CN109708494A - A kind of shell and tube exchanger - Google Patents
A kind of shell and tube exchanger Download PDFInfo
- Publication number
- CN109708494A CN109708494A CN201910010015.9A CN201910010015A CN109708494A CN 109708494 A CN109708494 A CN 109708494A CN 201910010015 A CN201910010015 A CN 201910010015A CN 109708494 A CN109708494 A CN 109708494A
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- heat exchanger
- tube
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- 239000003507 refrigerant Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention discloses a kind of shell and tube exchanger, heat exchanger tube passes through fluidic plate, extend in shell, the sealing of shell both ends, heat exchanger tube flows outside refrigerating medium, internal flow refrigerant, refrigerating medium passes through the jet via-hole being arranged in fluidic plate, it is ejected on heat exchange pipe external surface, complete heat exchange, fluidic plate section shows bowed shape, fluidic plate first end face and third end face are plane parallel to each other, second end face is an inclined-plane, first end face is located at marginal position, third end face is located at medium position, it is connected by second end face with first end face, edge is provided with jet via-hole perpendicular to end face tangential direction in second end face, heat exchanger tube fixed hole is provided on third end face, jet via-hole.Using the technical solution, since the jet direction at edge and intermediate jet via-hole is not parallel, refrigerating medium mixes at the heat exchanger tube for being set to boundary, forms the disturbance of liquid, to improve the heat exchange efficiency of this part heat exchanger tube, reaches whole and improves heat exchange efficiency effect.
Description
Technical field
The invention belongs to a kind of heat exchangers, and in particular to a kind of shell and tube exchanger.
Background technique
The shell and tube exchanger that field of air conditioning uses at present, generally taking mode is that heat exchanger tube passes through baffle plate, refrigerating medium
It being flowed outside heat exchanger tube, the gap being made up of baffle plate and shell, curve bypasses baffle plate, flows through heat exchange pipe external surface, and
It completes to exchange heat with heat exchanger tube.
For this mode there are refrigerating medium flow velocity is slower, there is a kind of shell and tube exchanger afterwards in the not high defect of heat exchange efficiency,
Baffle plate is replaced using fluidic plate, is provided with the jet hole parallel with heat exchanger tube axis in fluidic plate, in fluidic plate edge and shell
Wall sealing, refrigerating medium, to heat exchanger tube forced jet mode, is exchanged heat by jet hole, since flow velocity is higher, so that heat exchange effect
Rate greatly improves.
But this mode, since fluidic plate takes same plane structure, entire plate face is uniformly provided with the circle of same specification
Jet via-hole, therefore there is the refrigerating for leading to that through-hole is sprayed in entire plate face since pressure is inconsistent everywhere in plate face for refrigerating medium
Agent flux and flow velocity are inconsistent, and especially marginal portion flow is less, and flow velocity is lower, and heat exchanger tube PARALLEL FLOW, so that this portion
The heat exchange efficiency of point heat exchanger tube is not high, so that combined influence is to shell and tube exchanger heat exchange efficiency.
Summary of the invention
In order to overcome drawbacks described above, the present invention proposes a kind of shell and tube exchanger, including heat exchanger tube, shell and fluidic plate,
The fluidic plate is built in the enclosure interior, and edge and the inner walls fit closely, and the heat exchanger tube passes through fluidic plate,
Extend in the shell, the shell both ends sealing, the heat exchanger tube flows outside refrigerating medium, internal flow refrigerant carries
Cryogen is ejected on the heat exchange pipe external surface by the jet via-hole being arranged in fluidic plate, complete refrigerating medium and refrigerant it
Between heat exchange, the fluidic plate section shows bowed shape, and the fluidic plate is divided into first end face, second end face and third end face,
The first end face and third end face are plane parallel to each other, and the second end face is an inclined-plane, and the first end face is located at
Marginal position, the third end face are located at medium position, are connected by the second end face with first end face, the second end face
Upper edge is provided with jet via-hole perpendicular to end face tangential direction, and it is logical that round heat exchanger tube fixation hole, jet stream are provided on the third end face
Hole, the fluidic plate protruding portion is towards refrigerating medium flow direction.
Further, the fluidic plate is disc-shaped structure with the level.
Further, standing screw through-hole is uniformly provided in the first end face.
Further, in the fluidic plate heat exchanger tube fixation hole, jet via-hole and standing screw through-hole with the jet stream
The center of circle of plate is basic point, is evenly arranged along scattered rays.
Further, on the third end face, less than in 3/4 distance of third end face overall diameter, the jet stream is logical
The benchmark circular hole that bore dia is 2~4 millimeters, remaining described jet via-hole diameter are 1~1.25 times of benchmark Circularhole diameter.
In third end face, peripheral part jet via-hole is greater than middle section jet via-hole, is due to jet stream plate face refrigerating medium pressure
Power is distributed in marginal portion and is less than middle section, and same aperture will cause marginal portion refrigerating medium circulation less than middle part
Point, by properly increasing the jet stream aperture of marginal portion, it can reach and improve this part streams flow, so that entire end face
Jet flow even results.
Further, the second end face inclined plane shape is plane or curved surface.
Further, the second end face and third end face section angle α angle are greater than 90 degree, and less than 180 degree.
Further, the shape of through holes opened up in the second end face is round, ellipse or bar shaped.
Further, the second end face jet via-hole flow cross-section areas is the benchmark jet via-hole of the third end face
1.5~2 times of flow cross-section areas.
The jet hole of second end face setting, it is not parallel with the jet direction of the jet hole of third end face, form certain folder
Angle can to flow through the refrigerating medium being arranged in outside the heat exchanger tube of marginal portion, since flowing angle is inconsistent, at heat exchanger tube
Mixed fluid can form disturbance flowing, and reach the heat transfer effect improved between this part heat exchanger tube and refrigerating medium.
Simultaneously as the jet via-hole flow cross-section areas of second end face is greater than third end standard jet hole flow area
Area enables there are the blocking that the impurity of the larger particle inside heat exchanger more passes through fluidic plate, avoids due to penetrating
Flowing plate through-hole is too small and is stopped, and can reach so that the effect that this part heat exchanger tube heat exchange efficiency of accumulation of foreign matter normally plays
Fruit.
In addition, the jet via-hole flow cross-section areas due to second end face is greater than third end standard jet hole flow area
Area, moreover it is possible to play the role of improving the amount of jet that this part streams passes through, to reach the uniform flow effect of fluidic plate jet hole
Fruit.
Further, spring fixed hole is also provided on the third end face, the spring fixed hole is disposed in proximity to described
Jet via-hole center top.
Further, spring spirally-wound, in the fluidic plate concave surface, insertion spring fixed hole in one end is simultaneously solid
Fixed, the other end is deep into the jet via-hole.
It is inserted into spring in jet hole, the power of jet hole can be flowed through using refrigerating medium, so that spring shakes in jet hole
It is dynamic, reach and jet hole foreign matter is often removed by the shaking of spring, avoids jet hole foreign matters from being blocked, the effect to keep clear for a long time
Fruit.
Simultaneously as the shaking of spring is inserted into jet hole, but also the refrigerating medium for flowing through jet hole generates certain journey
The disturbance of degree when so that refrigerating medium flowing through heat exchanger tube, can reache a certain level the effect for improving the thermal efficiency on the basis of original heat exchange
Fruit.
In addition, the spring of insertion, can also play the effect for adjusting jet flow to a certain extent.
Further, the spring diameter is 0.2~0.5 millimeter.
Further, at the fluidic plate second end face back side, the diffusing of annular is provided with along the jet via-hole edge
Cone.
In order to avoid the refrigerating medium projected by second end face jet hole, flow to before heat exchanger tube, due to from heat exchanger tube away from
From between farther away through-hole meeting and closer through-hole, if guided without runner, it will cause and interfere with each other and generate invalid vortex,
The inefficiency loss of promotion refrigerating medium mobilization dynamic is caused, such as forms endless loop in some region refrigerating medium, therefore diffusing is set and is bored,
The setting of scattering cone forms similar tubaeform flaring, makes the refrigerating medium for drawing jet hole by loudspeaker at jet stream aperture edge
Mouthful conduct spread runner, gradually slowly diffusion, eventually flows on heat exchanger tube and third end face is horizontally disposed penetrates in flaring
The refrigerating medium of discharge orifice outflow mixes at heat exchanger tube, since the angle of outflow is different, disturbance is formed at heat exchanger tube, to reach
It avoids reducing the inefficiency loss for pushing refrigerating medium mobilization dynamic, and improves heat exchanger tube heat exchange efficiency effect.
Further, it is individually socketed heat exchanger tube fin outside the every heat exchanger tube, and fitted closely, the heat exchange tube fin
Piece is triangular plate shape, shows ratchet-like, and heat exchange pipe outer wall to the outer peripheral height in triangular fin tip is socket heat exchanger tube radius
0.5~1 times, fin thickness be 0.25~0.5 millimeter.
Upper heat exchange fin is covered on each heat exchanger tube, is to improve heat exchanger tube heat exchange efficiency to increase heat exchange area, and wing
Piece is set as triangular piece, is in order to achieve the effect that provide notch for refrigerating medium and smoothly flow through fin, simultaneously because setting is more
The fin of a ratchet shape, can also make refrigerating medium when flowing through fin, can also generate disturbance, change to finally also reach raising
The effect of the thermal efficiency.
Further, the heat exchanger tube spacing of fin of every heat exchanger tube suit is 5~10 millimeters, and various heat exchange pipe sleeve dress
It is non-interference between heat exchanger tube fin.
Further, current divider also is set in the enclosure interior, the heat exchanger tube passes through current divider and external refrigerant
Pipeline connection.
Further, the heat exchanger tube tandem can be connected by multiple heat exchange pipe U-shaped elbows, in the shell
Body lengthens the heat exchanger tube.
Further, be each passed through the refrigerant into and out of pipe the end cover and the circular shell it is removable
Unloading sealed connection is flanged joint, another described end cover is that welded seal connects with the circular shell.
Further, the shunting that multiple groups are connected with the refrigerant into and out of pipe can be set in the enclosure interior
Device and matched shunting capillary, heat exchanger tube and the pipe U-shaped elbow of heat exchange.
Further, the heat exchanger tube is inner screw thread copper pipe.
Further, refrigerating medium is located at shell both ends upper position into and out of liquid pipe, and connects with the enclosure interior
It is logical.
Using above-mentioned technical proposal, since jet stream version is bowed shape, so that the jet hole jet direction at edge and centre
Part streams hole jet direction is not parallel, forms angle, emitted refrigerating medium can be on the heat exchanger tube boundary for being located at marginal portion
The disturbance between fluid is formed, to improve the heat exchange efficiency of this part heat exchanger tube, reaches whole and improves heat exchanger heat exchange efficiency
Effect.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is shell and tube exchanger working principle diagram of the present invention.
Fig. 2-1 is arch fluidic plate front schematic view of the present invention.
Fig. 2-2 is arch fluidic plate representative side section view of the present invention.
Fig. 2-3 is arch fluidic plate schematic rear view of the present invention.
Fig. 2-4 is arch fluidic plate third end view of the present invention.
Fig. 3 spring structure schematic diagram of the present invention.
Fig. 4 is that fin of the present invention is sleeved on schematic diagram on heat exchanger tube.
Fig. 5 is that the present invention passes through U-shaped elbow extension heat exchanger tube schematic diagram.
Fig. 6 is schematic diagram of the present invention setting multiple groups into and out of pipe.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of shell and tube exchangers, as shown in Figure 1, including refrigerant inlet pipe 100, refrigerant
Outlet pipe 103, heat exchanger tube 111, U-shaped elbow 113, shell 108, refrigerating medium inlet tube 102, the first current divider 104, the second current divider
105, refrigerating medium outlet tube 112, left end cover 101, right end cover 114, shunting capillary 106, fluidic plate 107, jet stream
Plate standing screw 110 and heat exchanger tube fin 109；Fluidic plate 107, shell 108 are circle, 107 overall diameter of fluidic plate and shell
108 inner diameters are identical, are provided with jet via-hole 107b, 107g, heat exchanger tube fixation hole 107c and standing screw through-hole 107i above；
Refrigerant inlet pipe 100, refrigerant outlet pipe 103 are each passed through left end cover 101, respectively and are built in left end cover 101
The first current divider 104 and the second current divider 105 be tightly connected, shunt 106 one end of capillary and the first current divider 104, second
The tap hole of current divider 105 is connected to and is welded and fixed connection, and other end is connected to and is welded and fixed with 111 one end nozzle of heat exchanger tube
Connection, heat exchanger tube 111 pass through the heat exchanger tube fixation hole 107c of fluidic plate 107, extend in shell 108, the protrusion of fluidic plate 107
Portion is connected to and is welded by U-shaped elbow 113 towards refrigerating medium flow direction, the nozzle in the 111 other end face of heat exchanger tube of extension
Connection forms U heat exchange circuit, and the right end cover 114 of shell 108 is connected with 108 welded seal of shell, left end cover
101 and shell 108 be that dismountable flange is tightly connected, the standing screw that fluidic plate standing screw 110 passes through in fluidic plate 107 is logical
Hole 107i, both ends are connected and fixed by nut, and refrigerating medium inlet tube 101, refrigerating medium outlet tube 112 are separately positioned on shell 108
Top left and right ends marginal position, and be connected to shell 108.
In actual use, high temperature liquid refrigerant enters the refrigerant inlet pipe 100 and and refrigerant that caliber is 22 millimeters
First current divider 104 of the welding connection of inlet pipe 100, respectively by and tap hole welding be connected to, diameter divides for 6.35 millimeters
Capillary 106 is flowed, welds the heat exchanger tube 111 being connected into shunting 106 other end of capillary, 111 caliber of heat exchanger tube is
9.52 millimeters of inner screw thread copper pipe flows in heat exchanger tube 111, when flowing to 111 end of heat exchanger tube, then passes through and heat exchanger tube 111
The U-shaped elbow 113 for welding connection, goes successively to an other heat exchanger tube 111, the opposite direction stream in an other heat exchanger tube 111
Dynamic, two heat exchanger tubes are welded by U-shaped elbow 113 and form a single u-shaped heat exchanger tube, and refrigerant flows in U heat exchange, and outer
The refrigerating medium in portion exchanges heat, and is condensed into liquid, and the shunting capillary 106 for being 6.35 millimeters eventually by diameter passes through second
The tap hole of current divider 105 flows into the second current divider 105, in the liquid refrigerant that the second current divider 105 summarizes, by straight
The refrigerant outlet pipe 103 that diameter is 16 millimeters flows out shell and tube exchanger, completes heat exchange.
U heat exchange can also be integrated with bending, and U-shaped elbow 113 is as the whole presence of U heat exchange a part at this time.
Heat exchanger tube 111 can also take other materials, such as aluminum pipe, seamless steel pipe in addition to above-mentioned copper pipe.
108 overall diameter of shell and tube exchanger shell be 180 millimeters, 2 millimeters of wall thickness, interior diameter be 176 millimeters, refrigerating medium into
Liquid pipe 102 is opened in left 101 upper middle position of end cover, and refrigerating medium outlet tube 112 is opened in the left-end point upper bit of shell 108
It sets, refrigerating medium disengaging liquid pipe is all connected to inner wall, and liquid in-out pipe diameter is 38 millimeters.Refrigerating medium is water, passes through refrigerating medium feed liquor
After pipe 102 flows into 108 inside of shell, jet hole 107b, the 107g opened up in the fluidic plate 107 by fixed heat exchanger tube 111, by force
On jet cold-carrying agent processed to heat exchanger tube 111, forced heat-exchanging is carried out with the refrigerant of 111 internal flow of heat exchanger tube.
Refrigerating medium removes outside above-mentioned water, also can choose the use such as ethylene glycol, salt water.
Since the axis of jet hole 107b, 107g are not parallel, refrigerating medium is ejected by the hole of 107b, 107g
Fluid can mix at the heat exchanger tube 111 for being disposed adjacent to 108 inner wall edge of package, and generate disturbance.
107 schematic diagram of fluidic plate is shown in Fig. 2-1,2-2,2-3, and fluidic plate 107 is step-like collar plate shape structure, cross sectional shape
Aobvious arch, 107 outer edge diameter of fluidic plate are 176 millimeters, are arranged perpendicular to 111 axis of heat exchanger tube, the edge of fluidic plate 107 and
108 inner wall of shell fits closely sealing.
Fluidic plate 107 is divided for first end face 107h, second end face 107f and third end face 107a, first end face 107h and
Three end face 107a are plane parallel to each other, and second end face 107f is a tapered plane, third end face 107a and second end face 107f
Between angle α be 120 degree, first end face 107h is located at disk border, and third end face 107a is located at disk medium position, by the
Biend 107f is connected with the first end face 107h, along the tangential direction perpendicular to second end face 107f on second end face 107f
It is provided with jet via-hole 107g, circular heat exchanger tube fixation hole 107c, jet via-hole 107b are provided on the 107a of third end face；First end
4 circular standing screw through-hole 107i are provided on the 107h of face, standing screw through-hole 107i diameter is 4 millimeters, shows cross pair
Claim arrangement, the protruding portion of fluidic plate 107 is towards refrigerating medium flow direction.
Above-mentioned heat exchanger tube fixation hole 107c, jet via-hole 107b is using the center center of circle of fluidic plate 107 as basic point, along scattered
It is evenly arranged on ray.
Second end face 107f also can choose curved surface, such as arc-shaped curved surface, and jet hole is perpendicular to the tangent line side on curved surface
Upwards, i.e., in the normal direction, it is provided with through-hole.
In the concave surface of second end face 107f, i.e., backwards to refrigerating medium flow direction face, in order to avoid passing through second end face 107f
Jet hole 107g project refrigerating medium reach heat exchanger tube 111 before, the farther away jet via-hole 107g meeting with a distance from heat exchanger tube 111
The fluid projected between closer jet via-hole 107g interferes with each other, and causes to be vortexed in vain so that injection power is unrestrained in vain
Take, in the outlet edge close to jet hole 107g, setting twice diffusing bores 107j, and it is ring structure that diffusing, which bores 107j,.
Scattering cone forms similar tubaeform flaring, passes through second end face 107f using jet via-hole 107g as place-centric
Jet hole 107g project refrigerating medium, by horn mouth as diffusion runner, in flaring gradually slowly diffusion, eventually flow to
On heat exchanger tube 111.
Difference of the heat exchanger tube jet via-hole 107b being provided on the 107a of third end face according to the position of arrangement, jet via-hole
The aperture of 107b is also different, and as in Figure 2-4, the circular diameter of third end face 107a outer edge 1a is 132 millimeters, in the diameter
3/4 distance at, i.e., at 99 millimeters of diameter, dotted line 1c is two parts third end face 107a point, and the jet stream of the inside part is logical
The datum hole that the diameter of hole 1d is 2 millimeters, and the part within the periphery of dotted line 1d, third end face 107a outer edge 1a, are penetrated
The diameter of recirculation hole 1b is then 1.25 times of the jet via-hole 1d diameter as datum hole, i.e., diameter is 2.5 millimeters.
The jet via-hole 107g that is provided on second end face 107f is circle, circulation area then on the basis of jet via-hole 1d
2 times of circulation area, i.e. diameter are 2.8 millimeters.
Jet hole on dotted line 1c, aperture are identical with jet via-hole 1b.
Jet via-hole 1b, 1d of different pore size are set on the 107a different location of third end face, are in order to avoid due to penetrating
Different location coolant fluid pressure is different and cause sprayed flow inconsistent on flowing plate face.
The jet via-hole bigger than third end face jet via-hole circulation area is set on second end face 107f, first is that in order to
Guarantee uniform flux identical with jet hole on the 107a of third end face is flowed through, second is that certain angle, energy is axially arranged in jet hole
Guarantee, which is ejected into the refrigerating medium between the heat exchanger tube that edge is arranged in, can generate mixing, so that flow disturbance occur, improve heat exchange
Efficiency；Third is that bigger jet hole can guarantee that the impurity of the larger particle in shell 108 can smoothly flow through fluidic plate 107, avoid
The accumulation of impurity and cause heat exchange efficiency to reduce.
Angle α removes 120 and is outside one's consideration between third end face 107a and second end face 107f, can also set according to actual needs
Other angles, such as 90 degree or 175 degree etc., the fluidic plate 107 being sleeved on heat exchanger tube 111 are set to, fluidic plate 107 is arranged
Quantity can also select muti-piece, such as 3 in addition to 2 pieces of 111 both ends of heat exchanger tube close in Fig. 1 arrangement according to actual needs
Block, 4 pieces etc., extra is partially disposed between both ends fluidic plate 107, equidistant can be evenly arranged, also can satisfy reality
Needs of heat exchange efficiency, and Unequal distance mode is taken to arrange, for example, fluidic plate longitudinal separation can according to etc. be incremented by alkali than mode.
For selecting 5 pieces of fluidic plates, distance may be selected 200 millimeters between first piece and second piece, and second piece and the
Three pieces of distances can choose 400 millimeters, between third block and the 4th piece distance may be selected 800 millimeters, the 4th piece and the 5th piece it
Between distance may be selected 1600 millimeters, the distance of selection is incremented by than in a manner of or is reversely successively decreased by equal, first piece of both ends and the 5th
Overall length is 3000 millimeters between block fluidic plate.
It is also an option that the jet via-hole of other diameters, for example, the diameter of benchmark jet via-hole 1d can choose 2.5 millis
Rice or 4 millimeters etc., and corresponding jet via-hole 1b and 107g can then be selected according to aforementioned corresponding multiple respectively.
The jet via-hole 107g being provided on second end face 107f also can choose ellipse, bar shaped etc. in addition to above-mentioned circle
Mode.
In order to avoid the jet hole 107b on the 107a of third end face is blocked, on the 107a of third end face, close-range shot is being leaned on
Discharge orifice 107b upper position is provided with spring fixed hole 107d, and spring fixed hole 107d is circular hole, and aperture is 0.2 millimeter, mating bullet
Spring 107e is used, and spring fixed hole 107d can be through-hole, is disposed in proximity to the fixation hole 107d of jet hole 107b upper position,
It can arrange, can also be arranged vertically on the scattered rays of jet hole 107b, or be arranged in other positions being easily installed.
It can not also be through-hole in addition to above-mentioned spring fixed hole 107d is through-hole.
Spring 107e structural schematic diagram is shown in Fig. 3, and the one end spring 107e is coiled into 2c in the shape of a spiral, and both ends are straightway 2a, 2b,
Spring diameter is 0.2 millimeter, and in actual use, straightway 2a insertion is arranged in fluidic plate third end face 107a backwards to refrigerating medium
The through-hole 107d of flow direction being provided on one side, with mono- direction helical form 2c, the end face straightway 2a and third end face 107a are towards just
The plane of face refrigerating medium flow direction is concordant, and is fixedly secured, another straightway 2b of spring 107e be then inserted into jet via-hole 1b,
In 1d, the end face straightway 2b is longer than jet hole 1b, 1d and enters 1 millimeter of plane, and can the free springing in jet hole 1b, 1d.
When refrigerating medium passes through jet hole 1b, 1d jet stream, the power of flowing can make the spring for being inserted into jet hole in jet stream
Free springing in hole can clean at any time jet via-hole with the flowing of fluid, meanwhile, the spring of free springing can also disturb stream
The refrigerating medium crossed enables the fluid of outflow to flow on heat exchanger tube with portion disturbances, reinforces heat exchange.
Spring cleaning structure mode is used to obtain, can also use in the jet via-hole 107g on second end face 107f,
On seeking common ground.
Spring 107e also can choose other format diameters, for example, the spring of 0.5 mm dia, meanwhile, in different end faces
Jet via-hole 1b, 1d, 107g on, the spring of different size diameter, such as the jet via-hole 1b selection milli of diameter 0.5 also may be selected
The spring of rice, jet via-hole 1b then select 0.25 millimeter of spring, 0.2 millimeter of spring are then selected on 107g, are inserted using spring
The different-diameter size of incident discharge orifice can be passed through the jet flow of different location jet via-hole with auxiliary adjustment refrigerating medium, be avoided
Flow occurs uneven and impacts heat exchange efficiency.
In order to improve the heat exchange efficiency between heat exchanger tube and refrigerating medium, 111 also on heat exchanger tube on be set with heat exchanger tube fin
109, fin is sleeved on schematic diagram on heat exchanger tube and sees that Fig. 4, the bottom 109b and 111 outer wall of heat exchanger tube of heat exchanger tube fin 109 are close
Fitting, fin shape are triangular plate shape 109a, show ratchet-like, and 111 diameter of heat exchanger tube is 9.52 millimeters, outer wall to triangular fin
The outer peripheral height in tip is 9.52 millimeters, and fin thickness is 0.5 millimeter.
Alternatively, outer wall is 4.8 millimeters to the outer peripheral height in triangular fin tip, fin thickness is 0.25 millimeter.
The distance that every heat exchanger tube fin 109 is socketed on same root heat exchanger tube 111 is 5 millimeters or 10 millimeters, heat exchange
Pipe fin 109 remove take it is above-mentioned take monolithic form socket outer, spiral-shaped structure can also be taken, spiral shape, which is socketed in, changes
On 111 outer wall of heat pipe.
Socketing method is, firstly, 111 sets of holding positions of heat exchanger tube are determined, secondly respectively by fluidic plate 107 and heat exchange tube fin
109 sets of piece on identified position, are then taken mechanical expanding form, and swell heat exchanger tube 111, are completed heat exchanger tube 111 and are penetrated
Fixation between flowing plate 107 and heat exchanger tube fin 109.
The heat exchanger tube fin 109 being socketed between every heat exchanger tube 111 is non-interference, can guarantee through fluidic plate 107
The refrigerating medium of jet hole injection passes through the triangular gap of heat exchanger tube fin 109, and the wing being socketed between various heat exchange pipe
Piece gap is along 111 axis direction smooth outflow of heat exchanger tube.
The fin of heat exchanger tube fin 109 removes outside above-mentioned triangular gap, can also take bar shaped or other notch shapes
Shape.
Fixed form removes outside above-mentioned mechanical expanding, can also take other way, for example, water swelling or heat exchange tube fin
High-frequency welding manner is taken to carry out between piece 109 and heat exchanger tube 111.
The installation method of shell and tube exchanger specifically:
The first step completes the fixation of the spring 107e above arch fluidic plate 107 and is inserted into the installation of jet hole；
Second step, takes above-mentioned fixed form, complete heat exchanger tube 111 and above-mentioned arch fluidic plate 107, heat exchanger tube fin 109 it
Between fixation, and by fluidic plate standing screw 110 pass through fluidic plate 107 on standing screw through-hole 107i, both ends pass through nut
It is connected and fixed；
Refrigerant inlet pipe 100, refrigerant outlet pipe 103 are each passed through left end cover 101 by third step, respectively and are built in a left side
Corresponding first current divider 104 in end cover 101 is welded and fixed with the second current divider 105 to be connected to, while being connected to and being welded
It is fixedly connected with corresponding shunting capillary 106 and U heat exchange 111, forms a global facility.
Above-mentioned global facility is inserted into 108 suitable position of shell by the 4th step, and finally makes left end cover 101, the right side
End cover 114 and the sealing of 108 both ends of shell.
It lengthens 111 schematic diagram of heat exchanger tube and sees Fig. 5, in shell 108,104 one end of the first current divider is connected to refrigerant inlet pipe
100, other end is connected to the nozzle on the first heat exchanger tube 111, plugs a mouth of U-shaped elbow 113, in addition one second heat exchange
111 nozzle of pipe plugs another mouth of U-shaped elbow 113, and is welded and fixed, and forms U heat exchange and extends, meanwhile, second
The other end of nozzle of heat exchanger tube 111 is connected to a mouth of another U-shaped elbow 113, while U-shaped elbow 113 is in addition
A nozzle of one nozzle in connection third heat exchanger tube 111, welding, and continue to extend, and successively method gradually extends heat exchange
Pipe, the nozzle for last root heat exchanger tube 111 being finally connected to reconnect 105 one end of the second current divider, and completion needs pipeline
Extend, then refrigerant outlet pipe 103 is connected to by 105 other end of the second current divider.
U-shaped elbow 113 can also be welded through the above way and extends heat exchanger tube by doing integral U heat exchange.
In order to reduce shell and tube exchanger volume, multiple groups and refrigerant can be set in a shell 108 into and out of pipe phase
The current divider of connection and matched shunting capillary 106, heat exchanger tube 111 and the pipe U-shaped elbow 113 of heat exchange, schematic diagram is shown in Fig. 6.
On left 101 end face of end cover, the left and right sides is correspondingly arranged matched refrigerant into and out of pipe nozzle respectively,
In, 3 through-holes are uniformly provided in left 101 upper left side top to bottm of end cover, are inserted into 100a, 100b, 100c tri- refrigeration respectively
Agent inlet pipe, caliber are 22 millimeters, meanwhile, on left end cover 101 at the upper symmetric position in right side to it is lower be uniformly provided with 3 it is logical
Hole, respectively be inserted into tri- refrigerant outlet pipes of 103a, 103b, 103c, caliber be 16 millimeters, wherein 100a and 103a, 100b and
103b, 100c and 103c correspond, respectively by being built in shell 108, with matched current divider, shunt capillary, change
Heat pipe and the connection of U-shaped elbow, are respectively formed independent refrigerant circuit.
Matched refrigerant may be the same or different into and out of the caliber between pipe, the refrigeration of general flowing gas
Agent inlet pipe road caliber is greater than the pipeline of liquid, it is possible to reduce the loss of cold-producing medium stream dynamic resistance.
Above-mentioned refrigerant into and out of pipe be 3 groups of symmetrical arrangements, in actual use, pipeline can also take 2 groups or
Person's being arranged symmetrically greater than 3 groups；Position remove it is above-mentioned be symmetrically arranged outer, other suitable mode cloth can also be taken
It sets, such as arrangement symmetrical above and below.
The shell and shape of shell and tube exchanger remove outside above-mentioned circular configuration, can also take other structures, such as side
The structures such as shape, ellipse, jet stream plate shape should do corresponding adjustment, to guarantee that outer edge can fit closely the inner wall of shell.
The above is only the preferable specific embodiments of the present invention, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art the variation that can readily occur in or replaces in the technical scope that the embodiment of the present invention discloses
It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim
Subject to enclosing.
Claims (21)
1. a kind of shell and tube exchanger, including heat exchanger tube, shell and fluidic plate, the fluidic plate are built in the enclosure interior,
Edge and the inner walls fit closely, and the heat exchanger tube passes through fluidic plate, extend in the shell, the shell both ends
Sealing, the heat exchanger tube flows outside refrigerating medium, internal flow refrigerant, refrigerating medium are logical by the jet stream being arranged in fluidic plate
Hole is ejected on the heat exchange pipe external surface, completes the heat exchange between refrigerating medium and refrigerant, which is characterized in that the jet stream
Plate section shows bowed shape, and the fluidic plate is divided into first end face, second end face and third end face, the first end face and third
End face is plane parallel to each other, and the second end face is an inclined-plane, and the first end face is located at marginal position, the third end
Face is located at medium position, is connected by the second end face with first end face, along end face perpendicular to tangent line in the second end face
It is provided with jet via-hole on direction, round heat exchanger tube fixation hole, jet via-hole are provided on the third end face, the fluidic plate is prominent
Portion is towards refrigerating medium flow direction.
2. shell and tube exchanger as described in claim 1, which is characterized in that the fluidic plate is disc knot with the level
Structure.
3. shell and tube exchanger as claimed in claim 2, which is characterized in that be uniformly provided with standing screw in the first end face
Through-hole.
4. shell and tube exchanger as claimed in claim 2, which is characterized in that heat exchanger tube fixation hole, jet stream in the fluidic plate
Through-hole and standing screw through-hole are evenly arranged along scattered rays using the center of circle of the fluidic plate as basic point.
5. shell and tube exchanger as claimed in claim 2, which is characterized in that on the third end face, be less than the third end
In 3/4 distance of face overall diameter, the benchmark circular hole that the jet via-hole diameter is 2~4 millimeters, remaining described jet via-hole diameter
It is 1~1.25 times of benchmark Circularhole diameter.
6. shell and tube exchanger as claimed in claim 2, which is characterized in that the second end face inclined plane shape is plane or song
Face.
7. shell and tube exchanger as claimed in claim 2, which is characterized in that the second end face and third end face section angle
α angle is greater than 90 degree, and less than 180 degree.
8. shell and tube exchanger as claimed in claim 2, which is characterized in that the shape of through holes opened up in the second end face is
Round, ellipse or bar shaped.
9. shell and tube exchanger as claimed in claim 8, which is characterized in that the second end face jet via-hole flow area face
Product is 1.5~2 times of the benchmark jet via-hole flow cross-section areas of the third end face.
10. shell and tube exchanger as claimed in claim 2, which is characterized in that be also provided with spring on the third end face and fix
Hole, the spring fixed hole are disposed in proximity to jet via-hole center top.
11. the shell and tube exchanger as claimed in claim 10, which is characterized in that spring spirally-wound, described
Fluidic plate concave surface, the spring fixed hole is inserted into one end and fixation, the other end are deep into the jet via-hole.
12. the shell and tube exchanger as claimed in claim 11, which is characterized in that the spring diameter is 0.2~0.5
Millimeter.
13. shell and tube exchanger as claimed in claim 2, which is characterized in that at the fluidic plate second end face back side, along institute
State the diffusing cone that jet via-hole edge is provided with annular.
14. shell and tube exchanger as claimed in claim 2, which is characterized in that individually set heat exchange outside the every heat exchanger tube
Pipe fin, and fit closely, the heat exchanger tube fin is circular end face, is provided with triangular gap above, shows ratchet-like, described to change
Heat pipe outer wall is 0.5~1 times for being socketed the heat exchanger tube radius to the outer peripheral height in triangular fin tip, and fin thickness is
0.25~0.5 millimeter.
15. shell and tube exchanger as claimed in claim 14, which is characterized in that between the heat exchanger tube fin of every heat exchanger tube suit
Away from being 5~10 millimeters, and it is non-interference between the heat exchanger tube fin of various heat exchange pipe sleeve dress.
16. the shell and tube exchanger as described in claim 1~15 any one, which is characterized in that also in the enclosure interior
Current divider is set, and the heat exchanger tube passes through current divider and external refrigerant pipeline connection.
17. the shell and tube exchanger as described in claim 15 any one, which is characterized in that multiple heat exchanger tubes can be passed through
U-shaped elbow connects the heat exchanger tube tandem, lengthens the heat exchanger tube in the shell.
18. the shell and tube exchanger as described in claim 15 any one, which is characterized in that be each passed through the refrigerant into,
The end cover of outlet pipe and the removable seal of the circular shell are connected as flanged joint, another described sealed end
Lid is that welded seal connects with the circular shell.
19. the shell and tube exchanger as described in claim 15 any one, which is characterized in that can be arranged in the enclosure interior
The current divider and matched shunting capillary, heat exchanger tube and heat exchanger tube U that multiple groups are connected with the refrigerant into and out of pipe
Type elbow.
20. the shell and tube exchanger as described in claim 15 any one, which is characterized in that the heat exchanger tube is internal screw thread copper
Pipe.
21. the shell and tube exchanger as described in claim 15 any one, which is characterized in that refrigerating medium is located at institute into and out of liquid pipe
Shell both ends upper position is stated, and is connected to the enclosure interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010015.9A CN109708494A (en) | 2019-01-06 | 2019-01-06 | A kind of shell and tube exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010015.9A CN109708494A (en) | 2019-01-06 | 2019-01-06 | A kind of shell and tube exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109708494A true CN109708494A (en) | 2019-05-03 |
Family
ID=66260757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910010015.9A Pending CN109708494A (en) | 2019-01-06 | 2019-01-06 | A kind of shell and tube exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109708494A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578748A (en) * | 2020-05-25 | 2020-08-25 | 无锡幸达空调科技有限公司 | Shell and tube heat exchanger |
| CN111776191A (en) * | 2020-07-03 | 2020-10-16 | 北海市景泰达科技有限公司 | Novel shell and tube heat exchanger and marine refrigerating system |
| WO2022143949A1 (en) * | 2020-12-31 | 2022-07-07 | 昆山方佳机械制造有限公司 | Shell and tube heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063060A (en) * | 2013-01-16 | 2013-04-24 | 英特换热设备(浙江)有限公司 | Novel casing type heat exchanger |
| CN104913678A (en) * | 2015-06-24 | 2015-09-16 | 台州龙江化工机械科技有限公司 | Uniform liquid distributor of pipe shell dry-type evaporator |
| CN204739945U (en) * | 2015-06-29 | 2015-11-04 | 山东美陵化工设备股份有限公司 | Modular spray baffling board heat exchanger |
| CN106197084A (en) * | 2014-03-27 | 2016-12-07 | 丽水市汇金电气有限公司 | A kind of heat exchanger |
| CN209910451U (en) * | 2019-01-06 | 2020-01-07 | 佛山市顺德区金舵空调冷冻设备有限公司 | Shell and tube heat exchanger |
-
2019
- 2019-01-06 CN CN201910010015.9A patent/CN109708494A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063060A (en) * | 2013-01-16 | 2013-04-24 | 英特换热设备(浙江)有限公司 | Novel casing type heat exchanger |
| CN106197084A (en) * | 2014-03-27 | 2016-12-07 | 丽水市汇金电气有限公司 | A kind of heat exchanger |
| CN104913678A (en) * | 2015-06-24 | 2015-09-16 | 台州龙江化工机械科技有限公司 | Uniform liquid distributor of pipe shell dry-type evaporator |
| CN204739945U (en) * | 2015-06-29 | 2015-11-04 | 山东美陵化工设备股份有限公司 | Modular spray baffling board heat exchanger |
| CN209910451U (en) * | 2019-01-06 | 2020-01-07 | 佛山市顺德区金舵空调冷冻设备有限公司 | Shell and tube heat exchanger |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578748A (en) * | 2020-05-25 | 2020-08-25 | 无锡幸达空调科技有限公司 | Shell and tube heat exchanger |
| CN111776191A (en) * | 2020-07-03 | 2020-10-16 | 北海市景泰达科技有限公司 | Novel shell and tube heat exchanger and marine refrigerating system |
| CN111776191B (en) * | 2020-07-03 | 2022-05-17 | 北海市景泰达科技有限公司 | Novel shell and tube heat exchanger and marine refrigerating system |
| WO2022143949A1 (en) * | 2020-12-31 | 2022-07-07 | 昆山方佳机械制造有限公司 | Shell and tube heat exchanger |
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Application publication date: 20190503 |