CN102209874B - Displaceable baffle for a heat exchanger and method for reducing vibration of the same - Google Patents
Displaceable baffle for a heat exchanger and method for reducing vibration of the same Download PDFInfo
- Publication number
- CN102209874B CN102209874B CN200980145022.4A CN200980145022A CN102209874B CN 102209874 B CN102209874 B CN 102209874B CN 200980145022 A CN200980145022 A CN 200980145022A CN 102209874 B CN102209874 B CN 102209874B
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- China
- Prior art keywords
- pipe
- plate
- tube bank
- blacked
- tube
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0131—Auxiliary supports for elements for tubes or tube-assemblies formed by plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/30—Safety or protection arrangements; Arrangements for preventing malfunction for preventing vibrations
Abstract
A tube bundle device having at least one displaceable baffle which supports the tubes in the bundle device is disclosed in order to reduce tube vibration. The displaceable baffle includes at least two displaceable portions, which can be moved to installed position such that tubes in a tube bundle are deflected.
Description
Technical field
The present invention relates to such as heat exchanger, condenser and similarly there is the tube bundle device of the fluid treating plant of pipe or the aggregate of rod type element, for example, in the device of the aggregate such as nuclear reactor, chemical reactor, electric heater or any parallel columnar shape, this aggregate has the fluid stream through pipe or other elements.Particularly, the present invention relates to use in conjunction with tube bank displaceable dividing plate or the supporting construction that provides a supporting role and reduce vibration with each pipe in tube bank.The invention still further relates to for reducing the method for vibration of the tube bank of heat exchanger.
Background technology
Tube bundle devices, for example, adopts the pipe of combination bunchy such as shell and tube heat exchanger and other similar fluid treating devices (flow plug and air deflector), to guide fluid through equipment.In this tube bank, the outside that fluid conventionally not only flows through the inside of pipe but also cross pipe.The configuration of the pipe in tube bank is fixed by wherein having fixed the tube sheet of pipe.A kind of common configuration of pipe is rectangle or square form, pipe that wherein pipe is arranged to arrange row, and this pipe arranging comes the tube passage (straight line path between pipe) between every couple or row with orthogonal arrangement.With this form, except the periphery in tube bank, each pipe contiguous eight other pipe and directly with to stride across the corresponding pipe that the row of being managed and two adjacent tubes arrange the tube passage separating relative.In triangular tube formation, the pipe in alternate tube row is arranged in each other and makes each pipe adjacent to six other pipes (two adjacent tubes are in same pipe row, and four pipes are in two adjacent tubes rows).
In existing interchanger, the increase of production capacity is for by reducing that equipment size reduces fund cost or normally expectation for increasing productivity factor.Conventionally the limiting factor being subject to when evaluating the increase of speed of heat exchanger is the possibility of the vibration damage pipe that causes of flowing.At pipe fluid flow pattern around, may cause the mobile vibration that causes the regular or irregular oscillation property in tube bank, and for example wherein in the situation that the device of the heat exchanger occur conducting heat between pipe and surrounding fluid, when fluid is when pipe circulates and be mobile, in the change aspect speed, temperature and the density of fluid, may increase the possibility of vibration around.If these vibrations reach certain critical amplitude, may cause the damage of pipe.If heat exchange equipment is changed original pipe with the pipe of different materials, if for example relatively hard material is used compared with the pipe of lightweight, substitute, vibration problems may worsen.When making equipment in stricter lower time of operation requirements, for example when other existing equipments are upgraded and before gratifying heat exchanger under new condition, become while being easy to suffer flow the vibration causing, the vibration causing of flowing also may occur.Even under certain conditions, in heat exchanger is still flowing stream but while occurring to conduct heat, and in the stream that flows, in the situation that being with or without heat transfer, have in other tube bundle devices of aggregate of rod or rod type element, may run into vibration.
Develop multiple different equipment and be designed for solution vibration problems.An example is excellent baffle design.Rod baffle heat exchangers is to utilize excellent dividing plate to carry out stay pipe pipe is fixing to prevent the shell and tube heat exchanger of vibration.Term " dividing plate " refers to the cage of placing every about 15cm along tube bank length, wherein the end of a plurality of support sticks is coupled together to form the pipe supporting construction of cage shape; Therefore be called term " excellent dividing plate ".But excellent dividing plate interchanger is often than conventional shell-tube type interchanger price approximately 30% to 40%, and had following state, wherein such tube bundle device is because the vibration causing of flowing is broken down.Rod dividing plate must have point-device size.If the rod in excellent dividing plate is undersize slightly, pipe will tremble so.If rod slightly size is too large, the filling of pipe will be very difficult and expensive so.Rod baffle heat exchangers is such as the United States Patent (USP) 4,342,360 people such as Gentry; The United States Patent (USP) 5,388,638 of Gentry; The United States Patent (USP) 5,553,665 of Gentry; And be described in the United States Patent (USP) 5,642,778 of Gentry.
As at United States Patent (USP) 5,553, described in 665, some application of excellent baffle design, for example gas compression application can be benefited from longitudinal flow, and wherein the pressure loss of shell-side is minimized.Thereby the reduction of the pressure loss of shell-side can reduce by increasing the spacing of excellent dividing plate the quantity of excellent dividing plate to be realized, or realize by reducing the quantity of pipe, the quantity that wherein reduces pipe is by increasing tube pitch size, and the distance between two adjacent tubes rows that Ji Congguan center is measured realizes.Increasing clapboard spacing is not gratifying selection conventionally, because the clapboard spacing increasing has increased the possibility that the mobile tube vibration causing occurs.This excellent baffle design has represented a kind of trial that solves the problem of pressure drop of excellent dividing plate configuration.
A kind of optional design is " egg case " support structure designs.Yet this design is even more expensive than excellent baffle design.The same with excellent baffle design, egg case is also easy to be subject to may causing managing the pipe vibration of fault.Vibration is that pipe is owing to existing gap to collide the motion of supporting construction between supporting construction and pipe external diameter.When structure tube bank, need gap, to allow pipe to insert through egg case supporting construction.
Except good equipment design, also can adopt other means to reduce tube vibration.Pipe bracing or strutting arrangement or pile tube as these bracing or strutting arrangements are known (and relating in this manual), and can be installed in tube bank to control the flow vibration causing the excessive movement that prevents pipe.A large amount of pipe supporting constructions or pile tube have been suggested and have been commercially available.For example, the United States Patent (USP) 4,648,442 of Williams, the United States Patent (USP) 4 of Hahn, 919,199, the United States Patent (USP) 5,213 of Hahn, 155 and the United States Patent (USP) 6,401,803 of Hahn described and can be inserted in tube bank to reduce dissimilar pile tube or the pipe supporting construction of vibration.
In addition, improved pile tube is also shown in the people's such as Wanni the U.S. Patent No. 7,032,655 that is entitled as " nuvistor supporting construction (Anti-Vibration Tube Support) ".Have been found that aspect use by the pile tube of the people such as the Wanni instruction vibration in reducing tube bank effective especially.These are being particularly useful aspect existing tube bank of improvement.The U.S. Patent application No.11/905 people's such as the Wanni that disclosure is clearly incorporated herein by reference common pending trial and common transfer, that exercise question is " tube bundle device (Reduced Vibration Tube Bundle Device Having Slotted Baffles) that reduces vibration with fluting dividing plate ", 694 disclose with trough of belt dividing plate and have been supported on the pipe in tube bank, as shown in Figures 1 to 4.As U.S. Patent No. 7,032, disclosed pipe supporting pile is used to make each pipe skew in 655, contact, thereby makes dividing plate and stake stay pipe reduce to vibrate in combination, as shown in Figure 1 with trough of belt dividing plate.Yet, need in the situation that not using pile tube, (particularly to for example use) reduce the vibration in tube bank in new tube bank.
Summary of the invention
One aspect of the present invention is to provide the tube bundle device (for example, heat exchanger) with at least one displaceable dividing plate, the pipe in this displaceable membrane support tube bundle device.The use of term is used by way of example.The invention is intended to be not limited to pipe; But can expect, rod and other heat transfers or fluid flow elements may be utilized and be considered to completely within the scope of the invention.
One aspect of the present invention is to provide a kind of improved tube bundle device, and it provides the pipe supporting role of increase to reduce vibration.Tube bundle device comprises housing and is positioned at the tube bank of housing.Tube bank has a plurality of pipes, and Guan Yiguan arranges layout parallel to each other.Pipe can be arranged with conventional rectangular configuration or conventional triangle configuration.Tube bundle device comprises at least one displaceable supporting clapboard.Each displaceable supporting clapboard has a plurality of holes that are formed on wherein.The size in hole is configured to receive at least one pipe through described hole.Various holes configuration is considered.Hole can be dimensioned to receive single pipe through described hole.Hole can be formed stretches elongate slots to receive a plurality of pipes, as the U.S. Patent application No.11/905 of the common pending trial that is entitled as " tube bundle device (Reduced Vibration Tube Bundle Having Slotted Baffles) that reduces vibration with fluting dividing plate " of submitting on October 3rd, 2007, disclosed in 694, the full content of this patent application is incorporated to herein by reference.Hole can be formed by being fixed on the elongate slots of stretching that the elongation shape rod of cage or bar form, if title is the U.S. Patent No. 7 of " tube bank that vibration reduces (Reduced Vibration Tube Bundle) ", 219,718 and U.S. Patent No. 7,073, disclosed in 575, the whole of the disclosure of these two patents are incorporated to herein by reference.
According to the present invention, each displaceable supporting clapboard has at least first and second portion, and wherein said part can be optionally shifted between the second installation site through the pipe skew in a plurality of holes being convenient to locate the first loading position of displaceable supporting clapboard in tube bank and making.Be provided with at least one first securing member, with by described partial fixing or maintain the first loading position.After the desired locations of the axle along tube bank is located displaceable supporting clapboard, become flexible or remove described at least one first securing member, to allow described part to be relative to each other displaced to the second place.But the first securing member can maintaining described part primary importance can be removed to allow described transposition of partial to the suitable securing member of the second place for fixture, screw, bolt or any other when being mounted.Meaning is sought for, and described part can be close together or further separate in the second installation site, as long as be offset through the pipe of displaceable supporting clapboard.Be provided with at least the second securing member, with by described partial fixing or maintain the second installation site.The second securing member can be fixture, screw, bolt, weld part or any other described part is maintained to the suitable securing member of the second installation site.The present invention is not intended to be defined to first and second portion, but has considered any amount of part more than two, as long as described part can relative to each other be shifted to provide the skew of pipe necessity in tube bank.
According to a further aspect in the invention, between described part, be provided with at least one insert, so that necessary spacing to be provided between described part, pipe be offset by described part.The second securing member is subsequently for being fixed on its correct orientation by described part and insert.
According to a further aspect in the invention, combine at least one stationary barrier and use displaceable supporting clapboard.Each stationary barrier has a plurality of holes, and the size in described a plurality of holes is configured to receive at least one pipe through described hole.Above-mentioned at least one stationary barrier and at least one displaceable supporting clapboard are spaced apart along the longitudinal axis of tube bank.Preferably, each displaceable supporting clapboard and adjacent stationary barrier are spaced apart.Utilize this arrangement, when displaceable supporting clapboard is arranged on its second installation site, manage by the enough amounts of skew, make pipe also contact stationary barrier, further stablize thus the pipe in tube bank and reduce vibration.
According to another aspect of the invention, the displaceable supporting clapboard for the intrafascicular a plurality of pipes of stay pipe is disclosed.Displaceable supporting clapboard comprises at least the first plate and the second plate.Each plate has a plurality of holes that are formed on wherein.Displaceable supporting clapboard has for plate being fixed on together at least one first fastener assembly of the first loading position.Displaceable supporting clapboard also comprises for plate being fixed on together at least one second fastener assembly of the second installation site.
Another aspect of the present invention is to provide a kind of method that supports tube bank, and tube bank has a plurality of pipes of the row's of pipe layout parallel to each other and the longitudinal axis extending in the direction that is in substantially parallel relationship to a plurality of pipes.Described method comprises along longitudinal axis at least one displaceable supporting clapboard is positioned in tube bank.Each displaceable supporting clapboard has a plurality of holes that are formed on wherein, and the size in described a plurality of holes is configured to receive at least one pipe in pipe through described hole.Each dividing plate has two or more parts, and wherein each part of some in a plurality of holes is positioned at wherein.The method also comprise make described part relative to each other be displaced to installation site and by described partial fixing in installation site.When described part is relative to each other shifted, the pipe that passes displaceable dividing plate is offset.
Accompanying drawing explanation
Now in connection with accompanying drawing, describe the present invention, identical Reference numeral is described identical element in the accompanying drawings, in the accompanying drawings:
Fig. 1 is according to the schematic diagram of the tube bank with at least one displaceable supporting clapboard of embodiment of the present invention;
Fig. 2 is according to the schematic diagram of the displaceable supporting clapboard of embodiment of the present invention;
Fig. 3 is the version of the displaceable supporting clapboard of Fig. 2;
Fig. 4 is another version of the displaceable supporting clapboard of Fig. 2;
Fig. 5 A is the another version that has the displaceable supporting clapboard of Fig. 2 of a plurality of horizontally disposed grooves according to of the present invention;
Fig. 5 B is another version with the displaceable supporting clapboard of Fig. 5 A of more than one parallel divider passages;
Fig. 6 is the side view that has the tube bundle device of the displaceable supporting clapboard in loading position according to of the present invention;
Fig. 7 is according to the side view of the tube bundle device of Fig. 6 with the displaceable supporting clapboard in an installation site of the present invention;
Fig. 8 is the schematic diagram that has the displaceable supporting clapboard of clamping device according to of the present invention;
Fig. 9 is the schematic diagram that has the displaceable supporting clapboard of another clamping device according to of the present invention;
Figure 10 is according to the side view of the tube bundle device of Fig. 6 with the displaceable supporting clapboard in another installation site of the present invention;
Figure 11 has size and sets the schematic diagram that pipe is received in to the displaceable supporting clapboard of a plurality of openings wherein for according to of the present invention;
Figure 12 be according to of the present invention have form size and set the schematic diagram of displaceable supporting clapboard that pipe is received in to a plurality of rods of a plurality of grooves wherein for;
Figure 13 is the schematic diagram that has the fixing supporting clapboard of the vertical slots for restraining according to of the present invention;
Figure 14 is the schematic diagram that has the fixing supporting clapboard of the level trough for restraining according to of the present invention; And
Figure 15 is according to the schematic diagram for the blocking-up dividing plate of restraining of the present invention.
The specific embodiment
Now in connection with accompanying drawing, the present invention is described in more detail.Applicant shows, the term " level " using in conjunction with the present invention and " vertical " are intended to the datum mark with respect to the orientation of the miscellaneous part of dividing plate as all parts of description dividing plate.This term is not the orientation that will describe dividing plate or form the parts of the dividing plate in heat exchanger.Meaning is sought for, and tube bundle device 1 can have a kind of in multiple orientation in use.Therefore, tube bundle device conventionally can be flatly, become any angle ground directed vertically or with respect to level.
Fig. 1 shows the tube bank with a plurality of dividing plates that separate.Tube bank 10 is a part for tube bundle device 1 (for example, heat exchanger or other suitable heat transfer components).Tube bank 10 is included in a plurality of parallel pipes 11 that extend between a pair of tube sheet 13 and 14.Tube bank 10 is mounted in surrounding's shell or housing 20 of tube bundle device 1.Conventionally, fluid flows and to carry out through the inner side of pipe 11 and the outside that strides across pipe 11 in housing 20.Tube bank 10 is provided with dividing plate, to reduce to restrain the 10 interior vibrations that cause and guide flowing of fluid into pipe 11 away from housing 20 of flowing.
Fig. 2 shows displaceable supporting clapboard 300.Displaceable dividing plate 300 comprises that size is set for and receives pipe 11 to reduce a plurality of holes of vibration.Displaceable dividing plate 300 comprises a plurality of grooves 36.Groove 36 is arranged to corresponding with the pipe row who restrains the pipe 11 in 10.On dividing plate 300, be provided with the rib 37 of a plurality of vertical extensions.Each rib 37 vertically extends between groove 36.Each rib 37 preferably has than the slightly little thickness of spacing between adjacent tubes 11 in tube bank 10.The invention is not restricted to vertical slots; But the level trough 46 as shown in Fig. 5 A and Fig. 5 B is considered to completely within the scope of the invention.For horizontally extending groove 46, be provided with a plurality of horizontally extending ribs 47.Each rib 47 flatly extends between groove 46.Each rib 57 preferably has than the slightly little thickness of spacing between adjacent tubes 11 in tube bank 10.Yet, the present invention is not intended to be defined to use vertical slots 36 or level trough 46, but considered other holes, include but not limited to level trough, size set for receive single pipe 11 opening 371 (as shown in figure 11) and by be fixed to cage 374 stretch that elongate bars or rod 373 form stretch elongated opening 372 (as shown in figure 12).Meaning is sought for, and receiving each pipe 11 can be preferred hole configuration through the use of the opening 371 of opening 371.
Blacked-out areas 34 around outer perimeter is configured to make towards pipe 11, inwardly change direction from any bypass flow between outermost pipe 11 and the internal diameter of housing 20.Vertical slots 36 is received in pipe 11 wherein.Dividing plate 30 comprises a plurality of notches 32 and 33 that are formed on wherein.Notch 32 is dimensioned, to receive therein tie-rod (tie bar) 5.Notch 33 is dimensioned to receive therein slide bar (skid bar) 6.Slide bar 6 is provided in during housing 20 is inserted in tube bank 10 guarantees supporting role.Notch 32 and 33 guarantees that dividing plate 300 remains on correct orientation.Tie-rod 5, slide bar 6, displaceable dividing plate 300, stationary barrier 30 and 40 (if use) and blocking-up dividing plate 60 (if use) form rigid cage together, are convenient to like this pipe of tube bank 10 11 to insert in housing 20.
Conventionally, tube bank 10 comprises at least one divider passages, if this divider passages is divided into the pipe 11 in tube bank 10 group of individual separation.Divider passages does not comprise any pipe 11.Divider passages can have level orientation and vertical orientations.The fluid that flows through divider passages does not contact the heating surface of pipe 11.Therefore, wish by the mobile change direction of the fluid in tube bank 10 away from divider passages towards pipe 11, to improve, conduct heat.Displaceable dividing plate 300 comprises at least one divider passages blacked-out areas 35 and 310, so that the fluid in the housing of heat exchanger 1 flows, changes direction towards the pipe 11 of tube bank 10.Above-mentioned a plurality of hole is set on the opposite side of blacked-out areas 35 and 310.
According to the present invention, the displaceable dividing plate 300 of aspect has been divided at least two separated parts 320 and 330 by the divider passages 301 along in divider passages blacked-out areas 310.Divider passages 301 forms by dividing plate 300 is cut into two sections.This can realize by laser cutting or other suitable cutting methods.The original shape of dividing plate 300 (before dividing plate being cut into two sections or multistage) can be slightly larger than the shape of expectation, make to be cut into two sections and after installation site at dividing plate 300, dividing plate 300 has the outer perimeter with the consistent size of the interior circumference of housing 20.Also meaning is sought for, and part 320 and 330 can be formed separated two sections.Part 320 to be loaded in tube bank 10, makes dividing plate 300 can suitably be arranged on the position of expectation in tube bank 10 together with 330 are fixed to.As shown in Figure 8, can be with displaceable clamp assembly 350 by described partial fixing together, so that dividing plate 300 to be correctly installed.Once dividing plate 300 is correctly positioned and pipe is loaded, remove clamp assembly 350.Dividing plate 300 has orientation as shown in Figure 6.Pipe 11 is received within and in hole and between part 320 and 330, has a little space 360.
Can realize in one of two ways the reinforcement of the pipe 11 in tube bank 10, thereby reduce vibration.Once dividing plate is correctly positioned in tube bank 10 and has removed clamp assembly 350 in greater detail below dividing plate 300 and other, part 320 and 330 can closely move to the position shown in Fig. 7 or Fig. 9.In this arrangement, the hole contact pipe 11 in dividing plate 300, makes to manage 11 to bias internal.The skew of pipe causes reinforcement, and this reduces vibration.Can utilize and along the suitable weld part of divider passages 301, suitable clamping device 370, nut-bolt fastening component 380 or any other suitable securing member, part 320 and 330 is fixed together, as long as such securing member maintains its correct installation site in the operating period of heat exchanger 1 by part 320 and 330.
Alternatively, once dividing plate 300 and other dividing plates are correctly positioned in tube bank 10 and clamp assembly 350 has been removed, part 320 and 330 can be moved further and be separated into the position shown in Figure 10.In this arrangement, dividing plate 300 can have smaller original shape, makes when dividing plate 300 is during in installation site, and the outer perimeter of dividing plate 300 is substantially corresponding with the interior circumference of housing.By using crane, jack etc. that two parts are moved a little away from each other and the insert 390 (it can be formed by metal band) being suitably shaped being placed in the space 391 between two parts 320 and 330 of dividing plate 300, realize the minute movement of two parts 320 and 330.Once the power applying by crane or jack is removed, by pipe 11 power that apply, insert 390 is remained on to appropriate location; Equally, same power will produce bending force on pipe, thus reinforced pipe.Two parts can be organized fixture with another and are welded to each other or interfix, operating period to provide extra rigidity in tube bank.In this arrangement, the hole contact pipe 11 in dividing plate 300, makes to manage 11 skews outwardly.Part 320 and 330 can be utilized insert 390 and maintain in such orientation.Part 320 and 330 can be soldered to insert 390.Also meaning is sought for, and can adopt clamping device 370 or any other suitable securing member to fix part 320 and 330, as long as such securing member maintains its correct installation site by part 320 and 330.Importantly, the thickness of insert 390 should be slightly larger than the thickness in the space 391 cutting out in dividing plate 300.For example, if the groove cutting out 391 for 3mm wide, insert 390 can be approximately 6 or 7mm thick.
Fig. 5 A shows displaceable supporting clapboard 400.Displaceable dividing plate 400 comprises that size is set for and receives pipe 11 to reduce a plurality of holes of vibration.Displaceable dividing plate 400 comprises a plurality of grooves 46.Groove 46 is arranged to corresponding with the pipe row who restrains the pipe 11 in 10.On dividing plate 400, be provided with a plurality of horizontally extending ribs 47.Each rib 47 horizontal-extending between groove 46.Each rib 47 preferably has than the smaller thickness of spacing between pipe 11 adjacent in tube bank 10.Groove 46 can or be stretched elongated opening 372 and replace with opening 361, as mentioned above.
Blacked-out areas 44 around outer perimeter is configured to make towards pipe 11, inwardly change direction from any bypass flow between outermost pipe 11 and the internal diameter of housing 20.Level trough 46 is received in pipe 11 wherein.Dividing plate 400 comprises a plurality of notches 32 and 33 that are formed on wherein.Notch 32 is dimensioned to receive therein tie-rod 5.Notch 33 is dimensioned to receive therein slide bar 6.Slide bar 6 is provided in during housing 20 is inserted in tube bank 10 guarantees supporting role.Notch 32 and 33 guarantees that dividing plate 400 remains on correct orientation.Together with tie-rod 5, slide bar 6, displaceable dividing plate 300 and 400, stationary barrier 30,40 (if necessary) and blocking-up dividing plate 60 (if necessary), form rigid cage, it is conducive to the pipe of tube bank 10 11 to insert in housing 20.
Displaceable dividing plate 400 comprises at least one divider passages blacked-out areas 45, so that the fluid in the housing of heat exchanger 1 flows, changes direction towards the pipe 11 of tube bank 10.Above-mentioned a plurality of hole is set on the opposite side of blacked-out areas 45.According to the present invention, the displaceable dividing plate 400 of aspect has been divided at least two separated parts 420 and 430 by the divider passages 401 along in divider passages blacked-out areas 45.Divider passages 401 forms by dividing plate 400 is cut into two sections.This can realize by laser cutting or other suitable cutting methods.Be similar to dividing plate 300, the original shape of dividing plate 400 (before dividing plate being cut into two sections or multistage) can be slightly larger than when the more close shape desired when mobile of part 420 and 430, make to be cut into two sections and after installation site at dividing plate 400, dividing plate 400 has the outer perimeter with the consistent size of the interior circumference of housing 20.Be similar to dividing plate 300, original shape can be slightly smaller than the shape when part 420 and 430 is moved further separately in installation site.In some cases, heat exchanger 1 can not have divider passages.This can occur in the heat exchanger of single tube side.In this arrangement, wish to comprise that false divider passages (that is, making the width of tube passage increase) cuts into two section or multistage along divider passages 401 by dividing plate to allow on displaceable dividing plate.What wish is that (interchanger for example with single tube side) do not comprise false divider passages when there is no divider passages, or is not having divider passages life period to hope divider passages.Fig. 5 B shows has the divider passages 701,702 of more than and 703 displaceable dividing plate 700, and the divider passages of described more than is by dividing plate 700 parts 710,720,730 and 740.
Part 430, together with 430 are fixed to, to be loaded in tube bank 10, makes dividing plate 400 can correctly be positioned at the position of the expectation in tube bank 10.As shown in Figure 8, displaceable clamp assembly 350 can for by described partial fixing together so that dividing plate 400 to be correctly installed.Dividing plate 400 has orientation as shown in Figure 6.Pipe 11 is received within and in hole and between part 420 and 430, has a little space 360.Once dividing plate 400 is correctly positioned and manages 11 and is loaded, clamp assembly 350 is removed.
Can realize in one of two ways the reinforcement of the pipe 11 in tube bank 10 to reduce vibration.Once dividing plate is correctly positioned in tube bank 10 in greater detail below dividing plate 400 and other, pipe 11 is loaded and has removed clamp assembly 350, and part 420 and 430 can closely move to the position shown in Fig. 7 or Fig. 9.In this arrangement, the hole contact pipe 11 in dividing plate 400, makes to manage 11 to bias internal.This reinforced pipe 11 is to reduce vibration.Can utilize and along the suitable weld part of divider passages 401, suitable clamping device 370, nut-bolt fastening component 380 or any other suitable securing member, part 420 and 430 is fixed together, as long as such securing member maintains its correct installation site in the operating period of heat exchanger 1 by part 420 and 430.
Alternatively, once dividing plate 400 and other dividing plates are correctly positioned in tube bank 10, pipe 11 is loaded, and clamp assembly 350 is removed, and part 420 and 430 can be moved further and be separated into the position shown in Figure 10.In this arrangement, dividing plate 400 can have smaller original shape, makes when dividing plate 400 is during in installation site, and the outer perimeter of dividing plate 400 is substantially corresponding with the interior circumference of housing.Two parts 420 and 430 minute movement realize by using crane, jack etc. that two parts are moved a little away from each other and the insert 390 (it can be formed by metal band) being suitably shaped being placed in the space 391 between two parts 420 and 430 of dividing plate 400.Once the power applying by crane or jack is removed, by pipe 11 power that apply, insert 390 is remained on to appropriate location; Equally, same power will produce bending force on pipe, thus reinforced pipe.Two parts can be organized fixture with another and are welded to each other or interfix to provide extra rigidity in tube bank operating period.In this arrangement, the hole contact pipe 11 in dividing plate 400, makes to manage 11 skews outwardly.Part 420 and 430 can be utilized insert 390 and maintain in such orientation.Part 420 and 430 can be soldered to insert 390.Also consider, can adopt clamping device 370 or any other suitable securing member to fix part 420 and 430, as long as such securing member maintains its correct installation site by part 420 and 430.
According to the present invention, displaceable dividing plate 300 and 400 is not limited to two displaceable parts 320,330 and 420,430; But two or more displaceable part is considered to completely within the scope of the invention.Fig. 3 shows the dividing plate 500 with three displaceable parts.Dividing plate 500 comprises extra divider passages 302.Fig. 4 shows the dividing plate 600 with four displaceable parts.Dividing plate 600 comprises extra divider passages 303 in addition.Displaceable part can relative to each other be shifted and can be fixed in the above described manner correct loading position.Other configurations are considered to completely within the scope of the invention.And various holes configuration is considered to be suitable for dividing plate 500 and 600.When a plurality of holes are groove, divider passages 401 is parallel to groove conventionally, makes when described part is shifted, and groove can make to manage 11 displacements, as shown in Figures 2 and 4.For example, when being provided with more than one divider passages (, as shown in Fig. 3,4,5B), hole configuration must allow when described part is relative to each other shifted, and pipe also can be shifted.In Fig. 5 B, divider passages 701,702 and 703 is parallel to each other.Utilize this arrangement, Kong Nengwei stretches elongate slots, and this is stretched elongate slots and is parallel to divider passages extension, makes the displacement of described part 710,720,730 and 740 to cause the suitable skew of pipe.The elongate slots of stretching of extending perpendicular to divider passages will not cause the suitable skew of pipe.In this case, when intention realizes more than one direction of displacement, the use of opening 371 may be optimal hole.
According to the present invention, displaceable dividing plate 300 and 400 can separate along the length of tube bank 10, to reduce vibration.Also meaning is sought for, and displaceable dividing plate can be only arranged on needs to reduce those positions of vibration (end of for example, restraining).The present invention is not intended to be confined to use separately displaceable dividing plate 300 and 400.
According to the present invention, displaceable dividing plate 300 and 400 can be used in conjunction with at least one stationary barrier 30 or 40 (as shown in Figure 13 and 14) and at least one blocking-up dividing plate 60 (as shown in figure 15).Figure 13 shows the stationary barrier 30 with groove.Although stationary barrier 30 is shown having vertical slots, the present invention is not intended to be defined in the dividing plate only with groove; But, as other configurations of describing in conjunction with displaceable dividing plate 300 are above considered to completely within the scope of the invention.Stationary barrier 30 has for managing the 11 a plurality of vertical slots 36 that provide a supporting role to reduce vibration.Blacked-out areas 34 is configured to: make inwardly to change direction towards pipe 11 from any bypass flow between outermost pipe 11 and the internal diameter of housing 20.Vertical slots 36 is received in pipe 11 wherein.Dividing plate 30 comprises a plurality of notches 32 and 33 that are formed on wherein.The size of notch 32 is set for tie-rod 5 is received in wherein.Conventionally, tie-rod and slide bar were soldered to dividing plate before filling pipe.In situation of the present invention, this is not too applicable for displaceable dividing plate.By contrast, tie-rod and slide bar will and make to be soldered to displaceable dividing plate after partition part displacement after having loaded pipe.Stationary barrier and blocking-up dividing plate (if use) can be soldered to tie-rod and slide bar before filling pipe, thought that bundle cage provides enough rigidity.The invention is not restricted to use tie-rod; But the use (as shown in figure 11) of conventional pull bar (tie rod) 380 can be used.When utilizing pull bar 380, it is crooked together with pipe 11 that pull bar can be allowed to be displaced to filling department timesharing at displaceable dividing plate.On the other hand, it is bigger that the hole for pull bar in stationary barrier can be made, and the bending energy of pull bar is reduced during the displacement of displaceable dividing plate.The size of notch 32 is configured to slide bar 6 to be received in wherein.Slide bar 6 is guaranteed supporting role during being provided in tube bank 10 being inserted to housing 20.Notch 32 and 33 guarantee displaceable dividing plate 300, stationary barrier 30 and 40 and blocking-up dividing plate 60 (the following describes) maintain correct orientation.Tie-rod 5, slide bar 6 and dividing plate 300,30,40 form rigid cage together with 60, and this is conducive to restrain the insertion of 10 pipe 11.Dividing plate 30 comprises at least one divider passages blacked-out areas 35 and towards the pipe 11 of tube bank 10, changes direction so that the fluid in the housing of heat exchanger 1 flows.Groove 36 is arranged to the pipe row corresponding to the pipe 11 in tube bank 10.On dividing plate 30, be provided with the rib 37 of a plurality of vertical extensions.Each rib 37 vertically extends between groove 36.Each rib 37 preferably has than the smaller thickness of spacing between the adjacent tubes 11 of tube bank 10.
Have that to provide a supporting role to reduce the stationary barrier 40 of level trough 46 of vibration shown in Figure 14 in order to restrain pipe 11 in 10.Be similar to dividing plate 30, dividing plate 40 is configured to make to leave in the pipe 11 in outside of tube bank 10 and the direction of flow in the gap between the inner surface of housing 20 change direction towards the pipe 11 of tube bank 10, leaves housing 20 and outwards leaves divider passages towards pipe 11.Dividing plate 40 has blacked-out areas 44.Blacked-out areas 44 has with blacked-out areas 34 similarly constructs.Dividing plate 40 also comprises at least one divider passages blacked-out areas 45.Dividing plate 40 comprises a plurality of level troughs 46.Groove 46 is arranged on the opposite side of divider passages blacked-out areas 35.Groove 46 is dimensioned to receive and support the pipe 11 of tube bank 10.On dividing plate 40, be provided with a plurality of horizontally extending ribs 47.Each rib 47 extends between groove 46.
When displaceable dividing plate 300,400 and stationary barrier 30,40 comprise when receiving the groove of pipe through it, can utilize blocking-up dividing plate 60, as shown in figure 15.Blocking-up dividing plate 60 is configured to inwardly towards the pipe 11 of tube bank 10, and the divider passages of leaving housing 20 and outwards leaving tube bank guides fluid stream.Each dividing plate 60 comprises blacked-out areas 64 and divider passages blacked-out areas 65.Blacked-out areas 60 does not provide a supporting role restraining 10 pipe 11.
Now will the assembling of tube bundle device 1 be described in more detail.Utilize tie-rod 5, slide bar 6, displaceable dividing plate 300 and 400 and dividing plate 30,40 and 60 construct the rigid cage of tube bank 10.By tie-rod 5 and slide bar 6 being fixed on to corresponding groove 32 and the 33 interior rigid cage that form of dividing plate 30,40 and 60.Preferably by welding or other suitable bindiny mechanisms, tie-rod 5 and slide bar 6 are fixed in groove 32 and 33.Displaceable dividing plate 300 and 400 should not be soldered to tie-rod and slide bar, until two parts are just welded after being shifted and being fixed on final position.Displaceable dividing plate 300 and 400 and stationary barrier 30 and 40 with expectation intervals open.Dividing plate can have stationary barrier and displaceable dividing plate is adjacent to the alternate mode of locating.Vertical displaceable dividing plate is the displaceable dividing plate of contiguous level location preferably.At least one blocking-up dividing plate 60 can be between dividing plate, as shown in Figure 1.
Once assemble rigid cage, the pipe 11 of tube bank 10 can be inserted in this cage.By the opening that pipe 11 is inserted through dividing plate, pipe 11 is loaded in tube bank 10.After pipe 11 is positioned in cage, the part of displaceable dividing plate is moved to installation site, as described above.Subsequently, by described partial fixing in installation site.Tube sheet 13 and 14 can be fixed to the end of tube bank 10.This realizes by the end of each pipe 11 is welded or is otherwise fixed to tube sheet.As discussed above, at least one tube sheet is fixed.When using U-shaped pipe, meaning is sought for and is made the end of pipe can be fixed to a pair of tube sheet 13, is fixed to a fixing tube sheet 13 and a unsteady tube sheet 14, or is fixed to a fixing tube sheet 13, makes the two ends of pipe be fixed to same tube sheet 13.By beam tube 10 being slided in housing along slide bar 6, the tube bank 10 of having assembled is inserted in housing 20.Once tube bank 10 is interior by correctly directed at housing 20, tube sheet 13 is fixed to housing 20.
To those skilled in the art obviously, in the situation that not departing from scope of the present invention, can make various modifications and/or variation.Thereby be contemplated that the present invention contains the modifications and variations to apparatus and method herein, as long as they fall in the scope of appended claims and equivalent thereof.
Claims (26)
1. a tube bundle device, comprising:
Tube bank, described tube bank has a plurality of pipes, and described Guan Yiguan arranges layout parallel to each other; And
At least one displaceable supporting clapboard, described at least one displaceable supporting clapboard has a plurality of holes that are formed on wherein, and the size in wherein said a plurality of holes is configured to receive described at least one in described pipe pipe through described hole,
Wherein each displaceable supporting clapboard has at least first and second portion, and the part in wherein said a plurality of holes is arranged on described first, and the another part in described a plurality of holes is arranged on described second portion,
Wherein at least described first and described second portion are arranged on and are convenient to described displaceable supporting clapboard to be positioned to the first loading position in described tube bank in described tube bank and make the second installation site through the described pipe skew in described a plurality of holes, and
For described first being fixed in described the second installation site at least one securing member of described second portion.
2. tube bundle device as claimed in claim 1, wherein said first and described second portion in described the second installation site than being close together in described the first loading position.
3. tube bundle device as claimed in claim 1, wherein said first and described second portion in described the first loading position than being close together in described the second installation site.
4. tube bundle device as claimed in claim 2 or claim 3, wherein said at least one securing member is a kind of in weld part, fixture and releasable securing member.
5. tube bundle device as claimed in claim 3, also comprise be positioned between described first and described second portion, in order to described first and described second portion are remained on at least one insert of described the second installation site.
6. the tube bundle device as described in any one in claim 1-3 and 5, also comprises:
At least one stationary barrier, described at least one stationary barrier has a plurality of holes that are formed on wherein, and the size in each hole in wherein said a plurality of holes is all configured to receive at least one pipe in described pipe through described hole.
7. tube bundle device as claimed in claim 6, also comprise housing, wherein said tube bank is received within described housing, each in wherein said stationary barrier there is outer perimeter and be formed on described outer perimeter and described a plurality of hole between blacked-out areas, the size of wherein said blacked-out areas is configured to be positioned in the gap between described housing and the outboard tube of described tube bank.
8. tube bundle device as claimed in claim 7, wherein said tube bank has at least one divider passages of separating a part for described pipe for described tube bank and another part of the described pipe of described tube bank, wherein each stationary barrier has the divider passages blacked-out areas being formed on wherein, and wherein the size of each divider passages blacked-out areas is configured to be received within the corresponding divider passages of described tube bank.
9. tube bundle device as claimed in claim 8, wherein said tube bank has longitudinal axis, and wherein said at least one displaceable supporting clapboard and described at least one stationary barrier are spaced apart along described longitudinal axis.
10. tube bundle device as claimed in claim 9, wherein each displaceable supporting clapboard and adjacent stationary barrier are spaced apart.
11. tube bundle devices as described in any one in claim 1-3 and 5, wherein said tube bank has at least one divider passages of separating a part for described pipe for described tube bank and another part of the described pipe of described tube bank, wherein each displaceable supporting clapboard has the divider passages blacked-out areas being formed on wherein, wherein the size of each divider passages blacked-out areas is configured to be received within the corresponding divider passages of described tube bank, wherein said divider passages blacked-out areas has first component and the second component on described second portion in described first.
12. tube bundle devices as claimed in claim 11, wherein said a plurality of holes are a plurality of isolated grooves.
13. tube bundle devices as claimed in claim 12, wherein said a plurality of grooves are parallel to substantially described divider passages blacked-out areas and extend.
14. tube bundle devices as claimed in claim 13, wherein each displaceable supporting clapboard also comprises:
A plurality of ribs, wherein each ribs is arranged essentially parallel to described a plurality of groove extension.
15. 1 kinds of displaceable supporting clapboards for the intrafascicular a plurality of pipes of stay pipe, comprising:
The first plate, described the first plate has a plurality of holes that are formed on wherein, and wherein each hole is suitable for receiving a pipe in described a plurality of pipe through described hole;
The second plate, described the second plate has a plurality of holes that are formed on wherein, and wherein each hole is suitable for receiving a pipe in described a plurality of pipe through described hole;
Each in wherein said the first plate and described the second plate there is outer perimeter and be formed on described outer perimeter and described a plurality of hole between blacked-out areas;
The first fastener assembly, described the first fastener assembly is in the first loading position, described the first plate being fixed to described the second plate, to allow described pipe to insert through described a plurality of holes; And
The second fastener assembly, described the second fastener assembly is in the second installation site, described the first plate being fixed to described the second plate, so that be offset through the described pipe in described a plurality of holes.
16. displaceable supporting clapboards as claimed in claim 15, each in wherein said the first plate and described the second plate has divider passages blacked-out areas, the size of wherein said divider passages blacked-out areas is configured to be positioned in the divider passages in tube bank, the described divider passages blacked-out areas location on contiguous described the second plate of described divider passages blacked-out areas on wherein said the first plate.
17. displaceable supporting clapboards as claimed in claim 16, wherein said the first fastener assembly is positioned in the described divider passages blacked-out areas of described the first plate and described the second plate.
18. displaceable supporting clapboards as claimed in claim 16, wherein said the second fastener assembly is positioned in the described divider passages blacked-out areas of described the first plate and described the second plate.
19. displaceable supporting clapboards as claimed in claim 16, wherein said a plurality of holes are a plurality of parallel grooves, wherein the size of each groove is configured to locate therein at least one pipe.
20. displaceable supporting clapboards as claimed in claim 19, wherein said a plurality of grooves are in substantially parallel relationship to described divider passages blacked-out areas and extend.
21. displaceable supporting clapboards as claimed in claim 19, wherein said a plurality of grooves extend perpendicular to described divider passages blacked-out areas substantially.
22. 1 kinds of methods that support tube bank, the longitudinal axis that described tube bank has a plurality of pipes and extends in the direction that is in substantially parallel relationship to described a plurality of pipes, described Guan Yiguan arranges layout parallel to each other, and described method comprises:
Along described longitudinal axis, at least one is positioned in described tube bank according to displaceable supporting clapboard described in any one in claim 15-21;
Make described the first plate be displaced to installation site with respect to described the second plate; And
Described the first plate is fixed to described the second plate, makes described the first plate and described the second plate remain on installation site.
23. methods as claimed in claim 22, wherein make described the first plate make the described pipe skew through described a plurality of holes with respect to described the second plate displacement.
24. methods as claimed in claim 23, wherein make described the first plate be included between described the first plate and described the second plate and insert insert with respect to described the second plate displacement.
25. methods as claimed in claim 22, also comprise:
Along described longitudinal axis, at least one stationary barrier is positioned in described tube bank, each in wherein said at least one stationary barrier has a plurality of holes that are formed on wherein, and the size of each in wherein said a plurality of holes is configured to receive at least one pipe in described pipe through described hole.
26. methods as claimed in claim 25, wherein each stationary barrier and adjacent displaceable supporting clapboard are spaced apart.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/269,193 | 2008-11-12 | ||
| US12/269,193 US20100116478A1 (en) | 2008-11-12 | 2008-11-12 | Displaceable baffle for a heat exchanger and method for reducing vibration for the same |
| PCT/US2009/006093 WO2010056335A1 (en) | 2008-11-12 | 2009-11-12 | Displaceable baffle for a heat exchanger and method for reducing vibration of the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102209874A CN102209874A (en) | 2011-10-05 |
| CN102209874B true CN102209874B (en) | 2014-08-13 |
Family
ID=41665606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980145022.4A Expired - Fee Related CN102209874B (en) | 2008-11-12 | 2009-11-12 | Displaceable baffle for a heat exchanger and method for reducing vibration of the same |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20100116478A1 (en) |
| EP (1) | EP2364425B1 (en) |
| JP (1) | JP2012508859A (en) |
| CN (1) | CN102209874B (en) |
| CA (1) | CA2743208C (en) |
| MY (1) | MY157565A (en) |
| WO (1) | WO2010056335A1 (en) |
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| DE102011054984A1 (en) * | 2011-11-02 | 2013-05-02 | Wilhelm Deller GmbH & Co. KG | Support for a tube bundle and thus provided heat exchanger |
| CN102852613A (en) * | 2012-09-05 | 2013-01-02 | 周峰 | Thin pipe locating device for exhaust pipe waterproof device |
| US20140116360A1 (en) * | 2012-10-31 | 2014-05-01 | Westinghouse Electric Company Llc | Method and apparatus for securing tubes in a steam generator against vibration |
| CN103245230B (en) * | 2013-05-17 | 2016-03-02 | 南京德邦金属装备工程股份有限公司 | A kind of shell-and-tube heat exchanger of low vibration |
| CN104713403B (en) * | 2013-12-12 | 2018-01-05 | 珠海格力电器股份有限公司 | It is a kind of to support board fixing structure and there is its case tube heat exchanger |
| CN104197750B (en) * | 2014-09-23 | 2017-11-21 | 大连葆光节能空调设备厂 | Wedge-shaped pipe heat exchanger |
| RU2579788C1 (en) * | 2014-12-30 | 2016-04-10 | Открытое акционерное общество "АКМЭ - инжиниринг" | Device for spacing pipes of heat exchange unit (versions) |
| KR200483843Y1 (en) * | 2015-10-07 | 2017-07-04 | 동서메탈(주) | High Efficiency Electric Boiler |
| CN105547038B (en) * | 2016-01-14 | 2024-01-05 | 万隆新材(北京)科技有限公司 | Anti-vibration structure and method for condenser tube bundle |
| US10323888B2 (en) * | 2016-04-18 | 2019-06-18 | Corrosion Monitoring Service Inc. | System and method for installing external corrosion guards |
| RU2639439C1 (en) * | 2016-10-10 | 2017-12-21 | Ямилев Марат Мунаварович | Tube-and-shell heat exchanger with curved tubes |
| KR20180063659A (en) * | 2016-12-02 | 2018-06-12 | 비에이치아이 주식회사 | Tube sealing structure of platen super header |
| US10502451B2 (en) * | 2017-05-02 | 2019-12-10 | Rheem Manufacturing Company | Diffuser plates and diffuser plates assemblies |
| US10451365B2 (en) * | 2017-06-02 | 2019-10-22 | Rheem Manufacturing Company | Tube sheets and tube sheet assemblies |
| DE102018001548A1 (en) * | 2018-02-28 | 2019-08-29 | Sgl Carbon Se | Tube bundle heat exchanger and tube sheet and method for sealing the same |
| RU182526U1 (en) * | 2018-04-16 | 2018-08-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | MULTI-WAY SHELL-TUBE HEAT EXCHANGER |
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- 2009-11-12 CN CN200980145022.4A patent/CN102209874B/en not_active Expired - Fee Related
- 2009-11-12 EP EP09760648.7A patent/EP2364425B1/en not_active Not-in-force
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Also Published As
| Publication number | Publication date |
|---|---|
| CA2743208A1 (en) | 2010-05-20 |
| MY157565A (en) | 2016-06-30 |
| CN102209874A (en) | 2011-10-05 |
| EP2364425A1 (en) | 2011-09-14 |
| US20100116478A1 (en) | 2010-05-13 |
| WO2010056335A1 (en) | 2010-05-20 |
| EP2364425B1 (en) | 2017-09-13 |
| CA2743208C (en) | 2016-10-18 |
| JP2012508859A (en) | 2012-04-12 |
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