CN108571903A - Heat exchanger and heat exchange method for accelerating heat exchange - Google Patents
Heat exchanger and heat exchange method for accelerating heat exchange Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 86
- 238000003756 stirring Methods 0.000 claims abstract description 52
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000000956 alloy Substances 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 13
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 15
- 238000003760 magnetic stirring Methods 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052702 rhenium Inorganic materials 0.000 claims description 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000011257 shell material Substances 0.000 claims 21
- 239000004411 aluminium Substances 0.000 claims 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 230000001133 acceleration Effects 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 239000011572 manganese Substances 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 238000009833 condensation Methods 0.000 abstract description 7
- 230000005494 condensation Effects 0.000 abstract description 7
- 230000003373 anti-fouling effect Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000009991 scouring Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000013019 agitation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
- F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本发明提供一种加速换热的换热器及换热方法，包括：壳体和封头；设置于壳体中的液体搅拌装置和换热管；设置于封头中的搅拌驱动装置。换热介质通过换热介质进料口进入壳体，并从换热介质出料口流出壳体；物料通过物料进料口进入壳体内的换热管，并从物料出料口流出换热管；搅拌换热介质，使换热介质与换热管充分接触，物料与换热介质通过换热管的管壁实现能量的互换。本发明通过搅拌装置促使换热介质加快运动，提高换热效率；采用螺纹螺旋换热管，物料对管壁冲刷力道大大增加，避免管壁处冷凝结垢；通过对换热管尺寸的优化实现防结垢和节能的平衡；换热管的材质选用包括纳米石墨烯的铝基合金，传热性能高，耐腐蚀，应用范围广，比重小，重量轻。
The invention provides a heat exchanger for accelerating heat exchange and a heat exchange method, comprising: a casing and a head; a liquid stirring device and a heat exchange tube arranged in the casing; and a stirring drive device arranged in the head. The heat exchange medium enters the shell through the heat exchange medium feed port, and flows out of the shell from the heat exchange medium discharge port; the material enters the heat exchange tube in the shell through the material feed port, and flows out of the heat exchange tube from the material discharge port Stir the heat exchange medium so that the heat exchange medium is in full contact with the heat exchange tube, and the energy exchange between the material and the heat exchange medium is realized through the tube wall of the heat exchange tube. The invention promotes the heat exchange medium to move faster through the stirring device, and improves the heat exchange efficiency; the threaded spiral heat exchange tube is adopted, and the scouring force of the material on the tube wall is greatly increased to avoid condensation and scaling on the tube wall; it is realized by optimizing the size of the heat exchange tube The balance between anti-fouling and energy saving; the material of the heat exchange tube is aluminum-based alloy including nano-graphene, which has high heat transfer performance, corrosion resistance, wide application range, small specific gravity and light weight.
Description
技术领域technical field
本发明涉及加速换热的换热器领域，特别是涉及一种加速换热的换热器及换热方法。The invention relates to the field of heat exchangers for accelerating heat exchange, in particular to a heat exchanger for accelerating heat exchange and a heat exchange method.
背景技术Background technique
换热器(heat exchanger)，是将热媒的部分热量传递给冷媒的设备，又称热交换器。换热器在化工、石油、制药、动力、食品、能源及其它许多工业生产中占有重要地位，在化工生产中换热器可作为加热器、冷却器、冷凝器、蒸发器和再沸器等，应用广泛。A heat exchanger is a device that transfers part of the heat of the heating medium to the refrigerant, also known as a heat exchanger. Heat exchangers play an important role in chemical, petroleum, pharmaceutical, power, food, energy and many other industrial productions. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators and reboilers, etc. ,Wide range of applications.
现有技术中的换热器换热时往往是依靠换热介质(冷凝介质)自身的流动来带走物料的热量，从而达到对物料降温的效果，这种方式的换热介质流动性太低，部分换热介质甚至都不会和换热管产生接触，换热效率非常低下。The heat exchanger in the prior art often relies on the flow of the heat exchange medium (condensation medium) itself to take away the heat of the material, so as to achieve the effect of cooling the material. The fluidity of the heat exchange medium in this way is too low , part of the heat exchange medium does not even come into contact with the heat exchange tubes, and the heat exchange efficiency is very low.
此外，换热管内的结垢也是影响换热效率的重要因素之一，现有换热器常用的直管和螺旋管都是表面以及内壁光滑的光管，管内物料流速分布状态基本是中心最高，越靠近管壁，流速越小，甚至到壁面附近几乎降为零，这样的流速分布使得管壁处的物料对管壁冲刷力道几乎为零，从而极易结垢。In addition, the fouling in the heat exchange tube is also one of the important factors affecting the heat exchange efficiency. The straight tubes and spiral tubes commonly used in existing heat exchangers are smooth tubes with smooth surfaces and inner walls, and the flow rate distribution of the materials in the tubes is basically the highest in the center. , the closer to the pipe wall, the smaller the flow velocity, and it even drops to almost zero near the wall surface. Such a flow velocity distribution makes the material at the pipe wall have almost zero scouring force on the pipe wall, so it is very easy to scale.
因此，如何解决换热介质流动性低、换热管内壁容易结垢等问题，提高换热器的换热效率已成为本领域技术人员亟待解决的问题之一。Therefore, how to solve the problems of low fluidity of the heat exchange medium, easy fouling of the inner wall of the heat exchange tube, etc., and improve the heat exchange efficiency of the heat exchanger has become one of the problems to be solved urgently by those skilled in the art.
发明内容Contents of the invention
鉴于以上所述现有技术的缺点，本发明的目的在于提供一种加速换热的换热器及换热方法，用于解决现有技术中换热介质流动性低、换热管内壁容易结垢等问题。In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a heat exchanger and a heat exchange method for accelerating heat exchange, which are used to solve the problem of low fluidity of the heat exchange medium and easy condensation of the inner wall of the heat exchange tube in the prior art. Dirt and other issues.
为实现上述目的及其他相关目的，本发明提供一种加速换热的换热器，所述加速换热的换热器至少包括：In order to achieve the above purpose and other related purposes, the present invention provides a heat exchanger for accelerating heat exchange, the heat exchanger for accelerating heat exchange at least includes:
壳体，所述壳体的两端与封头连接，所述壳体与至少一个封头之间通过隔板隔开，所述壳体上设置有换热介质出料口及换热介质进料口，用以容纳换热介质；A shell, the two ends of the shell are connected to the head, the shell is separated from at least one head by a partition, the shell is provided with a heat exchange medium outlet and a heat exchange medium inlet The feed port is used to accommodate the heat exchange medium;
液体搅拌装置，设置于所述壳体中，用以对所述壳体中的换热介质进行搅拌，以加速所述换热介质的运动；A liquid stirring device, arranged in the housing, is used to stir the heat exchange medium in the housing to accelerate the movement of the heat exchange medium;
搅拌驱动装置，设置于与所述壳体隔开的封头中，用以驱动所述液体搅拌装置；Stirring driving device, arranged in the head separated from the housing, to drive the liquid stirring device;
换热管，设置于所述壳体内，两端分别与所述壳体上的物料进料口和物料出料口连接，用以容纳物料。The heat exchange tube is arranged in the casing, and its two ends are respectively connected to the material inlet and the material outlet on the casing to accommodate materials.
优选地，所述加速换热的换热器还包括一底座，所述底座位于所述壳体下方，用于支撑所述加速换热的换热器。Preferably, the heat exchanger for accelerating heat exchange further includes a base, and the base is located under the housing for supporting the heat exchanger for accelerating heat exchange.
优选地，所述换热介质出料口与所述物料进料口设置于所述壳体的一端，所述换热介质进料口与所述物料出料口设置于所述壳体的另一端。Preferably, the heat exchange medium outlet and the material inlet are arranged at one end of the housing, and the heat exchange medium inlet and the material outlet are arranged at the other end of the housing. one end.
优选地，所述液体搅拌装置包括搅拌桨，所述搅拌桨通过连接轴与所述搅拌驱动装置连接，所述连接轴穿过所述壳体与所述封头之间的隔板。Preferably, the liquid stirring device includes a stirring paddle, the stirring paddle is connected to the stirring driving device through a connecting shaft, and the connecting shaft passes through the partition between the shell and the sealing head.
更优选地，所述搅拌驱动装置包括电机。More preferably, the agitation driving device includes a motor.
优选地，所述液体搅拌装置包括磁子。Preferably, the liquid stirring device includes a magnet.
更优选地，所述液体搅拌装置还包括一滤网罩，固定于所述壳体与所述封头之间的隔板上，用以将所述磁子限制于所述滤网罩与所述隔板之间。More preferably, the liquid stirring device further includes a filter screen cover, which is fixed on the partition between the housing and the head, and is used to restrict the magnet to the filter screen cover and the sealing head. between the partitions.
更优选地，所述搅拌驱动装置为磁力搅拌装置。More preferably, the stirring drive device is a magnetic stirring device.
优选地，所述换热管与所述壳体同轴设置。Preferably, the heat exchange tube is arranged coaxially with the casing.
优选地，所述换热管的形状为直线形。Preferably, the shape of the heat exchange tube is straight.
优选地，所述换热管的形状为螺旋形。Preferably, the shape of the heat exchange tube is spiral.
更优选地，所述换热管的螺旋直径为所述壳体直径的3/5～4/5。More preferably, the spiral diameter of the heat exchange tube is 3/5˜4/5 of the shell diameter.
更优选地，所述换热管的管径与所述换热管的螺旋直径之比为0.15～0.2。More preferably, the ratio of the tube diameter of the heat exchange tube to the spiral diameter of the heat exchange tube is 0.15˜0.2.
优选地，所述换热管的内壁上设置有螺纹，以提高所述物料在所述换热管内壁处的流速。Preferably, threads are provided on the inner wall of the heat exchange tube to increase the flow velocity of the material at the inner wall of the heat exchange tube.
更优选地，所述换热管内壁上螺纹的螺距设置为25mm～35mm。More preferably, the pitch of the thread on the inner wall of the heat exchange tube is set at 25 mm to 35 mm.
更优选地，所述换热管内壁上螺纹的槽深设置为0.8mm～1.0mm。More preferably, the groove depth of the thread on the inner wall of the heat exchange tube is set to be 0.8mm˜1.0mm.
优选地，所述换热管的材质为铝基合金。Preferably, the material of the heat exchange tube is aluminum-based alloy.
更优选地，所述铝基合金包括铝、纳米石墨烯。More preferably, the aluminum-based alloy includes aluminum and nano-graphene.
更优选地，所述铝基合金的组分包括：硅0.3％～4％，铜3.0％～5％，锰0.5％～1％，铬0.3％～0.5％，铼1.2％～1.8％，硼1％～1.5％，镁0.038％～0.048％，纳米石墨烯3.5～5％，钛0.015％～0.02％，余量为铝。More preferably, the composition of the aluminum-based alloy includes: 0.3% to 4% of silicon, 3.0% to 5% of copper, 0.5% to 1% of manganese, 0.3% to 0.5% of chromium, 1.2% to 1.8% of rhenium, boron 1%-1.5%, magnesium 0.038%-0.048%, nano-graphene 3.5-5%, titanium 0.015%-0.02%, and the balance is aluminum.
为实现上述目的及其他相关目的，本发明还提供一种换热方法，所述换热方法至少包括：In order to achieve the above purpose and other related purposes, the present invention also provides a heat exchange method, the heat exchange method at least includes:
换热介质通过换热介质进料口进入壳体，并从换热介质出料口流出所述壳体；The heat exchange medium enters the shell through the heat exchange medium feed port, and flows out of the shell through the heat exchange medium discharge port;
物料通过物料进料口进入所述壳体内的换热管，并从物料出料口流出所述换热管；The material enters the heat exchange tube in the shell through the material inlet, and flows out of the heat exchange tube through the material outlet;
搅拌所述壳体中的所述换热介质，以加速所述换热介质的运动，使所述换热介质与所述换热管充分接触，所述物料与所述换热介质通过所述换热管的管壁实现能量的互换。Stirring the heat exchange medium in the housing to accelerate the movement of the heat exchange medium so that the heat exchange medium fully contacts the heat exchange tubes, and the material and the heat exchange medium pass through the The tube wall of the heat exchange tube realizes energy exchange.
优选地，所述物料与所述换热介质的流动方向相反，以提高换热效率。Preferably, the flow direction of the material is opposite to that of the heat exchange medium, so as to improve heat exchange efficiency.
优选地，通过电机驱动所述壳体中的搅拌桨实现所述换热介质的加速运动。Preferably, the accelerated movement of the heat exchange medium is realized by driving the stirring paddle in the housing by a motor.
优选地，通过磁力搅拌装置驱动所述壳体中的磁子转动进而实现所述换热介质的加速运动。Preferably, the magnet in the casing is driven to rotate by a magnetic stirring device so as to realize the accelerated movement of the heat exchange medium.
优选地，所述换热管的内壁设置螺纹，使所述物料的流速从所述换热管的中心到内壁逐渐增大，避免所述换热管内壁结垢。Preferably, the inner wall of the heat exchange tube is provided with threads, so that the flow rate of the material gradually increases from the center of the heat exchange tube to the inner wall, so as to avoid scaling on the inner wall of the heat exchange tube.
优选地，所述换热管采用螺旋形，以增加所述物料与所述换热介质换热面积，进而提高换热效率。Preferably, the heat exchange tube adopts a spiral shape to increase the heat exchange area between the material and the heat exchange medium, thereby improving heat exchange efficiency.
如上所述，本发明的加速换热的换热器及换热方法，具有以下有益效果：As mentioned above, the heat exchanger and heat exchange method for accelerating heat exchange of the present invention have the following beneficial effects:
1、本发明的加速换热的换热器及换热方法通过设置搅拌装置促使换热介质加快运动，并与换热管充分接触而发生热交换，从而提高了换热效率。1. The heat exchanger and heat exchange method for accelerating heat exchange of the present invention promote the heat exchange medium to move faster by setting a stirring device, and fully contact with the heat exchange tube to perform heat exchange, thereby improving the heat exchange efficiency.
2、本发明的加速换热的换热器及换热方法通过搅拌装置促使换热介质加快运动，起到冲刷换热管外壁的作用，避免换热介质在换热管外壁结垢而影响换热效率。2. The heat exchanger and heat exchange method for accelerating heat exchange of the present invention promote the heat exchange medium to move faster through the stirring device, and play the role of scouring the outer wall of the heat exchange tube, so as to avoid fouling of the heat exchange medium on the outer wall of the heat exchange tube and affect the exchange rate. Thermal efficiency.
3、本发明的加速换热的换热器及换热方法采用螺纹螺旋换热管，由于换热管的湍动能在螺纹槽附近很大，中心区域比较小，使得换热管内物料流速分布与光管恰好相反，这样的流速分布使得管壁处的物料对管壁冲刷力道大大增加，避免物料在管壁处冷凝结垢，从而解决了现有换热器因换热管结构造成的极易结垢的问题。3. The heat exchanger and heat exchange method for accelerating heat exchange of the present invention adopt threaded spiral heat exchange tubes. Since the turbulent kinetic energy of the heat exchange tubes is large near the thread grooves and the central area is relatively small, the flow velocity distribution of the materials in the heat exchange tubes is similar to that of the heat exchange tubes. The light tube is just the opposite. Such a flow velocity distribution greatly increases the force of the material at the tube wall to wash against the tube wall, avoiding the condensation and fouling of the material at the tube wall, thus solving the problem of the existing heat exchanger caused by the structure of the heat exchange tube. scaling problem.
4、本发明的加速换热的换热器及换热方法经多次实验验证，对换热管内壁的螺纹在螺距、槽深以及换热管的管径与螺旋直径之比进行设定，以综合压阻以及湍动能，使本发明的加速换热的换热器在防结垢、节能方面达到平衡。4. The heat exchanger and heat exchange method for accelerating heat exchange of the present invention have been verified by multiple experiments, and the pitch, groove depth, and ratio of the diameter of the heat exchange tube to the spiral diameter of the thread on the inner wall of the heat exchange tube are set. By combining pressure resistance and turbulent kinetic energy, the accelerated heat exchange heat exchanger of the present invention achieves a balance in terms of anti-scaling and energy saving.
5、本发明的加速换热的换热器及换热方法中的换热管的材质选用铝基合金，其中含有的纳米石墨烯能大大提高传热性能，铝基合金本身耐腐蚀，应用范围广，比重小，重量轻。5. The material of the heat exchanger for accelerating heat exchange and the heat exchange tube in the heat exchange method of the present invention is aluminum-based alloy, and the nano-graphene contained therein can greatly improve the heat transfer performance, and the aluminum-based alloy itself is corrosion-resistant. wide, small specific gravity, light weight.
附图说明Description of drawings
图1显示为本发明的加速换热的换热器的外观示意图。Fig. 1 is a schematic diagram showing the appearance of the heat exchanger for accelerating heat exchange of the present invention.
图2显示为本发明的加速换热的换热器的一种内部结构示意图。Fig. 2 is a schematic diagram of the internal structure of the heat exchanger for accelerating heat exchange of the present invention.
图3显示为本发明的换热管的结构示意图。Fig. 3 is a schematic structural view of the heat exchange tube of the present invention.
图4显示为本发明的换热管的截面示意图。Fig. 4 is a schematic cross-sectional view of the heat exchange tube of the present invention.
图5显示为本发明的加速换热的换热器的另一种内部结构示意图。Fig. 5 is a schematic diagram of another internal structure of the heat exchanger for accelerating heat exchange of the present invention.
元件标号说明Component designation description
1 壳体1 housing
2 封头2 heads
3 物料进料口3 Material inlet
4 换热介质出料口4 Heat exchange medium outlet
5 物料出料口5 Material outlet
6 换热介质进料口6 Heat exchange medium inlet
7 底座7 base
8 换热管8 heat exchange tubes
9 换热管的输入端9 Input end of heat exchange tube
10 螺纹10 thread
11 换热管的输出端11 The output end of the heat exchange tube
12 隔板12 partitions
13 电机13 motor
14 搅拌桨14 paddle
15 连接轴15 connecting shaft
16 滤网罩16 Filter cover
17 磁子17 magneton
18 磁力搅拌装置18 Magnetic stirring device
D1 壳体的直径D1 Diameter of the housing
D2 换热管的螺旋直径D2 Spiral diameter of heat exchange tube
D3 换热管的管径D3 Diameter of heat exchange tube
L 螺纹的螺距L Pitch of thread
H 螺纹的槽深H Thread groove depth
具体实施方式Detailed ways
以下通过特定的具体实例说明本发明的实施方式，本领域技术人员可由本说明书所揭露的内容轻易地了解本发明的其他优点与功效。本发明还可以通过另外不同的具体实施方式加以实施或应用，本说明书中的各项细节也可以基于不同观点与应用，在没有背离本发明的精神下进行各种修饰或改变。Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.
请参阅图1～图5。需要说明的是，本实施例中所提供的图示仅以示意方式说明本发明的基本构想，遂图式中仅显示与本发明中有关的组件而非按照实际实施时的组件数目、形状及尺寸绘制，其实际实施时各组件的型态、数量及比例可为一种随意的改变，且其组件布局型态也可能更为复杂。Please refer to Figure 1 to Figure 5. It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implementation, and the component layout type may also be more complicated.
实施例一Embodiment one
如图1～图4所示，本实施例提供一种加速换热的换热器，所述加速换热的换热器至少包括：As shown in Figures 1 to 4, this embodiment provides a heat exchanger for accelerating heat exchange, and the heat exchanger for accelerating heat exchange at least includes:
壳体1、封头2、底座7、换热管8、隔板12、电极13、搅拌桨14及连接轴15。Shell 1 , head 2 , base 7 , heat exchange tube 8 , separator 12 , electrode 13 , stirring paddle 14 and connecting shaft 15 .
如图1所示，所述壳体1为桶状结构，在本实施例中，所述壳体1为圆柱形结构，所述壳体1的直径为D1。所述壳体1横向设置于所述底座7上，所述底座7的上表面为一弧形结构，与所述壳体1的弧形面贴合，所述底座7的下表面为一平面，用于支撑所述壳体1，以保持所述壳体1的稳固。As shown in FIG. 1 , the housing 1 is a barrel-shaped structure. In this embodiment, the housing 1 is a cylindrical structure, and the diameter of the housing 1 is D1. The housing 1 is arranged laterally on the base 7, the upper surface of the base 7 is an arc-shaped structure, which fits with the arc-shaped surface of the housing 1, and the lower surface of the base 7 is a plane , used to support the housing 1 to keep the housing 1 stable.
如图1～图2所示，所述壳体1的两端与封头2连接，所述壳体1与至少一个封头2之间通过隔板12隔开，在本实施例中，所述壳体1与两端的封头2之间均设置有所述隔板12，所述封头2为往外突出的弧形面。所述壳体1上设置有物料进料口3、换热介质出料口4、物料出料口5及换热介质进料口6。换热介质通过所述换热介质进料口6进入所述壳体1，并通过所述换热介质出料口4从所述壳体1中流出，所述换热介质在所述壳体1中流动，以提供一冷媒。As shown in Figures 1 to 2, both ends of the housing 1 are connected to the head 2, and the housing 1 and at least one head 2 are separated by a partition 12. In this embodiment, the The partitions 12 are arranged between the casing 1 and the sealing heads 2 at both ends, and the sealing heads 2 are arc-shaped surfaces protruding outward. The shell 1 is provided with a material inlet 3 , a heat exchange medium outlet 4 , a material outlet 5 and a heat exchange medium inlet 6 . The heat exchange medium enters the shell 1 through the heat exchange medium feed port 6, and flows out of the shell 1 through the heat exchange medium discharge port 4. 1 flow to provide a refrigerant.
如图2所示，所述液体搅拌装置设置于所述壳体1中，用以对所述壳体1中的换热介质进行搅拌，以加速所述换热介质的运动。所述搅拌驱动装置设置于所述封头2与所述隔板12之间的空腔中，用以驱动所述液体搅拌装置。在本实施例中，所述液体搅拌装置为搅拌桨14，所述搅拌驱动装置为电机13，所述搅拌桨14通过所述连接轴15与所述电机13连接，所述连接轴15穿过所述壳体1与所述封头2之间的隔板12。在本实施例中，所述液体搅拌装置及所述搅拌驱动装置设置为两套，分别设置于所述壳体1的两端。换热器工作时，开启所述搅拌驱动装置，驱动所述液体搅拌装置搅动所述壳体1内部的换热介质，促使换热介质加快运动，并与所述换热管8充分接触而发生热交换，从而解决换热器换热效率低下的问题。所述电机13通过电能驱动所述搅拌桨14转动，即可搅动所述壳体1内部的换热介质，结构简单，易于实现。As shown in FIG. 2 , the liquid stirring device is arranged in the shell 1 to stir the heat exchange medium in the shell 1 to accelerate the movement of the heat exchange medium. The stirring driving device is arranged in the cavity between the sealing head 2 and the partition 12 to drive the liquid stirring device. In this embodiment, the liquid stirring device is a stirring paddle 14, and the stirring driving device is a motor 13, and the stirring paddle 14 is connected to the motor 13 through the connecting shaft 15, and the connecting shaft 15 passes through A partition 12 between the shell 1 and the head 2 . In this embodiment, the liquid stirring device and the stirring driving device are provided in two sets, which are respectively provided at both ends of the housing 1 . When the heat exchanger is working, the agitation drive device is turned on, and the liquid agitation device is driven to agitate the heat exchange medium inside the housing 1, so that the heat exchange medium moves faster and fully contacts the heat exchange tube 8 to generate Heat exchange, thereby solving the problem of low heat exchange efficiency of the heat exchanger. The motor 13 drives the stirring paddle 14 to rotate through electric energy, so as to stir the heat exchange medium inside the housing 1 , which has a simple structure and is easy to implement.
如图1所示，所述换热管8设置于所述壳体1内，所述换热管8的两端分别与所述壳体1上的所述物料进料口3和物料出料口5连接。物料通过所述物料进料口3进入所述换热管8，并通过所述物料出料口5从所述换热管8流出，所述物料在所述换热管8中流动，以提供一热媒。As shown in Figure 1, the heat exchange tube 8 is arranged in the housing 1, and the two ends of the heat exchange tube 8 are connected to the material inlet 3 and the material discharge port on the housing 1 respectively. Port 5 is connected. The material enters the heat exchange tube 8 through the material inlet 3, and flows out from the heat exchange tube 8 through the material outlet 5, and the material flows in the heat exchange tube 8 to provide A heat medium.
如图1所示，在本实施例中，所述换热介质出料口4与所述物料进料口3设置于所述壳体1的左下侧，所述换热介质进料口6与所述物料出料口5设置于所述壳体1的右下侧，以此实现换热介质与物料的流动方向相反，进而提高换热效率。在实际设计中，所述物料进料口3、所述换热介质出料口4、所述物料出料口5及所述换热介质进料口6的位置可根据实际需要做具体设定，任意能实现热介质与物料的流动方向相反的位置设置均适用于本发明的加速换热的换热器。As shown in Figure 1, in this embodiment, the heat exchange medium outlet 4 and the material inlet 3 are arranged on the lower left side of the housing 1, and the heat exchange medium inlet 6 and the The material discharge port 5 is arranged on the lower right side of the housing 1, so as to realize that the flow direction of the heat exchange medium is opposite to that of the material, thereby improving the heat exchange efficiency. In actual design, the positions of the material inlet 3, the heat exchange medium outlet 4, the material outlet 5 and the heat exchange medium inlet 6 can be specifically set according to actual needs , any location setting that can realize the opposite flow direction of the heat medium and the material is applicable to the heat exchanger for accelerating heat exchange of the present invention.
如图2～图3所示，所述换热管8与所述壳体1同轴设置，所述换热管8的输入端9对应连接所述物料进料口3，所述换热管8的输出端11对应连接所述物料出料口5。所述换热管8为直线形或螺旋形，在本实施例中，所述换热管8为螺旋形结构，可最大限度利用所述壳体1的内部空间，增大换热面积，提高换热效率。As shown in Figures 2 to 3, the heat exchange tube 8 is arranged coaxially with the housing 1, and the input end 9 of the heat exchange tube 8 is correspondingly connected to the material inlet 3, and the heat exchange tube The output end 11 of 8 is correspondingly connected to the material outlet 5 . The heat exchange tube 8 is linear or spiral. In this embodiment, the heat exchange tube 8 is a spiral structure, which can maximize the use of the internal space of the shell 1, increase the heat exchange area, and improve heat transfer efficiency.
具体地，所述换热管8的螺旋直径D2为所述壳体1的直径D1的3/5～4/5。所述换热管8的管径D3与所述换热管8的螺旋直径D2之比为0.15～0.2，在本实施例中，所述换热管8的管径D3与所述换热管8的螺旋直径D2之比设定为0.15。Specifically, the spiral diameter D2 of the heat exchange tube 8 is 3/5˜4/5 of the diameter D1 of the housing 1 . The ratio of the diameter D3 of the heat exchange tube 8 to the spiral diameter D2 of the heat exchange tube 8 is 0.15-0.2. The ratio of the helical diameter D2 of 8 was set to 0.15.
如图2～图4所示，所述换热管8的内壁上设置有螺纹10，用以提高所述物料在所述换热管8内壁处的流速。As shown in FIGS. 2 to 4 , threads 10 are provided on the inner wall of the heat exchange tube 8 to increase the flow velocity of the material at the inner wall of the heat exchange tube 8 .
具体地，如图2～图4所示，所述换热管8内壁上螺纹10的螺距L设置为25mm～35mm，所述换热管8内壁上螺纹10的槽深H设置为0.8mm～1.0mm。在本实施例中，所述螺纹10的螺距L设置为25mm，所述螺纹10的槽深H设置为0.8mm。所述换热管8的湍动能在所述螺纹10的螺旋槽附近很大，在所述换热管8的中心区域比较小，使得所述换热管8内物料流速分布与光管恰好相反，即中间小，管壁处大，这样的流速分布使得管壁处的物料对管壁冲刷力道大大增加，避免物料在管壁处冷凝结垢，可有效解决换热管结垢的问题。Specifically, as shown in Figures 2 to 4, the pitch L of the thread 10 on the inner wall of the heat exchange tube 8 is set to 25 mm to 35 mm, and the groove depth H of the thread 10 on the inner wall of the heat exchange tube 8 is set to 0.8 mm to 0.8 mm. 1.0mm. In this embodiment, the pitch L of the thread 10 is set to 25 mm, and the groove depth H of the thread 10 is set to 0.8 mm. The turbulent kinetic energy of the heat exchange tube 8 is very large near the spiral groove of the thread 10, and relatively small in the central area of the heat exchange tube 8, so that the flow velocity distribution of the material in the heat exchange tube 8 is just opposite to that of the bare tube. , that is, the middle is small, and the tube wall is large. Such a flow velocity distribution greatly increases the scouring force of the material at the tube wall against the tube wall, avoiding the condensation and scaling of the material on the tube wall, which can effectively solve the problem of heat exchange tube scaling.
实施例二Embodiment two
本实施例提供一种加速换热的换热器，所述加速换热的换热器的结构与实施例一类似，不同之处在于，本实施例中的液体搅拌装置为磁子，搅拌驱动装置为磁力搅拌装置。This embodiment provides a heat exchanger for accelerating heat exchange. The structure of the heat exchanger for accelerating heat exchange is similar to that of Embodiment 1. The difference is that the liquid stirring device in this embodiment is a magnet, which is driven by stirring. The device is a magnetic stirring device.
具体地，如图5所示，所述搅拌驱动装置包括磁子17、滤网罩16，所述搅拌驱动装置为磁力搅拌装置18。所述滤网罩16固定于所述壳体1与所述封头2之间的隔板上，所述磁子17设置于所述滤网罩16中，用以将所述磁子17限制于所述滤网罩16与所述隔板12之间，避免所述磁子17转动击打所述换热管8，起到保护作用。所述磁力搅拌装置18通过磁力控制所述磁子17转动，从而搅动所述壳体1内部的换热介质，无需设置连接轴，密封性能较好。Specifically, as shown in FIG. 5 , the stirring driving device includes a magnet 17 and a filter screen cover 16 , and the stirring driving device is a magnetic stirring device 18 . The filter screen cover 16 is fixed on the partition between the housing 1 and the head 2, and the magnet 17 is arranged in the filter screen cover 16 to limit the magnet 17 Between the filter screen cover 16 and the partition plate 12, the magnet 17 is prevented from rotating and hitting the heat exchange tube 8, which plays a protective role. The magnetic stirring device 18 controls the rotation of the magnet 17 through magnetic force, so as to stir the heat exchange medium inside the housing 1 , no connecting shaft is needed, and the sealing performance is better.
实施例三Embodiment Three
本实施例提供一种加速换热的换热器，所述加速换热的换热器的结构与实施例一类似，不同之处在于，本实施例中的换热管的尺寸与实施例一中的换热管的尺寸不同。This embodiment provides a heat exchanger for accelerating heat exchange. The structure of the heat exchanger for accelerating heat exchange is similar to that of Embodiment 1. The difference is that the size of the heat exchange tubes in this embodiment is the same as that of Embodiment 1. The heat exchange tubes in the tubes are of different sizes.
具体地，所述换热管8的内壁上设有螺纹10，所述螺纹10的螺距L为30mm、槽深H为0.9mm，所述换热管8的管径D3与所述换热管8的螺旋直径D2之比设定为0.18。本实施例的加速换热的换热器同样可达到防结垢的目的。Specifically, the inner wall of the heat exchange tube 8 is provided with a screw thread 10, the pitch L of the screw thread 10 is 30 mm, and the groove depth H is 0.9 mm. The ratio of the helical diameter D2 of 8 was set to 0.18. The heat exchanger for accelerating heat exchange in this embodiment can also achieve the purpose of anti-fouling.
实施例四Embodiment Four
本实施例提供一种加速换热的换热器，所述加速换热的换热器的结构与实施例一类似，不同之处在于，本实施例中的换热管的尺寸与实施例一中的换热管的尺寸不同。This embodiment provides a heat exchanger for accelerating heat exchange. The structure of the heat exchanger for accelerating heat exchange is similar to that of Embodiment 1. The difference is that the size of the heat exchange tubes in this embodiment is the same as that of Embodiment 1. The heat exchange tubes in the tubes are of different sizes.
具体地，所述换热管8的内壁上设有螺纹10，所述螺纹10的螺距L为30mm、槽深H为1.0mm，所述换热管8的管径D3与所述换热管8的螺旋直径D2之比设定为0.2。本实施例的加速换热的换热器同样可达到防结垢的目的。Specifically, the inner wall of the heat exchange tube 8 is provided with a screw thread 10, the pitch L of the screw thread 10 is 30 mm, and the groove depth H is 1.0 mm. The ratio of the helical diameter D2 of 8 was set to 0.2. The heat exchanger for accelerating heat exchange in this embodiment can also achieve the purpose of anti-fouling.
通过在设定范围内不同的螺纹螺距L、槽深H以及换热管的管径D3与螺旋直径D2之比的组合，均可实现防结垢的目的，在此不一一列举。The purpose of anti-fouling can be achieved by different combinations of thread pitch L, groove depth H, and ratio of heat exchange tube diameter D3 to screw diameter D2 within the set range, and will not be listed here.
实施例五Embodiment five
本实施例提供一种加速换热的换热器，所述加速换热的换热器的结构与实施例一类似，不同之处在于，进一步对换热管的材质进行了限定。This embodiment provides a heat exchanger for accelerating heat exchange. The structure of the heat exchanger for accelerating heat exchange is similar to that of Embodiment 1, except that the material of the heat exchange tube is further limited.
具体地，所述换热管8的材质为铝基合金，基于铝基合金耐腐蚀、比重小的特点，制得的换热管8具有耐腐蚀性、应用范围广、重量轻、搬运时省时省力等优点。Specifically, the material of the heat exchange tube 8 is an aluminum-based alloy. Based on the characteristics of corrosion resistance and small specific gravity of the aluminum-based alloy, the prepared heat exchange tube 8 has corrosion resistance, a wide range of applications, light weight, and saves time for transportation. Time-saving and labor-saving advantages.
更具体地，所述铝基合金包括铝、纳米石墨烯。其中，纳米石墨烯能大大提高传热性能。More specifically, the aluminum-based alloy includes aluminum and nano-graphene. Among them, nano-graphene can greatly improve the heat transfer performance.
在本实施例中，所述铝基合金按重量百分比计量的的组分包括：硅0.3％～4％，铜3.0％～5％，锰0.5％～1％，铬0.3％～0.5％，铼1.2％～1.8％，硼1％～1.5％，镁0.038％～0.048％，纳米石墨烯3.5～5％，钛0.015％～0.02％，余量为铝。In this embodiment, the components of the aluminum-based alloy measured by weight percentage include: 0.3% to 4% of silicon, 3.0% to 5% of copper, 0.5% to 1% of manganese, 0.3% to 0.5% of chromium, rhenium 1.2% to 1.8%, boron 1% to 1.5%, magnesium 0.038% to 0.048%, nano graphene 3.5% to 5%, titanium 0.015% to 0.02%, and the balance is aluminum.
实施例六Embodiment six
如图1～图5所示，本实施例提供一种换热方法，对应于实施例一～实施例五的加速换热的换热器的方法实施例，所述换热方法至少包括：As shown in Figures 1 to 5, this embodiment provides a heat exchange method, which corresponds to the embodiment of the heat exchanger method for accelerating heat exchange in Embodiments 1 to 5, and the heat exchange method at least includes:
所述换热介质通过所述换热介质进料口6进入所述壳体1，并从所述换热介质出料口4流出所述壳体1。The heat exchange medium enters the shell 1 through the heat exchange medium inlet 6 and flows out of the shell 1 through the heat exchange medium outlet 4 .
所述物料通过所述物料进料口3进入所述壳体1内的换热管8，并从所述物料出料口5流出所述换热管8。The material enters the heat exchange tube 8 in the housing 1 through the material inlet 3 , and flows out of the heat exchange tube 8 through the material outlet 5 .
搅拌所述壳体1中的所述换热介质，以加速所述换热介质的运动，使所述换热介质与所述换热管8充分接触，所述物料与所述换热介质通过所述换热管8的管壁实现能量的互换。Stirring the heat exchange medium in the shell 1 to accelerate the movement of the heat exchange medium, so that the heat exchange medium fully contacts with the heat exchange tube 8, and the material and the heat exchange medium pass through The tube walls of the heat exchange tubes 8 realize energy exchange.
具体地，如图1所示，在本实施例中，所述换热介质的流向为从右往左。所述物料的流向为从左往右。所述物料与所述换热介质的流动方向相反，以提高换热效率。Specifically, as shown in FIG. 1 , in this embodiment, the flow direction of the heat exchange medium is from right to left. The flow direction of the material is from left to right. The flow direction of the material and the heat exchange medium is opposite to improve heat exchange efficiency.
具体地，如图2所示，通过电机13驱动所述壳体1中的搅拌桨14实现所述换热介质的加速运动。所述电机13通过电能驱动所述搅拌桨14转动，即可搅动所述壳体1内部的换热介质，结构简单，易于实现。如图5所示，作为本发明的另一实施方式，可通过磁力搅拌装置18驱动所述壳体1中的磁子17转动进而实现所述换热介质的加速运动。所述磁力搅拌装置18通过磁力控制所述磁子17转动，从而搅动所述壳体1内部的换热介质，无需设置连接轴，密封性能较好。Specifically, as shown in FIG. 2 , the motor 13 drives the stirring paddle 14 in the casing 1 to realize the accelerated movement of the heat exchange medium. The motor 13 drives the stirring paddle 14 to rotate through electric energy, so as to stir the heat exchange medium inside the housing 1 , which has a simple structure and is easy to implement. As shown in FIG. 5 , as another embodiment of the present invention, the magnet 17 in the casing 1 can be driven to rotate by a magnetic stirring device 18 to realize the accelerated movement of the heat exchange medium. The magnetic stirring device 18 controls the rotation of the magnet 17 through magnetic force, so as to stir the heat exchange medium inside the housing 1 , no connecting shaft is needed, and the sealing performance is better.
具体地，如图3～图4所示，所述换热管8的内壁上设置的螺纹10使得所述换热管8的湍动能在所述螺纹10的螺旋槽附近很大，在所述换热管8的中心区域比较小，内壁大中心小的流速分布使得管壁处的物料对管壁冲刷力道大大增加，可有效避免物料在管壁处冷凝结垢，解决换热管结垢的问题。Specifically, as shown in Figures 3 to 4, the threads 10 provided on the inner wall of the heat exchange tube 8 make the turbulent energy of the heat exchange tube 8 very large near the spiral groove of the thread 10, and the The central area of the heat exchange tube 8 is relatively small, and the flow velocity distribution of the large inner wall and the small center greatly increases the scouring force of the material at the tube wall against the tube wall, which can effectively prevent the material from condensing and scaling on the tube wall, and solve the problem of heat exchange tube scaling question.
具体地，如图2～图3所示，所述换热管8采用螺旋形，在同一体积的壳体1内有效增加了所述换热管8的表面积，进而增加所述物料与所述换热介质换热面积，提高换热效率。Specifically, as shown in Figures 2 to 3, the heat exchange tube 8 adopts a spiral shape, which effectively increases the surface area of the heat exchange tube 8 in the shell 1 of the same volume, thereby increasing the contact between the material and the The heat exchange area of the heat exchange medium improves the heat exchange efficiency.
本发明的换热管加速换热的换热器及换热方法通过设置搅拌装置促使换热介质加快运动，换热介质与换热管充分接触而发生热交换，提高换热效率，同时换热介质冲刷换热管外壁，避免换热介质在换热管外壁结垢而影响换热效率；采用螺纹螺旋换热管，使得换热管内物料流速分布从所述换热管的中心到内壁逐渐增大，管壁处的物料对管壁冲刷力道大大增加，避免物料在管壁处冷凝结垢；通过对换热管尺寸的优化综合压阻和湍动能，达到防结垢和节能的平衡；换热管的材质选用铝基合金，其中含有的纳米石墨烯能大大提高传热性能，铝基合金材料具有耐腐蚀，应用范围广，比重小，重量轻等优点。The heat exchanger and the heat exchange method for accelerating heat exchange of heat exchange tubes of the present invention promote the movement of the heat exchange medium at a faster speed by setting a stirring device, and the heat exchange medium and the heat exchange tube are fully contacted to perform heat exchange, thereby improving the heat exchange efficiency and exchanging heat at the same time The medium scours the outer wall of the heat exchange tube to avoid fouling of the heat exchange medium on the outer wall of the heat exchange tube and affect the heat exchange efficiency; the threaded spiral heat exchange tube is used to make the flow rate distribution of the material in the heat exchange tube gradually increase from the center of the heat exchange tube to the inner wall Large, the erosion force of the material on the tube wall is greatly increased to avoid the condensation and scaling of the material on the tube wall; through the optimization of the heat exchange tube size and comprehensive pressure resistance and turbulent kinetic energy, the balance between anti-fouling and energy saving is achieved; The material of the heat pipe is aluminum-based alloy, which contains nano-graphene, which can greatly improve the heat transfer performance. The aluminum-based alloy material has the advantages of corrosion resistance, wide application range, small specific gravity, and light weight.
综上所述，本发明提供一种加速换热的换热器及换热方法，包括：壳体和封头；设置于壳体中的液体搅拌装置和换热管；设置于封头中的搅拌驱动装置。换热介质通过换热介质进料口进入壳体，并从换热介质出料口流出壳体；物料通过物料进料口进入壳体内的换热管，并从物料出料口流出换热管；搅拌壳体中的换热介质，以加速换热介质的运动，使换热介质与换热管充分接触，物料与换热介质通过换热管的管壁实现能量的互换。本发明的换热管加速换热的换热器及换热方法通过设置搅拌装置促使换热介质加快运动，换热介质与换热管充分接触而发生热交换，提高换热效率，同时换热介质冲刷换热管外壁，避免换热介质在换热管外壁结垢而影响换热效率；采用螺纹螺旋换热管，使得换热管内物料流速分布从所述换热管的中心到内壁逐渐增大，管壁处的物料对管壁冲刷力道大大增加，避免物料在管壁处冷凝结垢；通过对换热管尺寸的优化综合压阻和湍动能，达到防结垢和节能的平衡；换热管的材质选用铝基合金，其中含有的纳米石墨烯能大大提高传热性能，铝基合金材料具有耐腐蚀，应用范围广，比重小，重量轻等优点。所以，本发明有效克服了现有技术中的种种缺点而具高度产业利用价值。In summary, the present invention provides a heat exchanger and a heat exchange method for accelerating heat exchange, including: a shell and a head; a liquid stirring device and a heat exchange tube arranged in the shell; Agitator drive. The heat exchange medium enters the shell through the heat exchange medium feed port, and flows out of the shell from the heat exchange medium discharge port; the material enters the heat exchange tube in the shell through the material feed port, and flows out of the heat exchange tube from the material discharge port Stir the heat exchange medium in the shell to accelerate the movement of the heat exchange medium, so that the heat exchange medium is in full contact with the heat exchange tube, and the material and the heat exchange medium realize energy exchange through the tube wall of the heat exchange tube. The heat exchanger and the heat exchange method for accelerating heat exchange of heat exchange tubes of the present invention promote the movement of the heat exchange medium at a faster speed by setting a stirring device, and the heat exchange medium and the heat exchange tube are fully contacted to perform heat exchange, thereby improving the heat exchange efficiency and exchanging heat at the same time The medium scours the outer wall of the heat exchange tube to avoid fouling of the heat exchange medium on the outer wall of the heat exchange tube and affect the heat exchange efficiency; the threaded spiral heat exchange tube is used to make the flow rate distribution of the material in the heat exchange tube gradually increase from the center of the heat exchange tube to the inner wall Large, the erosion force of the material on the tube wall is greatly increased to avoid the condensation and scaling of the material on the tube wall; through the optimization of the heat exchange tube size and comprehensive pressure resistance and turbulent kinetic energy, the balance between anti-fouling and energy saving is achieved; The material of the heat pipe is aluminum-based alloy, which contains nano-graphene, which can greatly improve the heat transfer performance. The aluminum-based alloy material has the advantages of corrosion resistance, wide application range, small specific gravity, and light weight. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial application value.
上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.
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