CN107764099B - Casing enhanced heat exchange unit block and penetrate mixing rotational-flow high-efficient double pipe heat exchanger - Google Patents

Casing enhanced heat exchange unit block and penetrate mixing rotational-flow high-efficient double pipe heat exchanger Download PDF

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CN107764099B
CN107764099B CN201711034278.0A CN201711034278A CN107764099B CN 107764099 B CN107764099 B CN 107764099B CN 201711034278 A CN201711034278 A CN 201711034278A CN 107764099 B CN107764099 B CN 107764099B
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inner tube
stiffener
heat exchange
casing
exchange unit
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CN107764099A (en
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孟继安
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Tsinghua University
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Tsinghua University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/24Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a kind of casing enhanced heat exchange unit block and mixing rotational-flow high-efficient pipe heat exchanger is penetrated, pipe enhanced heat exchange unit block includes distorting stiffener between set inner tube, set outer tube, set inner tube distortion stiffener and casing.The inner cavity for the sludge that circulates is limited in set inner tube.Outer tube housing is covered in set inner tube, covers outer tube and covers the exocoel limited between inner tube for the sludge that circulates.It covers inner tube distortion stiffener and is equipped with the first communication port, distortion stiffener is equipped with the second communication port between casing.Two kinds of heat exchanging fluids in casing enhanced heat exchange unit block according to an embodiment of the present invention can produce spiral rotating flowing and add the Complex Flows that hole penetrates mixed flow, so that heat exchanging fluid will not generate bias current, deposition, bonding and clogging, the heat exchange of mud-mud long period stability and high efficiency may be implemented, and it is substantially reduced sludge transport flow resistance and pumping power consumption, it is hereby achieved that the energysaving effectiveness of significant sludge treatment and environmentally friendly social benefit.

Description

Casing enhanced heat exchange unit block and penetrate mixing rotational-flow high-efficient double pipe heat exchanger
Technical field
The present invention relates to technical field of heat exchangers, penetrate mixing rotational-flow high-efficient casing type heat exchanging more particularly, to one kind Device, especially a kind of mud-mud high efficient heat exchanging penetrate mixing eddy flow double pipe heat exchanger.
Background technique
With the continuous continuous improvement promoted with environmental protection requirement of China's urbanization, the processing of sewage sludge is increasingly It is taken seriously.It in numerous sludge disposal technologies, needs wet mud being heated to higher temperature, a kind of such as sludge wet oxidation Treatment process, needs for sludge to be heated to 150 DEG C -370 DEG C, and wet mud cools down filter again after reacting in the reactor of high temperature and pressure The processing such as water.In the heating and temperature-fall period of wet mud, need the heat of high temperature sludge after reacted device to the greatest extent The purpose of recycling to heat the sludge etc. before entering reactor, reducing operating cost to reach energy conservation.Current wet mud is changed Hot device mainly has multistage shell-and-tube heat exchanger, double pipe heat exchanger and a plate heat exchanger, but due to the high viscosity of wet mud, easy to stick Characteristics, generally existing sludge bias current, deposition, bonding, blocking, the heat exchange properties such as knot property, easy precipitated and separated and shear shinning are very poor It is comparatively fast decreased obviously with heat exchange property and transport flow resistance is big and conveys the problems such as power consumption is big.
For sludge multistage shell-and-tube heat exchanger, the sludge flow velocity in multiple heat exchanger tubes in tube side is very uneven, very There is sludge to flow through in only a small number of heat exchanger tubes and in most of heat exchanger tubes the extremely low speed of sludge or do not flow, sludge gradually glues Knot heat exchange pipe surface even blocking portion heat exchanger tube, blocks heat exchanger when serious.In addition, even if changing of flowing through of sludge normal flow The heat exchange property of hot surface is also very poor, and in the process of running heat exchange property also because the factors such as foulant sticks heat exchanging pipe wall very The resistance that can decline fastly, and convey sludge is continuously increased or even often occurs blocking so that entire sludge treatment equipment is had to It stops transport.Relative to tube side, since there are baffling whirlpool areas in its shell side, sludge flowing is more uneven, and sludge is easier to deposit And blocking, heat exchange property are worse.Especially for the sludge before reaction, either heat exchange property or mobile performance is special The phenomenon that difference, sludge bias current, deposition, bonding, blocking, is extremely serious, therefore, is difficult to realize mud-mud using shell-and-tube heat exchanger Stablize heat exchange, and uses the sludge after reaction and the processing mediums such as the water also very unstable and heat exchange property that exchanges heat very poor.
For sludge double pipe heat exchanger, compared to sludge multistage shell-and-tube heat exchanger, either in casing between casing The uniformity of sludge flow velocity obtained certain improvement, but still there is apparent imperfect flow, it is easy to generate dirty Phenomena such as mud laminar flow, deposition, bonding heat exchanging pipe wall.In the process of running, either between casing or in casing, quickly Just will appear sludge laminar flow, bottom largely deposit, semicanal flowing, until blocking heat exchanger tube the phenomenon that.In addition, between casing Sludge mobility is poor to be also very easy to blocking, and heat exchanger heat exchange property is also poor, and the flow resistance of sludge conveying Especially big, the power consumption for causing sludge to convey is also bigger.In addition, due to sleeve type structure, sludge double pipe heat exchanger Land occupation is especially big, and construction cost is high or even some situations can not carry out equipment arrangement etc..
For sludge plate heat exchanger, although general using wide runner design, also relative compact, above-mentioned sludge are heavy for structure Product, bonding equally exist the problems such as even blocking and heat exchange property are poor.
To sum up, due to the high viscosity of wet mud, easy caking property, the easily characteristics such as deposition layering and shear shinning, existing sludge The generally existing sludge bias current of heat exchanger, deposition, bonding, blocking, heat exchange property be very poor and what heat exchange property was comparatively fast decreased obviously asks Topic and the problem that sludge transport flow resistance is big and pumping power consumption is big.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of set Pipe enhanced heat exchange unit block, described sleeve pipe enhanced heat exchange unit block can effectively improve stream of the sludge in heat exchange unit Dynamic and heat exchange state, is effectively prevented sludge bias current and deposition, effectively slows down sludge bonding heat exchange surface, substantially eliminates sludge The phenomenon that blocking heat exchange runner, to significantly improve the heat exchange property for changing unit and long-term operation reliability, and is effectively reduced Sludge conveys flow resistance and power consumption.
The present invention, which also aims to, proposes that one kind penetrates mixing rotational-flow high-efficient double pipe heat exchanger.It is described to penetrate mixing rotational-flow high-efficient Double pipe heat exchanger can obtain significant energysaving effectiveness and environmentally friendly social benefit.
Casing enhanced heat exchange unit block according to an embodiment of the present invention, comprising: cover inner tube, limited in the set inner tube For the inner cavity for the sludge that circulates, the inner cavity has set inner tube import and set inner tube outlet;Outer tube is covered, the set outer tube housing exists In the set inner tube, limit exocoel for the sludge that circulates between the set outer tube and the set inner tube, the exocoel with it is described Inner cavity is isolated, and the exocoel has set outer tube import and the outlet of set outer tube;It covers inner tube and distorts stiffener, the set inner tube distortion Stiffener is located at described interior intracavitary, and set inner tube distortion stiffener is equipped with the first communication port for the sludge that circulates, described Set inner tube distortion stiffener is configured to driving sludge generation and penetrates mixing knob;Stiffener is distorted between casing, is turned round between described sleeve pipe Bent stiffener is located at described outer intracavitary, and stiffener is distorted between described sleeve pipe and is equipped with the second communication port for the sludge that circulates, institute Distortion stiffener is configured to that sludge generation is driven to penetrate mixing eddy flow between stating casing.
Casing enhanced heat exchange unit block according to an embodiment of the present invention, since " set inner tube distortion is strong using described Change part " and " stiffener is distorted between casing ", and cover to distort between inner tube distortion stiffener and casing and be respectively provided on stiffener The first communication port and the second communication port of circulation sludge, so that covering the heat exchanging fluid between the heat exchanging fluid and casing in inner tube " Complex Flows that hole penetrates mixed flow are added in spiral rotating flowing " is produced, so that fluid will not generate bias current, deposition, glue Knot and clogging, enhance heat transfer process, significantly simultaneously also so as to realize the stabilization of sludge and sludge and efficiently change Heat, and its flow resistance is also smaller while augmentation of heat transfer, sludge conveying power consumption is reduced, it is hereby achieved that significantly Heat recovery and reduce sludge heat energy consumption, and significantly reduce sludge pumping power consumption, obtain significant energysaving effectiveness And environmental benefit.
In some embodiments, at least one of stiffener is distorted between the set inner tube distortion stiffener and described sleeve pipe Be formed as single thread twisted straps.
In some embodiments, at least one of stiffener is distorted between the set inner tube distortion stiffener and described sleeve pipe Be formed as multi-head spiral twisted straps.
In some embodiments, at least one of stiffener is distorted between the set inner tube distortion stiffener and described sleeve pipe Continuously it is arranged on the axial length direction of the set inner tube.
In some embodiments, at least one of stiffener is distorted between the set inner tube distortion stiffener and described sleeve pipe Multiple twisted straps including being spaced apart setting in the axial direction of the set inner tube.
In some embodiments, the set inner tube distortion stiffener includes that setting is spaced apart in the axial direction of the set inner tube Multiple twisted straps, be connected between twisted straps described in each adjacent two by connector.
It is according to an embodiment of the present invention to penetrate mixing rotational-flow high-efficient double pipe heat exchanger, comprising: the casing reinforcing is changed Hot cell component and, the heat preservation member for being kept the temperature to described sleeve pipe enhanced heat exchange unit block.
It is according to an embodiment of the present invention penetrate mixing rotational-flow high-efficient double pipe heat exchanger can enhanced heat exchange process, realize Long period stabilization between sludge and sludge, high efficient heat exchanging, and the flow resistance of sludge is also reduced while augmentation of heat transfer, Reduce sludge conveying power consumption.The rotational-flow high-efficient double-tube heat exchanger of the embodiment of the present invention can not only obtain significant heat as a result, Amount recycling and reduce sludge heating energy consumption, it is significant reduce sludge pumping power consumption, significant energysaving effectiveness can also be obtained And environmental benefit.
In some embodiments, described to penetrate mixing rotational-flow high-efficient double pipe heat exchanger, further includes: shell, the set Pipe enhanced heat exchange unit block is located in the shell, and the heat preservation member is filled in the shell, described sleeve pipe enhanced heat exchange Unit block is located in the heat preservation member.
In some embodiments, described sleeve pipe enhanced heat exchange unit block is multiple, multiple described sleeve pipe enhanced heat exchange lists First component successively joins end to end, wherein the set inner tube of multiple described sleeve pipe enhanced heat exchange unit blocks is connected by set inner tube Fitting is sequentially communicated, and the set outer tube of multiple described sleeve pipe enhanced heat exchange unit blocks is successively connected by covering outer pipe connections It is logical.
Specifically, multiple described sleeve pipe enhanced heat exchange unit blocks are successively arranged along direction of wriggling.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to an embodiment of the present invention for penetrating mixing rotational-flow high-efficient double pipe heat exchanger;
Fig. 2 is the structural schematic diagram of bushing type enhanced heat exchange unit block according to an embodiment of the present invention;
Fig. 3 is the cross-sectional structure schematic diagram of Fig. 2 middle sleeve formula enhanced heat exchange unit block;
Fig. 4 is the partial 3 d structural schematic diagram of Fig. 2 middle sleeve formula enhanced heat exchange unit block;
Fig. 5 is that inner tube distortion stiffener three dimensional structure diagram is covered in Fig. 4;
Fig. 6 is the three dimensional structure diagram of distortion stiffener between Fig. 4 middle sleeve;
Fig. 7 is the partial 3 d structural schematic diagram of one embodiment of the invention set inner tube distortion stiffener;
Fig. 8 is the partial 3 d structural schematic diagram of another embodiment of the present invention set inner tube distortion stiffener;
Fig. 9 is the partial 3 d structural schematic diagram of another embodiment set inner tube distortion stiffener of the invention;
Figure 10 be the embodiment of the present invention casing between distort stiffener partial 3 d structural schematic diagram.
Appended drawing reference:
100: penetrating mixing rotational-flow high-efficient double pipe heat exchanger;
1: casing enhanced heat exchange unit block;
11: set inner tube;12: set outer tube;13: set inner tube distorts stiffener;131: twisted straps;132: connector;133;The One communication port;1331: the first recirculation holes;1332: the first circulation notches;14: stiffener is distorted between casing;141: the second circulations Mouthful;15: set inner tube import;16: set inner tube outlet;17: set outer tube import;18: the outlet of set outer tube;19: end pipe plate;
2: set inner tube inlet and outlet adapter tube;21: set inner tube entrance sleeve;22: set inner tube outlet adapter tube;
3: set outer tube inlet and outlet adapter tube;31: set outer tube entrance sleeve;32: set outer tube discharge connection;
4: connector between heat exchange unit;41: inner tube connector is covered between heat exchange unit;42: outer tube connection is covered between heat exchange unit Part;
5: shell;6 heat preservation members;
N: inner cavity;J: exocoel.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
The specific knot of casing enhanced heat exchange unit block 1 according to an embodiment of the present invention is described below with reference to Fig. 1-Figure 10 Structure.
As shown in Fig. 2, casing enhanced heat exchange unit block 1 according to an embodiment of the present invention includes set inner tube 11, set outer tube 12, stiffener 14 is distorted between set inner tube distortion stiffener 13 and casing.The inner cavity for the sludge that circulates is limited in set inner tube 11 N, inner cavity N have set inner tube import 15 and set inner tube outlet 16.12 housing of outer tube is covered in set inner tube 11, in set outer tube 12 and set The exocoel J for the sludge that circulates is limited between pipe 11, exocoel J is isolated with inner cavity N, and exocoel J has set outer tube import 17 and set Outer tube outlet 18.Set inner tube distortion stiffener 13 is located in the N of inner cavity, and set inner tube distortion stiffener 13 is equipped with for the sludge that circulates The first communication port 133, set inner tube distortion stiffener 13 be configured to driving sludge generation penetrate mixing eddy flow.It is distorted between casing strong Change part 14 to be located in exocoel J, distortion stiffener is equipped with the second communication port 141 for the sludge that circulates between casing, turns round between casing Bent stiffener 14 is configured to driving sludge generation and penetrates mixing eddy flow.
It is understood that being equipped with set inner tube in the N of inner cavity distorts stiffener 13, so that flowing through fluid (the following letter of inner cavity N Claim " interior stream ") generate spiral rotating flowing when, fluid pass through set inner tube distortion stiffener 13 on the first communication port 133, So that the flowing of fluid is that the Complex Flows that hole penetrates mixed flow are added in spiral rotating flowing, set in exocoel J between casing Stiffener 14 is distorted, when so that the fluid (hereinafter referred to as " outflowing ") for flowing through exocoel J generating spiral rotating flowing, fluid is passed through and set The second communication port 141 on stiffener is distorted between casing, is worn so that the flowing of fluid adds hole for spiral rotating flowing The Complex Flows of saturating mixed flow.Interior stream in casing enhanced heat exchange unit block 1 and the generated this spiral rotating that outflows The compound movement that hole penetrates mixed flow is added in flowing, can also be referred to as " penetrating mixing eddy flow ", so that fluid will not generate Bias current, deposition, bonding and clogging, at the same it is significant enhance heat transfer process, to realize the stabilization of interior stream and outflow High efficient heat exchanging.In addition, " spiral rotating flowing ", inherently has effects that certain anti-bias current, deposition, bonding and blocking, then In addition " porous to penetrate mixed flow ", can not only improve and distort 14 back of stiffener between set inner tube distortion stiffener 13 and casing Deposition, anti-adhesive property, and by constantly and it is intensive wash away heat exchange surface, on the one hand can further significantly improve and change The anti-deposition of hot surface, anti-sticking and fouling performance, the acceptable significant enhanced heat exchange of another aspect, furthermore since the shearing of sludge becomes Dilute characteristic etc. can also be substantially reduced flow resistance.
It is this caused by the interior stream and outflow in casing enhanced heat exchange unit block 1 when heat exchanging fluid is mud-mud " Complex Flows that hole penetrates mixed flow are added in spiral rotating flowing " may make heat exchanging fluid not generate bias current, deposition, glue Knot and clogging, compared to conventional casing type heat exchanging unit, 1-2 is can be enhanced in initial operating stage (1 week or so) mud-mud heat exchange It is even more big again, and 50% or more can be reduced by realizing identical mud-mud heat exchange load flow resistance.
Casing enhanced heat exchange unit block 1 according to an embodiment of the present invention, since " set inner tube distortion is strong using described Change part 13 " and " distorting stiffener 14 between casing ", and covers and distorted between inner tube distortion stiffener 13 and casing on stiffener 14 respectively Equipped with the first communication port 133 and the second communication port 141 for the sludge that circulates so that heat exchanging fluid in set inner tube 11 and Heat exchanging fluid between casing produces " Complex Flows that hole penetrates mixed flow are added in spiral rotating flowing ", so that fluid will not Bias current, deposition, bonding and clogging are generated, also enhances heat transfer process significantly simultaneously, so as to realize sludge and dirt The stabilization and high efficient heat exchanging of mud, and its flow resistance is also smaller while augmentation of heat transfer, reduces sludge conveying power consumption, It is hereby achieved that significant heat recovery and reduction sludge heat energy consumption, and sludge pumping power consumption is significantly reduced, is shown The energysaving effectiveness and environmental benefit of work.
In some embodiments, it as shown in Fig. 2, Fig. 4, Fig. 5, Fig. 7, is distorted between set inner tube distortion stiffener 13 and casing strong Change at least one of part 14 and is formed as single thread twisted straps.
In further embodiments, as shown in figure 9, being distorted in stiffener 14 between set inner tube distortion stiffener 13 and casing At least one is formed as multi-head spiral twisted straps.
It should be noted that distortion stiffener 14 is formed as single thread distortion between set inner tube distortion stiffener 13 and casing It is different that band or multi-head spiral twisted straps can make the heat exchange property of casing enhanced heat exchange unit block 1 and flow resistance performance occur, User can select the form that stiffener 14 is distorted between set inner tube distortion stiffener 13 and casing according to actual needs.
In some embodiments, it as shown in Fig. 2-Fig. 7, is distorted in stiffener 14 between set inner tube distortion stiffener 13 and casing At least one set inner tube 11 axial length direction on be continuously arranged.
In some embodiments, as Fig. 8-Figure 10 be it is shown, set inner tube distortion stiffener 13 and casing between distort stiffener At least one of 14 include multiple twisted straps that setting is spaced apart in the axial direction of set inner tube 11.It can further decrease in this way The flow resistance of interior stream and outflow further decreases fluid pumping power consumption.
In some embodiments, as illustrated in figs. 8-9, set inner tube distortion stiffener 13 includes in the axial direction of set inner tube 11 Multiple twisted straps 131 of setting are spaced apart, are connected between each adjacent two twisted straps 131 by connector 132.It is understood that It is, between each adjacent two twisted straps 131 by there are many connection types of connector 132, for example, as shown in figure 5, having In embodiment, connector 132 be it is multiple, per being equipped with a connector 132, twisted straps 131 between two adjacent twisted straps 131 It can be connect by welding, riveting etc. mode between connector 132.In another example as shown in fig. 6, in the embodiment having, Connector 132 is one, and multiple twisted straps 131 are along the axially spaced setting of connector 132, each twisted straps 131 and connector It can be connected by the modes such as welding, riveting between 132.Above two connection type is only twisted straps 131 and connector 132 Connection signal is not the limitation to the two connection type, and any structures and methods for enabling to the two to connect are in this hair Within bright protection scope.
In some embodiments, as shown in figs 2-4, set inner tube distortion stiffener 13 is by being welded to connect in set inner tube 11 It is interior, thus, it is possible to guarantee to cover inner tube distortion stiffener 13 and cover the bonding strength of inner tube 11.Certainly, set inner tube distorts stiffener 13 can also be using being otherwise attached in set inner tube 11, such as pin joint, is bolted etc..
In some embodiments, stiffener 14 is distorted as shown in Fig. 3, Fig. 6, Figure 10, between casing covering by being welded to connect On the outer wall of inner tube 11, thus, it is possible to distort stiffener 14 between guaranteeing casing and cover the bonding strength of 11 inner wall of inner tube.Certainly, Stiffener 14 is distorted between casing can also be using being otherwise attached on the outer wall of set inner tube 11, such as pin joint, is bolted Etc..
In some embodiments, as shown in Fig. 2, casing enhanced heat exchange unit block 1 further includes end pipe plate 19, end pipe plate 19 Cooperate and be used to support set inner tube 11 in the axial ends of set outer tube 12, and end pipe plate 19 is welded with set inner tube 11 and set outer tube 12 respectively It connects in succession.Thus, it is possible to improve the stability of set inner tube 11, and guarantee that inner cavity N and exocoel J are isolated.Certainly, end pipe plate 19 It can also be riveting with set inner tube 11 and the connection type for covering outer tube 12, be bolted etc..In some embodiments, such as Fig. 5 Shown, the first communication port 133 includes being located in the middle part of set inner tube distortion stiffener 13 to be formed as circular first recirculation hole 1331 Be formed as semicircular first circulation notch 1332 with set inner tube distortion 13 edge of stiffener is located at.First circulation notch 1332 with The inner wall of set inner tube 11 constitutes the hole flowed through for fluid.Certainly, the first circulation notch 1332 and first recirculation hole 1331 Shape is not limited to above-mentioned shape, may be formed as rectangular, triangle etc..It should be noted that in some embodiments, As shown in fig. 7, the first recirculation hole 1331 is formed as the hole of multiple aperture, various shapes, fluid can be further decreased in this way The resistance of circulation.
In some embodiments, as shown in Fig. 6, Figure 10, the second communication port 141 distorts 14 edge of stiffener between being located at casing And be formed as semicircular circulation notch, thus the inner wall of the second communication port 141 and set outer tube 12 is constituted passes through for fluid Hole.Certain second communication port 141 can also be formed as the notch of other shapes, such as rectangular, trapezoidal etc..Certainly in this hair In a little embodiments of bright two, the second communication port 141 is also possible to be formed in complete circle and distorts stiffener between being located at casing 14 middle part.
The casing enhanced heat exchange unit block 1 of the specific embodiment of the invention is described below with reference to Fig. 2-Figure 10.
As shown in Fig. 2-Fig. 3, the casing enhanced heat exchange unit block 1 of the present embodiment includes set inner tube 11, set outer tube 12, set Inner tube, which distorts, distorts stiffener 14 between stiffener 13 and casing.The inner cavity N for the sludge that circulates, inner cavity are limited in set inner tube 11 N has set inner tube import 15 and set inner tube outlet 16.Cover 12 housing of outer tube set inner tube 11 on, set outer tube 12 and set inner tube 11 it Between limit exocoel J for the sludge that circulates, exocoel J is isolated with inner cavity N, and exocoel J has set outer tube import 17 and cover outer tube Mouth 18.Set inner tube distortion stiffener 13 is located in the N of inner cavity, and set inner tube distortion stiffener 13 is configured to driving sludge and generates spiral rotation Turn of tidal stream is dynamic.Stiffener 14 is distorted between casing to be located in exocoel J, and stiffener 14 is distorted between casing and is configured to driving sludge generation spiral Rotational flow.
Distortion stiffener 14 can be there are many form between the set inner tube distortion stiffener 13 and casing of the present embodiment:
Example 1: as shown in Figure 4-Figure 7,14 shape of stiffener is distorted between this exemplary set inner tube distortion stiffener 13 and casing As single thread twisted straps, distortion stiffener 14 is welded to connect on the outer wall of set inner tube 11 between casing, and set inner tube distortion is strong Change part 13 to be welded to connect on the outer wall of set inner tube 11.It covers inner tube distortion stiffener 13 and is equipped with the first communication port 133, it is first-class Port 133 includes being located at being formed as circular first recirculation hole 1331 and being located at set inner tube for set inner tube distortion stiffener 13 middle part Distortion 13 edge of stiffener is formed as semicircular first circulation notch 1332.
Example 2: as shown in figure 8, this exemplary set inner tube distortion stiffener 13 includes multiple twisted straps 131 and multiple connections Part 132, each adjacent two twisted straps 131 are connected by a connector 132.
Example 3: as shown in figure 9, this exemplary set inner tube distortion stiffener 13 includes multiple twisted straps 131 and a connection Part 132, multiple twisted straps 131 are along the axially spaced setting of connector 132.
Example 4, as shown in Figure 10, distortion stiffener 14 includes multiple along set 11 axially spaced-apart of inner tube between this exemplary casing The sub- twisted straps set are opened up, every sub- twisted straps are by being welded to connect on the outer wall of set inner tube 11.Second communication port 141 is located at 14 edge of stiffener is distorted between casing and is formed as semicircular circulation notch, thus the second communication port 141 and set outer tube 12 Inner wall constitutes the hole passed through for fluid.
It is according to an embodiment of the present invention to penetrate mixing rotational-flow high-efficient double pipe heat exchanger 100, comprising: previously described casing Enhanced heat exchange unit block 1 and, the heat preservation member 6 for being kept the temperature to casing enhanced heat exchange unit block 1.
It is understood that exchanging heat for sludge-sludge, if using conventional double pipe heat exchanger, it is easy to generate Sludge laminar flow, deposition bond heat exchanging pipe wall, even block the phenomenon that heat exchanger tube, and conventional double pipe heat exchanger Heat exchange property is poor or even can hardly realize stable heat exchange.Further, since the factors such as fluid deposition, bonding cause flow resistance Greatly, and since heat exchange property is poor, the larger long flow path with sludge of the heat exchange area needed, as a result, the flow resistance of fluid It further increases, it is especially big to eventually lead to trandfer fluid power consumption.Moreover, it is realized using conventional double pipe heat exchanger dirty Mud-sludge heat exchange, due to heat exchange property is particularly poor and sleeve type structure is not compact, heat exchanger land occupation and cost are all special Big or even some situations can not carry out equipment arrangement etc..That is, existing conventional double pipe heat exchanger, is all difficult to reality Existing sludge-sludge long period stablizes heat exchange, let alone high efficient heat exchanging, and flow resistance is also especially big, and in operational process Middle heat exchange constantly reduces and flow resistance is continuously increased.Compared to conventional double pipe heat exchanger, the eddy flow of the embodiment of the present invention Formula high efficiency sleeve type heat exchanger, due to using previously described " set inner tube distorts stiffener 13 " and " distorting and strengthen between casing Part 14 ", and cover to distort between inner tube distortion stiffener 13 and casing and be respectively provided with the first of circulation sludge on stiffener 14 Communication port 133 and the second communication port 141, so that the heat exchanging fluid covered between the heat exchanging fluid and casing in inner tube 11 produces " Complex Flows that hole penetrates mixed flow are added in spiral rotating flowing ", so that fluid will not generate bias current, deposition, bonding and block up Phenomenon is filled in, also enhances heat transfer process significantly simultaneously, so as to realize the stabilization and high efficient heat exchanging of sludge and sludge, and Its flow resistance is also smaller while augmentation of heat transfer, sludge conveying power consumption is reduced, it is hereby achieved that significant heat Recycling and reduction sludge heat energy consumption, and significantly reduce sludge pumping power consumption, obtain significant energysaving effectiveness and environmental protection Benefit.
It is according to an embodiment of the present invention penetrate mixing rotational-flow high-efficient double pipe heat exchanger 100 can enhanced heat exchange process, it is real Show that long period between sludge and sludge is stable, high efficient heat exchanging, and has also reduced the flowing of sludge while augmentation of heat transfer Resistance reduces sludge conveying power consumption.The rotational-flow high-efficient double-tube heat exchanger of the embodiment of the present invention can not only obtain significantly as a result, Heat recovery and reduce sludge heating energy consumption, it is significant reduce sludge pumping power consumption, significant energy saving economy can also be obtained Benefit and environmental benefit.
In some embodiments, penetrating mixing rotational-flow high-efficient double pipe heat exchanger 100 further includes shell 5, and casing reinforcing is changed Hot cell component 1 is located in shell 5, and heat preservation member 6 is filled in shell 5.Mixing rotational-flow high-efficient casing is penetrated thus, it is possible to reduce The thermal loss of formula heat exchanger 100.
In some embodiments, casing enhanced heat exchange unit block 1 is multiple, multiple casing enhanced heat exchange unit blocks 1 Successively join end to end.The set inner tube 11 of multiple casing enhanced heat exchange unit blocks 1 is sequentially communicated by covering 11 connector of inner tube, more The set outer tube 12 of a casing enhanced heat exchange unit block 1 is sequentially communicated by covering 12 connector of outer tube.
It is understood that the heat exchange amount of single casing enhanced heat exchange unit block 1 is limited therefore high-power in order to realize Heat exchange, need by multiple casing enhanced heat exchange unit blocks 1 connect to realize compact Layout.As shown in Figure 1, casing is strengthened Connected between heat exchange unit component 1 by connector 4 between heat exchange unit, between heat exchange unit connector 4 include heat exchange unit between set in Outer pipe connections 42 are covered between pipe connections 41 and heat exchange unit.For the ease of structure design etc., usually multiple casings are strengthened The inner cavity N of heat exchange unit component 1 is connected to become fluid circulation space in a total casing, stream in fluid circulation space in casing It is dynamic to have a kind of heat transferring medium;And the exocoel J of multiple casing enhanced heat exchange unit blocks 11 flows between being connected to become a total casing The body flowing space, flowing has another heat transferring medium in fluid circulation space between casing.Inner tube connector 41 is covered between heat exchange unit The structure type that outer pipe connections 42 are covered between heat exchange unit can be flanged joint, welding, threaded connection or connect fastly.By In usually high temperature and pressure, advantageously, type of attachment flanged joint and/or welding.In some cases, it is covered between heat exchange unit outer Welding manner connection can be directly used in pipe connections 42.
Specifically, multiple casing enhanced heat exchange unit blocks 1 are successively arranged along sinuous direction, what needs to be explained here is that, The scheme that sinuous direction is successively arranged can be single arrangement of turning back repeatedly, is also possible to multiple rows of array and turns back repeatedly arrangement.? This scheme that do not arrange successively to sinuous direction makes concrete restriction, changes it is possible thereby to permit the pass through mixing rotational-flow high-efficient bushing type The structure of hot device 100 is more compact, reduces construction cost.
Mixing rotational-flow high-efficient double pipe heat exchanger 100 is penetrated below with reference to Fig. 1 description one specific embodiment of the present invention.
As shown in Figure 1, the present embodiment penetrate mixing rotational-flow high-efficient double pipe heat exchanger 100 include shell 5, it is multiple above The casing enhanced heat exchange unit block 1 and the heat preservation member 6 for being kept the temperature to casing enhanced heat exchange unit block 1.Set Pipe enhanced heat exchange unit block 1 is located in shell 5, and heat preservation member 6 is filled in shell 5, and casing enhanced heat exchange unit block is located at In heat preservation member 6.The structure of casing enhanced heat exchange unit block 1 is described in detail that details are not described herein above.
As shown in Figure 1, multiple casing enhanced heat exchange unit blocks 1 are successively arranged along sinuous direction.Adjacent casing is strengthened Connected between heat exchange unit component 1 by connector 4 between heat exchange unit, between heat exchange unit connector 4 include heat exchange unit between set in Outer pipe connections 42 are covered between pipe connections 41 and heat exchange unit.
As shown in Figure 1, the casing enhanced heat exchange unit block 1 for being located at the top and bottom be connected separately with set inner tube into Discharge connection 2 and set outer tube import and export adapter tube 3.Set inner tube is connected with specifically, being located at the set inner tube import 15 of the top Entrance sleeve 21, set outer tube, which exports, is connected with set outer tube discharge connection 32 at 18;Connect at the set inner tube outlet 16 of bottom It is connected to set inner tube outlet adapter tube 22, is connected at the set outer tube import 17 of the casing enhanced heat exchange unit block 1 of bottom Cover outer tube entrance sleeve 31.Hereby it is achieved that the fluid in inner cavity N and exocoel J flows in opposite direction, improve penetrate it is mixed Close the heat transfer effect of rotational-flow high-efficient double pipe heat exchanger 100.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims (10)

1. a kind of casing enhanced heat exchange unit block characterized by comprising
Inner tube is covered, the inner cavity for the sludge that circulates is limited in the set inner tube, the inner cavity has in set inner tube import and set Pipe outlet;
Outer tube is covered, the set outer tube housing limits between the set outer tube and the set inner tube for flowing in the set inner tube The exocoel of logical sludge, the exocoel are isolated with the inner cavity, and the exocoel has set outer tube import and the outlet of set outer tube;
It covers inner tube and distorts stiffener, the set inner tube distortion stiffener is located at described interior intracavitary, the set inner tube distortion stiffener It is equipped with the first communication port for the sludge that circulates, the set inner tube distortion stiffener is configured to driving sludge generation and penetrates mixing Eddy flow, first communication port include the first recirculation hole being located in the middle part of the set inner tube distortion stiffener and are located in the set Pipe distorts the first circulation notch at stiffener edge;
Stiffener is distorted between casing, distortion stiffener is located at described outer intracavitary between described sleeve pipe, and stiffener is distorted between described sleeve pipe It is equipped with the second communication port for the sludge that circulates, distortion stiffener is configured to driving sludge generation and penetrates mixing between described sleeve pipe Eddy flow, second communication port are the circulation notch that stiffener edge is distorted between being located at described sleeve pipe.
2. casing enhanced heat exchange unit block according to claim 1, which is characterized in that the set inner tube distorts stiffener At least one of stiffener is distorted between described sleeve pipe is formed as single thread twisted straps.
3. casing enhanced heat exchange unit block according to claim 1, which is characterized in that the set inner tube distorts stiffener At least one of stiffener is distorted between described sleeve pipe is formed as multi-head spiral twisted straps.
4. casing enhanced heat exchange unit block according to claim 1, which is characterized in that the set inner tube distorts stiffener At least one of stiffener is distorted between described sleeve pipe to be continuously arranged on the axial length direction of the set inner tube.
5. casing enhanced heat exchange unit block according to claim 1, which is characterized in that the set inner tube distorts stiffener It includes multiple torsions that setting is spaced apart in the axial direction of the set inner tube that at least one of stiffener is distorted between described sleeve pipe Bent band.
6. casing enhanced heat exchange unit block according to claim 1, which is characterized in that the set inner tube distorts stiffener Including being spaced apart the multiple twisted straps being arranged in the axial direction of the set inner tube, pass through company between twisted straps described in each adjacent two Fitting is connected.
7. one kind penetrates mixing rotational-flow high-efficient double pipe heat exchanger characterized by comprising any in -6 according to claim 1 Described in casing enhanced heat exchange unit block and, the heat preservation for being kept the temperature to described sleeve pipe enhanced heat exchange unit block Part.
8. according to claim 7 penetrate mixing rotational-flow high-efficient double pipe heat exchanger, which is characterized in that further include: shell, Described sleeve pipe enhanced heat exchange unit block is located in the shell, and the heat preservation member is filled in the shell, and described sleeve pipe is strong Change heat exchange unit component to be located in the heat preservation member.
9. according to claim 7 penetrate mixing rotational-flow high-efficient double pipe heat exchanger, which is characterized in that described sleeve pipe is strengthened Heat exchange unit component be it is multiple, multiple described sleeve pipe enhanced heat exchange unit blocks successively join end to end, wherein multiple described sleeve pipes The set inner tube of enhanced heat exchange unit block is sequentially communicated by covering inner tube connector, multiple described sleeve pipe enhanced heat exchange units The set outer tube of component is sequentially communicated by covering outer pipe connections.
10. according to claim 9 penetrate mixing rotational-flow high-efficient double pipe heat exchanger, which is characterized in that multiple sets Pipe enhanced heat exchange unit block is successively arranged along direction of wriggling.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111220004A (en) * 2020-03-09 2020-06-02 清华大学 Cross flattening rotational flow sleeve type heat exchange unit assembly and heat exchanger thereof

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109029035A (en) * 2018-05-17 2018-12-18 上海电力学院 Using the shell-and-tube exchanger of foam copper product
CN112679065B (en) * 2020-12-03 2022-03-29 清华大学 Organic solid waste thermal hydrolysis treatment system and treatment process thereof
CN112679064A (en) * 2020-12-03 2021-04-20 清华大学 Organic solid waste wet oxidation treatment system and treatment process thereof
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TWI763557B (en) 2021-07-13 2022-05-01 張宏森 Eddy Current Heat Exchanger

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201407930Y (en) * 2009-06-01 2010-02-17 刘洪亮 Highly-effective sewage heat exchanger
CN204649053U (en) * 2015-04-30 2015-09-16 湖南众合节能环保有限公司 Perforate hurricane band and be provided with its heat exchanger tube
CN105571355A (en) * 2016-03-07 2016-05-11 山东源一节能科技有限公司 Spring type efficient antifreezing sleeve heat exchanger
CN205462152U (en) * 2016-03-19 2016-08-17 江苏怡达化学股份有限公司 Direct oxidation legal system is equipped with epoxypropane's green synthesis reaction unit
CN106482547A (en) * 2016-11-30 2017-03-08 东北石油大学 Inside and outside Double helix is wandered about as a refugee heart separate type heat exchanger
CN107166995A (en) * 2017-06-17 2017-09-15 福建德兴节能科技有限公司 High-performance heat exchanger and application thereof
CN207515574U (en) * 2017-10-30 2018-06-19 清华大学 Casing enhanced heat exchange unit block and vortex type high-efficient double pipe heat exchanger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622969C2 (en) * 1986-07-09 1998-05-28 Schulze Oswald Kg Heat exchanger for heat recovery from sludge or similar liquids, in particular for the heat transfer from pasteurized sludge or digested sludge to raw sludge
FR2788590B1 (en) * 1999-01-14 2001-06-08 Sirven HEAT EXCHANGER, ESPECIALLY FOR MANURE PREHEATING
KR101369497B1 (en) * 2013-07-08 2014-02-28 주식회사 한성산업 Heat apparatus for heating sludge

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201407930Y (en) * 2009-06-01 2010-02-17 刘洪亮 Highly-effective sewage heat exchanger
CN204649053U (en) * 2015-04-30 2015-09-16 湖南众合节能环保有限公司 Perforate hurricane band and be provided with its heat exchanger tube
CN105571355A (en) * 2016-03-07 2016-05-11 山东源一节能科技有限公司 Spring type efficient antifreezing sleeve heat exchanger
CN205462152U (en) * 2016-03-19 2016-08-17 江苏怡达化学股份有限公司 Direct oxidation legal system is equipped with epoxypropane's green synthesis reaction unit
CN106482547A (en) * 2016-11-30 2017-03-08 东北石油大学 Inside and outside Double helix is wandered about as a refugee heart separate type heat exchanger
CN107166995A (en) * 2017-06-17 2017-09-15 福建德兴节能科技有限公司 High-performance heat exchanger and application thereof
CN207515574U (en) * 2017-10-30 2018-06-19 清华大学 Casing enhanced heat exchange unit block and vortex type high-efficient double pipe heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111220004A (en) * 2020-03-09 2020-06-02 清华大学 Cross flattening rotational flow sleeve type heat exchange unit assembly and heat exchanger thereof

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