poling by force generation, effective protection heat exchanger tube and baffle plate.
Detailed description of the invention
Fig. 1 is the mounting structure signal of centering tooling in the centering method of baffle plate pore in heat exchanger of the present invention
Figure.
Fig. 2 is the structural schematic diagram of the first centering pipe in centering tooling.
Fig. 3 is structural schematic diagram shown in Fig. 2 right view direction.
Fig. 4 is the structural schematic diagram of the second centering pipe in centering tooling.
Fig. 5 is the arragement construction schematic diagram of the pore of centering on tube sheet.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and preferred embodiments.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, the centering method of baffle plate pore includes the following steps in heat exchanger.
One, make centering tooling: centering tooling includes: supporting table 1 and several centering components, is spaced in supporting table 1 and flat
Row is provided with several supporting grooves 11, and every piece of baffle plate 2 energy tight fit is fastened in supporting groove 11.Each centering component is equal
It include: the first centering pipe 3, the second centering pipe 4 and centering piano wire 5.
Second centering pipe 4 includes: the second tube body 41, and 41 one end of the second tube body is provided with the second retaining ring 42, in the second tube body
The second centering through-hole 411 is offered in the axial direction at 41 centers, 41 energy tight fit of the second tube body is arranged in the pore of baffle plate 2,
In order to ensure the second centering through-hole 411 and the pore on baffle plate 2 are concentric in the present embodiment, the diameter of the second tube body 31 compares baffling
The small 0.2mm of pore diameter on plate 2.
First centering pipe 3 includes: the first tube body 31, and 31 one end of the first tube body is provided with the first retaining ring 32, in the first tube body
The first centering through-hole 311 is offered in the axial direction at 31 centers, 31 energy tight fit of the first tube body is arranged in the pore of baffle plate 2,
In order to ensure the first centering through-hole 311 and the pore on baffle plate 2 are concentric in the present embodiment, the diameter of the first tube body 31 compares baffling
The small 0.2mm of pore diameter on plate 2.The outside of first retaining ring 31 of the first centering pipe 3 is provided with directive wheel 33, outside directive wheel 33
Guiding groove 331 is offered in the circumferential direction of wall.Centering piano wire 5 can pass through the first centering through-hole 311 and the of the first centering pipe 3
Second centering through-hole 411 of two centering pipes 4, then guiding groove 331 guidance to by horizontal transition to straight down.Specifically
The connection structure on ground, the first centering pipe 3 and directive wheel 33 includes: a pair of of mounting plate 34, and every piece of mounting plate 34 is with outwardly convex
Block support portion 341 out, the first retaining ring 32 of the first centering pipe 3 are supported and fixed on the block support portion of a pair of of mounting plate 34
On 341, the lateral wall of the block support portion 341 of a pair of of mounting plate 34 is flushed with the first retaining ring 31 of the first centering pipe 3, so as to
It is abutted against on baffle plate 2 together with the first retaining ring of the first centering pipe 3, a wheel shaft 342 is provided between a pair of of mounting plate 34,
The directive wheel 33 is movably arranged on wheel shaft 342.In the present embodiment, the diameter of centering piano wire 5 is 0.75mm, and every right
The diameter of the centering through-hole of middle pipe is 1.2mm.
Two, baffle plate 2 is fastened on respectively in supporting groove 11.For the ease of adjusting the height of every piece of baffle plate 2, this reality
It applies in example and is provided with bed course in each supporting groove 11.
Three, every group of centering component is successively installed.It selects several for the pore on every piece of baffle plate 2, is used for
The pore of centering includes the first pore 21 and the second pore 22, and the first pore 21 was located at the outer end position of baffle plate 2 and in week
Upward uniform intervals arrangement；Second pore 22 is between same the first pore of two diametrically 21.The pipe of usual centering
The quantity in hole can determine that baffle plate is bigger according to the size of baffle plate 2, the first pore 21 of centering and the second pore 22
Quantity is more.
The installation steps of each centering component include: by the first tube body 31 of the first centering pipe 3 and the second centering pipe 4
Two tube bodies 41 are tightly inserted into respectively on the baffle plate 2 for being located at both ends in corresponding pore, then by centering piano wire 5 from the
It passes through and is sequentially passed through on every piece of baffle plate 2 after corresponding pore from first in second centering through-hole 411 of two centering pipes 4
It is pierced by first centering through-hole 311 of centering pipe 3.Stop member is set to tying up on middle piano wire 5 outside pipe 4 in second pair, is hindered
Stopper part block is in second pair outside the second retaining ring 42 of pipe 4.The stop member can be plate or pipe fitting, as long as ensuring
Its energy block is outer in the second retaining ring 42.
5 block of centering piano wire the leading in directive wheel 33 that will be pierced by from the first centering through-hole 311 of the first centering pipe 3
Into groove 331 so that the centering piano wire 5 of 3 one end of the first centering pipe around directive wheel 33 straight down, in pair straight down
The weight of bondage counterweight 6 on middle piano wire 5, counterweight 6 needs the centering piano so that between the first centering pipe 3 and the second centering pipe 4
Silk 5 is tightened.The piano wire 5 that diameter is 0.75mm preferably uses the quality of counterweight 6 for 15 kilograms~17 kilograms.By centering piano wire
5 purposes tightened are: the amount of deflection of centering piano wire 5 are reduced, so that it is guaranteed that the accuracy of centering adjustment.
Four, it checks the pore for being equipped with centering piano wire 5, adjusts the position of every piece of baffle plate 2, it is ensured that wear centering piano wire
5 and pore center deviation within ± 0.5mm.When checking that discovery pore center is greater than 0.5mm lower than centering piano wire, then
The baffle plate 2 where the pore is risen using jack, until the deviation between pore center and centering piano wire is allowing
In range, then 2 spot welding of baffle plate is fixed in supporting table 1.Find that pore center is higher by piano wire and is greater than when checking
When 0.5mm, then the height of corresponding baffle plate 2 is dropped in the range of deviation permission by way of withdrawing from bed course.
Five, several heat exchanger tubes are tried on baffle plate 2, such as every heat exchanger tube can sequentially pass through corresponding on all baffle plates 2
Pore, and the heat exchanger tube after the completion of wearing can rotate in pore, then judge that the centering work of 2 pore of baffle plate is completed.
The present invention has the advantages that one, centering tooling structure is simple, it is easy to make.Two, centering method it is simple and easy, can
It leans on, the pore centering on all baffle plates to facilitate wearing for heat exchanger tube, can be improved the efficiency that heat exchanger tube is worn,
The phenomenon that avoiding poling by force generation simultaneously, effective protection heat exchanger tube and baffle plate.
Claims (7)
1. the centering method of baffle plate pore in heat exchanger, comprising the following steps: one, production centering tooling, centering tooling include:
Supporting table and several centering components are spaced and are arranged in parallel with several supporting grooves in supporting table, and every piece of baffle plate can close-fitting
Conjunction is fastened in supporting groove, and each centering component includes: the first centering pipe, the second centering pipe and centering piano wire, often
Root centering Guan Jun includes tube body, and one end of tube body is provided with retaining ring, is offered in the axial direction of body central to middle through-hole, pipe
Physical efficiency tight fit is arranged in the pore of baffle plate, is provided with directive wheel on the outside of the retaining ring of the first centering pipe, directive wheel outer wall
Guiding groove is offered in circumferential direction, centering piano wire can pass through the centering through-hole of the first, second centering pipe, then in guiding groove
Guidance to by horizontal transition to straight down；Two, baffle plate is fastened in supporting groove respectively；Three, every group is successively installed
Centering component, the installation steps of each centering component include: that the tube body of the first centering pipe and the second centering pipe is close slotting respectively
Enter into corresponding pore on the baffle plate for being located at both ends, then wears centering piano wire from the centering through-hole of the second centering pipe
It crosses and sequentially passes through and be pierced by from the centering through-hole of the first centering pipe after corresponding pore on every piece of baffle plate, at second pair
It is tied up on centering piano wire outside middle pipe and sets stop member, stop member block, will be from first pair in second pair outside the retaining ring of pipe
The centering piano wire block being pierced by the centering through-hole of middle pipe is in the guiding groove of directive wheel, so that first pair of one end of the central tube
Centering piano wire around directive wheel straight down, straight down to bondage counterweight on middle piano wire, the weight of counterweight need so that
Centering piano wire between first centering pipe and the second centering pipe is tightened；Four, the pore for being equipped with centering piano wire, adjustment are checked
The position of every piece of baffle plate, it is ensured that wear the deviation at centering piano wire and pore center within ± 0.5mm；Five, on baffle plate
Try several heat exchanger tubes on, such as every heat exchanger tube can sequentially pass through corresponding pore on all baffle plates, and changing after the completion of wearing
Heat pipe can rotate in pore, then judge that the centering work of baffle plate pore is completed.
2. the centering method of baffle plate pore in heat exchanger according to claim 1, it is characterised in that: centering piano wire
Diameter is 0.75mm, and the diameter of the centering through-hole of every centering pipe is 1.2mm, and the quality of the counterweight is 15 kilograms~17,000
Gram.
3. the centering method of baffle plate pore in heat exchanger according to claim 1 or 2, it is characterised in that: rolled at every piece
Several pores for centering are selected in flowing plate, the pore for centering includes the first pore and the second pore, the first pore
Positioned at baffle plate outer end position and be evenly-spaced circumferentially arrangement；
First pore is located on a circumference of the same diameter in outer end position on baffle plate and the uniform intervals cloth on the circumference
It sets；Second pore is between same the first pore of two diametrically.
4. the centering method of baffle plate pore in heat exchanger according to claim 1 or 2, it is characterised in that: the first centering
Pipe and the connection structure of directive wheel include: a pair of of mounting plate, and every piece of mounting plate has a block support portion outwardly protruded, and first
The retaining ring of centering pipe is supported and fixed on the block support portion of a pair of of mounting plate, the lateral wall of the block support portion of a pair of of mounting plate
It is flushed with the retaining ring of the first centering pipe, so as to be abutted against on baffle plate together with the retaining ring of the first centering pipe, a pair of of mounting plate
Between be provided with a wheel shaft, the directive wheel is movably arranged on wheel shaft.
5. the centering method of baffle plate pore in heat exchanger according to claim 1 or 2, it is characterised in that: four steps
In, when checking that discovery pore center is greater than 0.5mm lower than centering piano wire, then use jack by the baffling where the pore
Plate is risen, until the deviation between pore center and centering piano wire is within the allowable range, then fixes the baffle plate spot welding
In supporting table.
6. the centering method of baffle plate pore in heat exchanger according to claim 1 or 2, it is characterised in that: each support
Bed course is provided in groove, when checking that discovery pore center is higher by piano wire greater than 0.5mm, then by withdrawing from the side of bed course
Formula drops to the height of corresponding baffle plate in the range of deviation permission.
7. the centering method of baffle plate pore in heat exchanger according to claim 1 or 2, it is characterised in that: the first centering
The pipe diameter of pipe and the second centering pipe is 0.2mm smaller than the diameter of pore on baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811608616.1A CN109732009A (en) | 2018-12-27 | 2018-12-27 | The centering method of baffle plate pore in heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811608616.1A CN109732009A (en) | 2018-12-27 | 2018-12-27 | The centering method of baffle plate pore in heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109732009A true CN109732009A (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811608616.1A Pending CN109732009A (en) | 2018-12-27 | 2018-12-27 | The centering method of baffle plate pore in heat exchanger |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944168A (en) * | 2012-11-07 | 2013-02-27 | 哈尔滨汽轮机厂有限责任公司 | Method for improving precision for piano wire to center |
| CN202836428U (en) * | 2012-10-31 | 2013-03-27 | 哈尔滨汽轮机厂有限责任公司 | Tool for centring intermediate pipe plate for heat exchanger of steam turbine |
| CN204711501U (en) * | 2015-06-25 | 2015-10-21 | 山西阳煤化工机械（集团）有限公司 | Heat exchanger heat-exchanging tube bundle pierces auxiliary mould |
| US20150367461A1 (en) * | 2013-01-31 | 2015-12-24 | Daikin Industries, Ltd. | Heat exchanger tube inserting apparatus |
| CN105202962A (en) * | 2015-10-27 | 2015-12-30 | 苏州天沃科技股份有限公司 | Support mechanism for heat exchange tube bundle in tubular heat exchanger shell pass cylinder |
-
2018
- 2018-12-27 CN CN201811608616.1A patent/CN109732009A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202836428U (en) * | 2012-10-31 | 2013-03-27 | 哈尔滨汽轮机厂有限责任公司 | Tool for centring intermediate pipe plate for heat exchanger of steam turbine |
| CN102944168A (en) * | 2012-11-07 | 2013-02-27 | 哈尔滨汽轮机厂有限责任公司 | Method for improving precision for piano wire to center |
| US20150367461A1 (en) * | 2013-01-31 | 2015-12-24 | Daikin Industries, Ltd. | Heat exchanger tube inserting apparatus |
| CN204711501U (en) * | 2015-06-25 | 2015-10-21 | 山西阳煤化工机械（集团）有限公司 | Heat exchanger heat-exchanging tube bundle pierces auxiliary mould |
| CN105202962A (en) * | 2015-10-27 | 2015-12-30 | 苏州天沃科技股份有限公司 | Support mechanism for heat exchange tube bundle in tubular heat exchanger shell pass cylinder |
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Application publication date: 20190510 |
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| RJ01 | Rejection of invention patent application after publication |