CN1312455C - Plate type heat exchanger - Google Patents
Plate type heat exchanger Download PDFInfo
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- CN1312455C CN1312455C CNB031346057A CN03134605A CN1312455C CN 1312455 C CN1312455 C CN 1312455C CN B031346057 A CNB031346057 A CN B031346057A CN 03134605 A CN03134605 A CN 03134605A CN 1312455 C CN1312455 C CN 1312455C
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Abstract
The present invention relates to a heat exchanging device for at least two kinds of mediums, particularly to a plate-type heat exchanger. W-shaped or S-shaped or V-shaped corrugation or straight-line corrugation which is inclined in the length direction of the plate is pressed on each plate of the present invention; the circumference of each plate is provided with upward flanging; the corresponding positions of the flanging positions of the opposite edge position of the plate are respectively provided with a section of gaps for the flowing of heat exchanging mediums into the surface. Each two adjacent plates are mutually arranged in the reverse direction of the reverse sides of the plates for forming a structure that the convexity of the corrugation of all plates are in crossed contact and the concavity are crosswise corresponding; the plates are welded together.
Description
Technical field
The present invention relates to a kind of device that makes two media at least carry out heat exchange, the heat-exchange device that particularly a kind of heat exchange medium is not in contact with one another.The present invention exactly is a kind of plate type heat exchanger, condenser, evaporimeter, reboiler, or reactor.The heat-exchanging component that the present invention is forever connected together by at least four ripply plates on it, be located at two outer pressure strips of heat-exchanging component, be used for fixing the bolt of two pressure strips, and be located on the heat-exchanging component at least two and heat transferring medium is entered respectively or flow out input unit in the heat-exchanging component and formations such as output device.
Background technology
For solving many deficiencies of tubular heat exchanger, produced stacked-plate heat exchanger.For example: the heat-exchangers of the plate type shown in the clear and 61-276691 of day disclosure special permission, and disclosed plate type heat exchanger such as Chinese invention patent application 99257539.7.This type of heat exchanger system is by constituting with the plate of concavo-convex ripple is stacked, have the hole, angle that flows into for medium on each plate, the encapsulant that has rubber or other material to make between plate, and be fixed with pressure strip and hold-down bolt, utilize clamping force to realize the sealing of each plate, between each plate, form prismatic runner.Because plate type heat exchanger adopts netted flow passage structure, make it have higher unit heat transfer space, can under low flow velocity, (Reynolds number=150～300) obtain the changeable flow direction, easier realization turbulent flow, higher heat transfer coefficient is arranged, and (its heat transfer coefficient is generally 3500～6000W/m
2K).But there is following deficiency in this class heat exchanger: one, and because of adopting rubber or similar material by the sealing between the coupling mechanism force realization plate of pressure strip, its common deficiency is that the withstand voltage of device can not be too big; Its two, because of being subjected to the restriction of encapsulant itself, this class plate type heat exchanger is unsuitable for using under hot environment; Its three, because of the characteristics of its structure, make the hole reinforcement of plate angle be difficult to handle, the contraposition that reaches seal groove between plate between the hole, angle is also more difficult, the difficulty of its manufacturing is higher, and its accuracy of manufacture requires relatively large, and owing to place's reinforcement not enough equipment in hole, angle easily leaks; Its four, when the temperature difference between heat transferring medium and pressure differential are big, cause inhomogeneous deformation between plate easily, cause failure of apparatus; Its five, be subjected to the no-failure operation life-span that influences plate type heat exchanger of encapsulant shorter relatively; Its six because heat exchanger flow depends on the medium fluid inlet angle pore diameter size of leaving on its plate, make it be used for the heat exchange of big flow medium and be subjected to certain limitation; Its seven, and its seal perimeter is long, makes its sealing reliability variation, joins to press the performance can not be too high; Its eight because heat exchange plate is thin, its bearing strength can not be too high, therefore also is not suitable for the heat exchange of high pressure medium, the heat exchange of more inapplicable gas-gas medium.
For solving the deficiency of existing plate type heat exchanger, Chinese invention patent application 96195969.2 discloses the heat exchanger that modes such as plate employing welding are for good and all connected together.Though this heat exchanger sealing reliability is greatly improved, its basic structure is still identical with the plate type heat exchanger that will state, has the some shortcomings of aforementioned plate type heat exchanger too.
For solving the deficiency that place, hole, plate type heat exchanger angle insufficient strength causes leakage, international patent application 98806568.1 disclosed plate type heat exchangers adopted very complicated structure at place, hole, angle.
China's utility model patent 88217708.7 and 00217648.3 discloses each plate flanging and the plate type heat exchanger that connects with welding manner.Particularly back one patent can be used for the high-temperature medium heat exchange, and can prolong its working life.But this heat exchanger is long-pending relatively big because of the plate cross section of fluid channel, therefore can cause laminar flow flow tendency increase in the runner, particularly when low reynolds number.On the other hand,,, can cause high-pressure medium plate runner cripling because of there not being constraint mutually between plate when this patent is used for the different heat exchange workplace of pressure medium, and the deficiency of low pressure medium runner depression.It can also be seen that from this patent documentation that in addition this device has the problem that heat transferring medium leaks,, need between the adjacent heat exchanger plates sheet, fill filler rod for addressing this problem.In fact embedded this filler rod can only adopt flexible materials such as rubber, and the plate sealing means of this solution and aforesaid traditional plate type heat exchanger have similar part, can exist too with not enough like traditional board-like heat exchanger-type.
China's utility model patent 01265997.5 discloses a kind of welded plate heat exchanger.This patent is that the heat exchange plate that is the ripple glaze shape is placed crest location with crest, again it is formed the plate bundle along corrugation length direction assembly welding, and forms runner between plate a plate interfascicular, forms runner between the pipe that is similar to tubulose in another plate interfascicular.This patent is owing to need not to offer the hole, angle, the deficiency that does not therefore exist place, hole, angle to leak on plate.Because this patent is to be welded as a whole along the plate length direction, the plate core body of this one and the thermal compensation ability between the heat exchanger shell when the temperature difference is big, may cause equipment leakage because of big thermal stress formation crackle is arranged between housing and tube core between the two.Secondly, this patent is welded along the ripple direction because of needs, therefore, ripple on its plate can only be rectilinear, the runner of Xing Chenging also can only be the linear runner thus, and medium flows in this linear runner and forms Laminar Flow easily, influences its heat exchange efficiency, estimate that from the drawing and the file content of this patent disclosure its heat exchange efficiency may be lower than existing netted stream plate type heat exchanger.The 3rd, between the plate in this patent structure, particularly between its plate runner one side is arranged also is unbraced structure, therefore the pressure differential when two kinds of heat transferring mediums is bigger, when perhaps two kinds of heat transferring medium temperature difference are big, can cause space change between plate, further influence heat exchange efficiency and effect, even cause device damage, and, make ability, rigidity and the intensity of its anti-bearing strain all relatively poor because of plate is generally thinner.The 4th, this patent also is unsuitable for the gas phase media heat exchange, because when the gas phase media heat exchange, heat transferring medium can produce condensation and form negative pressure in the condensation runner, for the plate of unbraced structure in the runner, aggravated the trend of plate distortion beyond doubt, even can cause equipment entirely ineffective.
Summary of the invention
The purpose of this invention is to provide a kind of novel heat-exchanger rig, this device can overcome the deficiencies in the prior art, can have the advantage of multiple heat exchangers such as tubular heat exchanger and existing plate-sheet-type simultaneously concurrently, can be applicable to the heat exchange of elevated pressures condition, also can under higher temperature conditions, work, but also going for the heat exchange of big flow medium, the present invention will have higher heat exchange efficiency, be applicable to device big to the medium temperature difference or that heat exchange is carried out in the bigger workplace of heat transferring medium pressure differential.
Implementation of the present invention is as follows:
Be pressed with W shape or S shape or V-arrangement ripple on the plate of the present invention, or the linear ripple that tilts with the plate length direction, around plate, have flanging upwards, make plate be plate-like, and the correspondence position at the flanging place of the opposite side position of plate respectively is useful on and make heat transferring medium flow into one section breach of this face.Convex ripple height on the plate equates with the height of flanging or is equal substantially, and convex portion is gone to the bottom concordant with the plate flanging under the plate.The set-up mode of each plate is: two adjacent plates are provided with mutually with reverse side and plate ripple direction reverse manner, and the projection that forms ripple on each plate contacted with protruding the intersection, and recess intersects corresponding with recess.Reverse side described here is that a plate is for positive in the two adjacent plates, and another plate then is a reverse side, and two plates contact with flanging in other words conj.or perhaps, and another plate is to go to the bottom with flanging to contact; And the ripple direction of the ripple direction that plate ripple direction oppositely is meant a plate in the two adjacent plates and another plate is opposite, that is, when a plate ripple be W to the time, another plate contacted with it be M to.Again each plate is fixed with welding manner, wherein: two plates that flanging is relative are fixing in the welding of flanging place, plate is fixing in the position welding of going to the bottom of two relative flangings relatively in addition for flanging, forms heat-exchanging component thus, and form the netted runner in space in the plate bundle of assembly.Through each intrafascicular gap position of plate of welding, be a kind of inflow and flow pass position of medium, and the flanging that each plate interfascicular the is not welded position of going to the bottom, be the inflow and the flow pass position of another kind of medium.Medium flow into or the channel position that flows out on fixedly guide tank and header box respectively.Guide tank of the present invention, header box preferably are fixed on the plate bundle with removably, and for example, position, fluid passage outside weld one tube sheet at plate bundle end face is fixed in header box and guide tank on the tube sheet with bolt again.
By as can be known to introduction of the present invention, the one side of each plate of the present invention a kind of fluid media (medium) that flows, and another side another fluid media (medium) that flows, and between plate with the welding manner sealing, can not produce the crossfire phenomenon of two media.The ripple of projection of contact of mutually intersecting in the plate forms the supporting construction between runner, can overcome because of between plate between two media pressure do not wait the stress that causes.Owing to be the runner that constitutes the complicated netted shape in space with two reverse plates of reverse side among the present invention, medium is the snakelike of irregular therein and flows simultaneously, and therefore the mobile turbulent flow of having aggravated in the runner of this irregular can improve the efficient of heat exchange.Because among the present invention is with pressure strip each heat-exchanging component plate bundle to be fixed, the medium that the end of plate bundle is fixed in the setting of water conservancy diversion header box is imported and exported the position, and each plate can adopt the commaterial manufacturing, therefore can not produce the deficiency that single unit system does not wait at the localized heat expansion compensation in the prior art.
In the heat-exchanging component of the present invention, can between per two plates, accompany one deck net, for example wire netting or nonmetal net.Because design feature of the present invention, the ripple boss that net is in contact with one another retrains firmly, and can not produce the problem that net moves with the media flow face.Accompany network structure between plate and quite in runner, be provided with the device that disturbs liquid medium, mobile being subjected to of medium further influenced, form more strong turbulent flow.On the other hand, because net, particularly Wang longitude and latitude crossover sites can become the core of the formation of bubble in the liquid medium, help the formation of bubble and overflow, these factors all can make heat exchanger effectiveness of the present invention higher.Certainly net also can form the bellows-shaped identical with plate in advance, when in plate, being provided with so that its apposition is fixed in the mode on plate surface, in this case, be equivalent to make the plate surface more coarse, can effectively destroy along the thermal resistance of the laminar sublayer of wall formation, strengthen the area of heat-transfer surface, can play the effect that improves heat exchanger effectiveness of the present invention equally.
Also can have small protruding particle or small depression on the corrugated surface of each plate of the present invention.These protruding particles or depression can use mechanical aspects (as punching press) or chemical mode (as etching) to form on the plate surface, also can be with modes such as sintering or spraying or sputter, bondings in the formation of plate surface.The particle that some can be had catalytic action under the more special situation in the plate surface, makes the present invention become the special reactor that has catalyst with the aforementioned manner apposition.The present invention can make the plate surface more coarse owing on the plate surface protruding particle or depression are arranged equally, can effectively destroy along the thermal resistance of the laminar sublayer of wall formation, has strengthened the area of heat-transfer surface, further improves heat exchange efficiency.When plate of the present invention surface has the catalyst pellets period of the day from 11 p.m. to 1 a.m, can go up the catalyst of formation and the high efficient heat exchanging efficient that the present invention itself has because of its surface, improve the speed of device internal reaction.
Can be covered with or be welded with a thin slice in addition on each plate of the present invention, the thin slice as nonmetallic materials are made perhaps directly welds a foil, and is evenly distributed with small holes on described thin slice.This structure not only makes heat exchanger plate surface roughness increase, form the more violent turbulent flow in surface, and these equally distributed apertures on thin slice can also become the complex that gas foam overflows in the flow media, help overflowing of gas in the medium, and because of the effect of plate turbulent surface flow, as easy as rolling off a log again these bubbles that overflow are taken out of, and can not be stored in these apertures.These apertures also play the even current stabilization effect of medium fluid that makes simultaneously.Therefore heat exchanger effectiveness of the present invention can further improve, and can move the noise that produces by reduction equipment.On the other hand, the thin slice that applies when other is when being fixed on the plate with welding manner, and quite the plate cross-sectional area increases, and can also suitably improve support strength and rigidity between plate.
The net that is adopted among the present invention; perhaps set minute protrusions particle or small depression on the plate; and the size of the aperture on the thin slice that applies in addition etc. can be 1 between tens of millimeters, and size that it is concrete and used net, sheeting should according to used medium and correlation circumstance be selected or test method is determined.
The sectional area of recessed portion can equate between epirelief corrugated portion sectional area on the plate of the present invention and two epirelief ripples, also can be unequal.The medium that the structure of this unequal section goes for two kinds of different flows carries out heat exchange, and the medium that makes big flow is through the heavy in section flow passage, and the medium of low discharge flows in the runner of small bore, can strengthen the heat exchange effect, reduces the pressure loss.
In the structure of plate bundle type heat exchanger of the present invention, the ripple on its heat medium runner plate sheet can be a homalographic along the area of section of media flow direction, also can be to increase gradually along the media flow direction.And the ripple area of section that constitutes the plate of cooling medium runner among the present invention can be prismatic along the media flow direction equally, also can be that sectional area reduces gradually.Ripple sectional area described here increases gradually or reduces gradually can be continuous even variation, also can be that concavo-convex ripple area of section segmentation changes.Structure when the sectional area segmentation of adopting concavo-convex ripple changes can lower manufacturing cost to a certain extent.The parameter of the parameter of concavo-convex ripple sectional area increase (reducing) or segmentation increase (reducing) depends on concrete medium situation among the present invention.After the present invention takes these technical measures, cooling medium is flowed because of its volume contraction forms to slow down in runner unlikely after the cooling, also can make simultaneously heated medium unlikely increase after heating be formed on the difficulty that flows in the runner, increase the fluid pressure loss because of its volume.When the present invention adopts the segmentation increase or dwindles the long-pending scheme of cross section of fluid channel, the pressing cost of its plate is reduced.
Can be provided with the deflector with holes that the axis with the medium inflow pipe is in tilted layout in the guide tank of the present invention.In guide tank, be provided with holes and be that the deflector that is in tilted layout can make the liquid that enters in the runner evenly distribute, and play the current stabilization effect.Because of the effect of deflector, the flow rate of liquid that enters guide tank is lowered to some extent simultaneously, the interior impurity of liquid can favourablely be arranged, reduce impurity because of directly entering the probability that causes runner to stop up in the plate runner at the guide tank bottom precipitation.
If corresponding several media flow pipes are set on guide tank of the present invention and header box separately, setting and media flow pipe are corresponding with a kind of medium and the isolated dividing plate of some runner in header box and guide tank, can carry out the heat exchange of (for example medium or more medium more than two kinds) between multiple medium with same table apparatus.For example, on a guide tank and the collecting pipe corresponding, respectively establish two media flow pipes with it, and in guide tank and header box, respectively establish a dividing plate, the fluid that a medium inlet pipe through guide tank is entered can only enter in a part of runner, and from corresponding header box medium effuser discharge, and can only under described spacer function, enter another part runner through the fluid that another medium inlet pipe enters, and discharge through another medium effuser of header box, this heats two or more multiple media simultaneously with regard to available same equipment or cools off.On the other hand, set dividing plate can also be done heat transferring medium multipaths design use.
Compared with prior art, the present invention has following advantage:
1, plate is fixed with welding manner in edge, and its bearing capacity is improved greatly, also goes for simultaneously the heat exchange requirement of high-temperature medium, and different fluids is in plate two side flow, therefore can not produce the deficiency that different medium is leaked mutually;
2, contact with boss between plate, recessed position is corresponding, makes between every laminar flow road and can both form supporting construction mutually, and anti-bearing capacity, rigidity and the intensity of whole device all obviously is better than prior art, so the weight of product can be lighter than prior art;
3, structure of the present invention from certain angle and the high-effect heat exchange of existing plate type heat exchanger roughly the same, therefore its heat exchange area is big, the multiple advantages that has kept existing plate type heat exchanger fully, as there is not a heat exchange dead band etc., simultaneously the medium that makes the runner of flowing through because of plate set-up mode of the present invention with more more complicated than prior art, that turbulent flow is more strong is mobile, so its heat exchange can be carried out more fully.In addition, because the present invention is provided with minute protrusions on the plate surface, or small depression, perhaps little hole, the roughness on plate surface is increased, can make liquid form more violent turbulent flow, because of the plate surface small holes structure is arranged simultaneously on the plate surface, can impel the gas in the liquid medium to overflow and evenly distribution, further improve the heat exchange efficiency of heat exchanger again.Calculating and correlation test according to theory show that the coefficient of heat transfer of the present invention can be up to 7500W/m
2K, its heat exchange reaction speed is exceedingly fast;
4, the present invention adopts two kinds of runners in unequal-area cross section, the medium that makes big flow is through the heavy in section flow passage, the medium of low discharge flows in the runner of small bore, carries out heat exchange with the medium that is applicable to different flow, for example the heat exchange of concentrated supply of heating in the city heating;
5, because the present invention has adopted along the runner of liquid traffic direction unequal section, can further improve heat exchange efficiency, and when using the present invention as evaporimeter or condenser, its effect will be better.But inventor's suggestion when the present invention is used as condenser or evaporimeter, preferably vertically is provided with condensation runner on the plate or evaporation runner;
6, thermal compensation performance height.The present invention does not have the constraint of housing, each plate bundle can adopt the same type of material manufacturing, and the header box guide tank is the end of being fixed in the plate bundle, therefore, can be with the freely-movable of expanding with heat and contract with cold of plate bundle, automatically realize thermal compensation, and can not produce the stress rupture problem between ubiquitous plate of prior art and housing;
7, heat waste of the present invention is little.Because cold and hot medium heat exchange of the present invention is directly to finish in the plate interfascicular, directly do not contact and have with the air in the external world, its outermost plate bundle is outer can directly to adopt the heat insulation insulation material to handle, and can reduce the loss of heat to greatest extent;
8, utilize the present invention can realize carrying out the heat exchange operation of multiple different medium at an easy rate with same table apparatus;
9, be also shown in from design feature of the present invention, its heat-exchanging component quite is a modular structure, its compact conformation, and the heat exchange area of unit volume is big.According to measuring and calculating, unit volume heat transfer area of the present invention can reach 150～2500m
2/ m
3
10, as seen from above-described structure, heat transferring medium flow size of the present invention depends on the runner gap size size that what and plate of plate bundle form, and the length of the increase and decrease of plate bundle quantity and plate (if can solving with the mode of segmentation compacting when the length of plate is longer) and width are not subjected to the restriction of any factor, therefore the present invention also is specially adapted to the heat exchange and the heat exchange of assembling large tracts of land equipment of big flow medium;
11, the present invention goes for the heat exchange of various conditions, for example liquid-liquid, or gas-gas, the perhaps heat exchange of liquid-gas etc., and can replace tubular heat exchanger, its working pressure range is vacuum～6MPa, and operating temperature range can reach 14～2600M at-200～800 ℃ of working flows
3/ hour, the assembling area of single device can reach 1～3000M
2/ platform is perhaps bigger;
12, when adopting dismountable confluxing during guide tank, the present invention can very easier removing deposit the interior dirt of guide tank, for example plate Shu Jinhang oneself is cleaned by strong eddy current, when used plate ripple is the linear ripple of inclination, can realize the removing of dirt and incrustation scale etc. in the plate, and the maintenance of equipment is also very convenient more conveniently;
When 13, employing is of the present invention, because of acerous hole on the plate, also just do not need alignment angle hole as prior art, therefore, the present invention will be lower than prior art to the requirement of its accuracy of manufacture, and only this point also can lower manufacturing cost and difficulty.
Description of drawings
Fig. 1 is an overall structure schematic perspective view of the present invention, Fig. 2 is a kind of sheet structure figure of the present invention, Fig. 3 is the vertical view of Fig. 2, Fig. 4 is the left view of Fig. 2, Fig. 5 is an A-A local location revolved sectional view among Fig. 2, Fig. 6 is plate of the present invention and header box, the combination schematic diagram of guide tank, the runner generalized section that Fig. 7 forms for plate welding back, Fig. 8 is the schematic diagram that spreads on the flake structure with holes on the plate, Fig. 9 is for forming the generalized section of runner after apposition on the plate has thin slice with holes, Figure 10 has the guide tank of a plurality of medium inflow pipes and the schematic diagram of part plate bundle.
In above figure: 1 is plate, 2 is heat-exchanging component (heat exchanger plates bundle), 3 is pressure strip, 4a and 5a are guide tank, 4b and 5b are header box, 6a, 6b and 7 is fluid and flows to or flow out the mouth of pipe, and 8 is the flanging at plate edge, and 9a and 9b are the breach (fluid is flowed into or flow out going into or exporting of plate line road) on the flanging, the 10th, the epirelief ripple of plate, the 11st, deflector with holes, the 12nd, dividing plate, the 13rd, the weld that flanging is gone to the bottom, 14 is the runner of first kind of medium, 15 (i.e. the zones of dark color among the figure) are the runner of second kind of medium, and 16 is the pressure strip set bolt, and 17 and 18 are respectively two medium fluid inflow pipes on the guide tank.
The specific embodiment
The present invention explains orally in conjunction with the accompanying drawings:
Referring to Fig. 1, the present invention forever is combined together to form heat-exchanging component 2 (heat exchanger plates bundle just) by plate 1.Plate face external application pressure strip 3 and bolt 16 in outermost end are fixing.Guide tank 4a, 5a and header box 4b, 5b are located at two mutual vertical end places of assembly 2 plate bundles respectively in the example that Fig. 1 provides.
Fig. 2 is first plate of a kind of chevron-shaped of heat exchange plate 1 of the present invention, and the ripple 10 of W shape is arranged on it, and flanging 8 is arranged on the periphery of plate 1, makes plate 1 be a pan that has a little edge.Respectively there are one section breach 9a and 9b in flanging place at the diagonal position of plate, and wherein 9a is positioned on the AB limit of plate 1, and 9b is positioned on the CD limit of plate 1, and this breach 9 is to be used to make heat transferring medium to flow into the import or export of this face, referring to Fig. 3.Second plate that matches with Fig. 1 plate among the present invention and structure ripple shown in Figure 2 and ripple direction are identical, but then the plate gap position in shown in Figure 2 is relative with 9b to be arranged in breach 9a on AB limit and the CD limit on it, promptly the breach 9a on second plate is positioned on the CD limit shown in Figure 2, and the breach 9b on second plate is positioned on the plate AB limit shown in Figure 2.It is two positions determining in plate assembling its liquid medium import of back and outlet that this different plate gap position just can satisfy the present invention.Be also shown in by Fig. 3 and Fig. 4, the height of the convex ripple 10 on the plate 1 equates with the height of flanging 8, and 1 time convex portion of plate to go to the bottom with plate flanging 8 be concordant, when mutually combining, two plates can guarantee that like this projection of its ripple contacts with projection, its recess is corresponding with recess, and its bottom or flanging can contact fully.If adopt when between two plates, accompanying the structure of net or thin slice with holes, should consider to make the interval that smaller sheet thickness or net thickness are arranged between raised corrugations height and flanging height, so that assembling.The long-pending sectional area greater than recessed portion between two epirelief ripples in the upper convex portion partial cross-section of plate ripple shown in Figure 2, according to the needs of practical application, the area of ripple epirelief and recessed portion also can equate certainly.In addition, the ripple area of section that plate can be made the heat medium runner on it increases gradually along the media flow direction, and cooling ripple area of section reduces gradually along the media flow direction.The plate runner increases gradually and reduces both can be to increase continuously long or reduce, and also can be that the segmentation of longshore current road increases or reduces.The plate ripple that the Fig. 2 that need specify provides is a W shape, but also can be S shape in the application of reality, or V-arrangement, even can be the straight line ripple that tilts with plate length.
The assembling welding of plate of the present invention is referring to Fig. 6.Its group mode is at first two adjacent plates to be provided with mutually with reverse side and plate ripple reverse manner, and welded together one by one.Being about to first plate (is the sheet structure that Fig. 2 provides, and be above face shown in Figure 2 is placed, (annotate: second plate is consistent with the ripple and the ripple direction of plate shown in Figure 2 with second plate, but the gap position on it and first plate position be relative to) winding board sheet AB limit rotates 180 degree, simultaneously 180 degree are rotated on the minor face BC limit on the winding board sheet again, again second plate button is put under first plate, be that bottom 13 with its flanging 8 is in contact with one another between first plate at this moment and second plate, and the ripple direction is opposite on two plates, promptly when ripple is W shape on first plate, ripple on second plate is a M shape, simultaneously the raised corrugations on first plate is intersected with the raised corrugations on second plate and is contacted, recess on two plates is corresponding with recess, and the breach on the two plate flangings 8 respectively is in identical position.With the bottom 13 of the flanging 8 of two plates along long limit AB and the mutual seam of CD, make fixing and sealing between two plates, projection that forms between two plates and protruding contact position form the supporting construction in the runner, and the recess of two plates is corresponding mutually with recess, form the runner of the netted runner in space complicated between plate, the short side part BC of seam and DA then are not the import and the outlet of fluid course between first and second plates between plate.At this moment promptly finished the assembling welding between first group two plates.Repeat aforesaid assembling welding, reach the quantity of designing requirement up to the plate groups quantity of assembling.Again each plate groups is assembled and promptly constitute heat-exchanging component of the present invention, just the heat exchanger plates bundle.Assembling welding between plate groups is referring to accompanying drawing 6 and accompanying drawing 7.With the heat exchanger that four plates are arranged is example, after first group of plate finished assembling, second plate groups placed on second plate of first plate groups, obvious second plate can only be to contact with flanging 8 with first plate between second plate groups, should be noted that the ripple direction between the 3rd plate (first plate of second plate groups just) of second of should note keeping making first plate groups this moment and second plate groups is provided with equally in the opposite direction, when promptly the ripple of second plate was M shape, the ripple of the 3rd plate was a W shape.Breach 9 on two groups of plates is to be in same position in this state.Second plate and the 3rd plate are carried out seam along flanging 8, make fixing and sealing between two plates, and the breach 9 of not seam on the plate becomes the passage that the media fluid runner flows into and flows out naturally, simultaneously raised corrugations and raised corrugations contact with web form and become the supporting construction in the runner between second plate and the 3rd plate between two plates, and the complex space runner between the corresponding formation plate with recess of the recess of each plate ripple.Be located at 9 the passages of breach on each plate flanging 8 for fluid course inflow or outflow between plate groups.Repeat each above step and each plate groups assembling can be welded into designing requirement heat-exchanging component (heat exchange plate bundle just).After whole plate bundle assembling welding is finished, fix with pressure strip 3 and bolt 16 at the two ends of plate bundle again, weld tube sheet and guide tank or header box etc. respectively at breach 9 places of plate bundle and the minor face place of plate again, use the end socket of bolting guide tank and header box again, can finish whole assembly working of the present invention.Finish runner profile in the heat-exchanging component 2 after the assembling referring to Fig. 7, wherein: 8 is the flanging weld, 13 then is flanging 8 bottoms and weld, because plate adopts is as shown in Figure 2 plate, the cross section of fluid channel that its plate both sides form is long-pending to be unequal, 14 is the heavy in section runner, and the darker regions shown in 15 then is the small bore runner.
About the welding between plate, inventor suggestion preferably adopts technologies such as the welding procedure of compression seam weldering or laser weld to weld, and can make weld seam pressure-resistant seal performance better like this.
The narrow meshed deflector 11 that tilts with the inlet pipe axis can be set, referring to Fig. 6 in guide tank of the present invention.
Basic structure of the present invention as mentioned above, when the plate that adopts different ripples promptly forms multiple different embodiment of the present invention.As: adopt two media runner uiform section long-pending (just epirelief ripple on the plate and following protruding ripple area equate) in the plate, perhaps the two media cross section of fluid channel is long-pending does not wait; The flow area that perhaps adopts longshore current body flow direction is a homalographic, perhaps adopts the flow area increase of longshore current body flow direction or the structure that reduces etc.
Several optimum examples of the present invention below is provided again:
At thin slice 17 (can be metal material, also can adopt nonmetallic materials) on open aperture 18, as shown in Figure 8, and the shape moulding of thin slice 17 being pressed plate 1, it is welded on the plate 1 in advance, also can be directly to spread on the plate 1, assemble by aforementioned assembling welding manner again, form section flow passage structure as shown in Figure 9.Because aperture 18 is arranged on the wall of small bore runner 15, make wall more coarse, can effectively overcome liquid flow is the laminar sublayer that produces at wall, further improves heat exchange efficiency of the present invention.If between plate, be covered with or directly accompany net, can play the effect identical too with aforementioned effect.
If the surface of used plate 1 forms small protruding particle or small depression in the mode of machinery or chemistry or physics, perhaps in the middle of plate, accompany net, also can realize the effect additional embodiments identical with a last embodiment.If the particle of at plate 1 adhering on surface is a catalyst, promptly can be with the present invention as reactor.
Figure 10 is the schematic representation of apparatus of carrying out heat exchange between three kinds of media, wherein guide tank is divided into two parts up and down at guide tank 4 inner-use clapboards 12, simultaneously heat exchanger plates bundle 2 also is divided into two parts up and down, wherein liquid inlet pipe 17 is with above a kind of medium lead-in plate bundle 2, and liquid inlet pipe 18 is with the lower part of second kind of medium lead-in plate bundle 2, so, can realize carrying out simultaneously the heat exchange operation of multiple medium with an equipment.
Claims (10)
1, a kind of plate bundle type heat exchanger, comprising: the heat-exchanging component (2) that forever connects together by at least four ripply plates (1) on it, be located at outer two pressure strips (3) of heat-exchanging component, the bolt (16) that is used for fixing two pressure strips, and be located on the heat-exchanging component (2) at least two and heat transferring medium is entered respectively or flow out input unit and output device in the heat-exchanging component (2), have flanging (8) upwards around the plate (1) of the straight flange ripple that it is characterized in that having on it W shape or S shape or V-arrangement ripple or tilt with the plate length direction, make plate (1) be plate-like, and the flanging place in the opposite side position of plate respectively is useful on the one section breach (9) that makes heat transferring medium flow into this face, the convex ripple height that is positioned on the plate equates substantially with the height of flanging (8), and convex portion is gone to the bottom concordant with plate flanging (8) under the plate, the set-up mode of two adjacent plates is that a plate is for positive, another plate then is a reverse side, the ripple direction is opposite with the ripple direction of another plate on while plate, the projection that forms ripple on each plate contacts with projection, recess is corresponding with recess, it is fixing that two plates that flanging is relative are located welding at flanging (8), the plate that flanging is not relative is fixing in the position welding of going to the bottom of two relative flangings (8), form heat-exchanging component (2), and in the plate bundle of assembly, forming the netted runner in space, the flanging that (9) position of breach on the plate bundle and plate interfascicular the are not welded position of going to the bottom is fixed with guide tank (5a respectively, 4a) and header box (5b, 4b).
2, plate bundle type heat exchanger according to claim 1 is characterized in that accompanying one deck net between two plates.
3, plate bundle type heat exchanger according to claim 1 is characterized in that also having small protruding particle or small depression on the corrugated surface of each plate.
4, plate bundle type heat exchanger according to claim 1 is characterized in that being covered with in addition on each plate or being welded with a thin slice, is evenly distributed with aperture on this thin slice.
5,, it is characterized in that the sectional area of recessed portion between the epirelief corrugated portion sectional area of plate (1) and two epirelief ripples does not wait according to claim 1 or 2 or 3 or 4 described plate bundle type heat exchangers.
6, plate bundle type heat exchanger according to claim 5 is characterized in that the plate ripple area of section that constitutes the heat medium runner increases gradually along the media flow direction.
7, plate bundle type heat exchanger according to claim 5 is characterized in that the plate ripple area of section that constitutes the cooling medium runner reduces gradually along the media flow direction.
8, plate bundle type heat exchanger according to claim 6 is characterized in that the plate ripple area of section that constitutes the cooling medium runner reduces gradually along the media flow direction.
9, plate bundle type heat exchanger according to claim 5 is characterized in that being provided with in the guide tank (5a, 4a) with medium and enters the deflector with holes (11) that the tubular axis line is in tilted layout.
10, plate bundle type heat exchanger according to claim 8, it is characterized in that being provided with two media flow pipes on guide tank and the header box separately at least, in header box and guide tank, be provided with at least a media flow pipe and the isolated dividing plate (12) of part runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031346057A CN1312455C (en) | 2003-09-15 | 2003-09-15 | Plate type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031346057A CN1312455C (en) | 2003-09-15 | 2003-09-15 | Plate type heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1598468A CN1598468A (en) | 2005-03-23 |
| CN1312455C true CN1312455C (en) | 2007-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031346057A Expired - Fee Related CN1312455C (en) | 2003-09-15 | 2003-09-15 | Plate type heat exchanger |
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| Country | Link |
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| CN (1) | CN1312455C (en) |
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| DE102007049925B4 (en) * | 2007-10-18 | 2012-10-31 | Federal-Mogul Sealing Systems Gmbh | Welded metal gasket |
| CN101672587B (en) * | 2009-09-28 | 2011-05-04 | 南京宜热纵联节能科技有限公司 | Gas-phase plate type heat exchanger |
| CN102230402B (en) * | 2011-05-25 | 2013-09-04 | 北京京海华诚能源科技有限公司 | Application of heat exchange plate bundle group in low-enthalpy and low-boiling point working medium power generation system |
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| FR3087881B1 (en) * | 2018-10-24 | 2020-09-25 | Air Liquide | PROCEDURE FOR THE MANUFACTURE OF A SERIES OF AT LEAST A FIRST AND A SECOND HEAT EXCHANGERS |
| CN109737533A (en) * | 2019-02-22 | 2019-05-10 | 珠海格力电器股份有限公司 | Plate type heat exchanger and air-conditioning with flow-guiding structure |
| CN110514041A (en) * | 2019-08-23 | 2019-11-29 | 兰州兰石换热设备有限责任公司 | Nuclear power system plate heat exchanger core |
| EP4148367A1 (en) * | 2021-09-08 | 2023-03-15 | Valeo Autosystemy SP. Z.O.O. | A plate heat exchanger |
| CN114917842B (en) * | 2022-06-14 | 2023-06-02 | 北京化工大学 | Metal hydride hydrogen storage reactor with wave-shaped fin structure and hydrogen storage method thereof |
| CN116336841A (en) * | 2023-03-31 | 2023-06-27 | 佛山市顺德区鑫雷节能设备有限公司 | Plate heat exchanger and manufacturing method thereof |
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| CN1598468A (en) | 2005-03-23 |
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