CN100451525C - Exchanger with honeycomb structure - Google Patents
Exchanger with honeycomb structure Download PDFInfo
- Publication number
- CN100451525C CN100451525C CNB2007100263632A CN200710026363A CN100451525C CN 100451525 C CN100451525 C CN 100451525C CN B2007100263632 A CNB2007100263632 A CN B2007100263632A CN 200710026363 A CN200710026363 A CN 200710026363A CN 100451525 C CN100451525 C CN 100451525C
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- honeycomb
- tube bank
- long
- housing
- interchanger
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Abstract
The invention discloses an exchanger with honeycomb structure, wherein, its frame (10) is in regular hexagon shape; the tube beam has several short honeycomb tubes (3) and long honeycomb tubes (4) to form honeycomb tube element (1), while the long honeycomb tubes (4) are adjacent with the short ones (3) with shared walls; the thickness of the wall of long and short tubes (4, 3) is 0.2-2mm; two ends of long honeycomb tube (4) are through to the inlet (7) and the outlet (1) of tube box (8). The invention has large unit heat exchange area, compact structure, high factor K, and high flexibility.
Description
Technical field
The present invention relates to the shell-and-tube heat exchanger in the energy technology, be specifically related to a kind of interchanger that has honeycomb.
Background technology
Heat exchanger is a kind of common processing equipment of extensive use in industrial departments such as power, metallurgy, refrigeration, oil refining, chemical industry, aviation, atomic energy, medicine.Along with day by day highlighting of energy problem, require satisfying under the prerequisite of exchange heat, the reduction equipment volume promptly improves the compactedness of equipment as far as possible, and then alleviates weight of equipment, economical with materials, and correspondingly reduce floor space.Thus, high-performance heat exchanger arises at the historic moment.In some application, the size of heat exchanging equipment and weight have special requirement, thereby the ultra-compact formula heat exchanger that volume is small, heat exchange area per unit volume is very big has become the essential of current heat transmission equipment production development.This structure belongs to the shell-and-tube heat exchanger field.Because shell-and-tube heat exchanger technology maturation, structure height are reliable and its adaptive surface is very extensive, therefore its output and application still occupy very consequence so far in industrial production, shell-and-tube heat exchanger is based on traditional tubular heat exchanger at present, though development of technologies has part additional and perfect to traditional design of Tubular Heat Exchanger manufacturing technology, but not breakthrough, it uses limitation more and more outstanding on the contrary, specifically mainly shows the following aspects:
(1) heat exchange area per unit volume is little, and compactedness is poor.Owing to cause is installed, can not closely arranges between the pipe in the tube bank.Though the volume of tubular heat exchanger is big, total heat exchange area is little, so economic effect is poor.
(2) heat transfer coefficient is little, and efficient is low.Heat transfer coefficient is an important indicator weighing heat exchanger performance.Improving through a large amount of research, though the heat transfer coefficient of tubular heat exchanger increases, is cost to increase the pressure loss all, and efficient is still very low in general.
(3) poor reliability.Be easy to generate tube bundle vibration under the high flow rate, make pipe break, the basis of damage equipment and pipeline produce noise simultaneously, are difficult to calculate control and the prevention that vibration is had by theory.Though also developed some new vibration proof structures in the engineering application facet, effect is unsatisfactory.
(4) production cycle long, metal consumption is big.The tradition tube bundle of tube-type heat exchanger is made up of thousands of pipes, and the tube sheet diameter can reach 3～5m, and thick tens centimetres, drilling precision and fineness require also relatively stricter.Adopt numerical control drilling machine, the boring cycle was also taken about 25 days, and the production cycle is longer; Scrap rate can reach several tons even tens tons, and waste of material is bigger.
(5) assembling, maintenance, difficult in maintenance.Gap between Guan Yukong, tube bank and the housing is very little, and the suit of the assembling of tube bank, tube bank and housing etc. all requires circularity or directly spend deviation less, and difficulty is bigger.Distance is less between the tube and tube, is difficult for laying detecting instrument, can't detect and safeguard local dangerous position.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art tubulation pattern, a kind of regular hexahedron needle recuperator with honeycomb biomimetic features is provided.
Purpose of the present invention is achieved through the following technical solutions:
A kind of interchanger that has honeycomb, comprise housing and tube bank, housing is provided with fluid inlet and fluid issuing, the housing two ends are respectively equipped with bobbin carriage, bobbin carriage is provided with tube bank fluid inlet and outlet, described housing is the regular hexagonal section shape, described tube bank is formed honeycomb tube bank core by a plurality of short honeycomb tube banks and long honeycomb tube bank, long honeycomb tube bank is adjoined with short honeycomb tube bank, shared wall, the tube bank of long honeycomb is 0.2～2mm with the wall thickness of short honeycomb tube bank, and long honeycomb tube bank two ends are communicated with import and exporting in the bobbin carriage respectively.
For further realizing purpose of the present invention, described long honeycomb tube bank connects by dividing plate, and dividing plate comprises separator strip, limit press strip and sealing strip, adopts removable tight connection.
The tube bank of the long honeycomb of described honeycomb and dividing plate by expanded joint, soldering fix, expanded joint adds welding or removable being tightly connected.
The two ends bobbin carriage is removable the connection with housing.The removable housing two ends that are connected to all are welded with flange, and dividing plate is clamped between two flanges, passes through bolting.
The gap of described honeycomb tube bank core outer and housing is less than 3mm.
Compared with prior art, the invention has following advantage and beneficial effect:
(1) lamella thickness of the metal material of this invention is 0.2～2mm, because sheet is very thin, so Coefficient K is big.For example in this heat exchanger, water can reach 1500～3700w/m to the heat transfer coefficient of water
2. ℃.
(2) heat exchange area per unit volume is big, and compactedness is good.The honeycomb length of side is little, and (be generally 2～10mm), compact conformation, the heat-transfer area that unit volume provided are 100～380m
2/ m
3And shell-and-tube heat exchanger has only 40～150m
2/ m
3The present invention has overcome in the tube bank of traditional tubular heat exchanger and can not closely arrange between the pipe, and volume is big, but total heat exchange area is little, so the shortcoming of economic effect difference.
(3) with short production cycle, metal consumption is little.This structure can realize compression molding, saves inner assembling, and multiple processing technology, does not have scrap rate.Logical this equipment has design feature easy to assembly, and operating flexibility is big, and maintenance is cleaned also convenient.
(4) honeycomb with minimum consumptive material, is created the strongest geometry, has excellent mechanical property.Stronger supporting role is arranged, allow operation pressure also higher, can reach 5MPa.Because the honeycomb characteristics make inner heat exchange structure form a rigid unitary, can not produce vibration under the high flow rate simultaneously.
(5) this heat transmission equipment, inner core are to have integrally-built cellular tube bank to form, and honeycomb frame clamping group is light and rigidity is strong, and multiple how much aggregate is more withstand voltage, anti-draws than trihedral, tetrahedron, cylinder etc. for this equipment hexahedron structure.
Description of drawings
Fig. 1 has the structural representation of the interchanger of honeycomb for the present invention;
Fig. 2 is long honeycomb tube bank and short honeycomb tube bank annexation schematic diagram among Fig. 1;
Fig. 3 be among Fig. 1 A-A to cutaway view;
Fig. 4 be among Fig. 1 B-B to cutaway view;
Fig. 5 is Fig. 4 median septum bar enlarged diagram;
Fig. 6 is a press strip enlarged diagram in limit among Fig. 4;
Fig. 7 be among Fig. 4 C-C to cutaway view.
The specific embodiment
The present invention is further detailed explanation below in conjunction with drawings and Examples, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, a kind of interchanger that has honeycomb comprises housing 10 and tube bank, and housing 10 is provided with fluid inlet 2 and fluid issuing 9, and housing 10 two ends are respectively equipped with bobbin carriage 8, bobbin carriage 8 is provided with tube bank fluid inlet 7 and outlet 1, and housing 10 is the regular hexagonal section shape.Described tube bank is formed honeycomb tube bank core 12 by a plurality of short honeycomb tube banks 3 and long honeycomb tube bank 4, and the gap of honeycomb tube bank core 12 outers and housing 10 is less than 3mm.Long honeycomb is restrained 4 two ends and is communicated with import 7 and outlet 1 in the bobbin carriage 8 respectively.
As shown in Figure 2, long honeycomb tube bank 4 is adjoined with short honeycomb tube bank 3, shared wall, and long honeycomb tube bank 4 is 1.0mm with the wall thickness of short honeycomb tube bank 3, this wall thickness can be chosen any thickness value between 0.2～2mm.
As shown in Figure 3, long honeycomb tube bank 4 connects by dividing plate 11, dividing plate 11 comprises separator strip 13, limit press strip 14 and sealing strip 15, adopt removable tight connection, specifically be that separator strip 13 is restrained 4 part that grows assembly at interval with long honeycomb, the centre scribbles fluid sealant, and sealing strip 15 is filled out in the groove that is enclosed in limit press strip 14, separator strip 13 is assemblied in the limit press strip 14, realizes sealing by the stress deformation of sealing strip 15.
Two ends bobbin carriage 8 is removable the connection with housing 10.Specifically be that housing 10 two ends all are welded with flange 5, dividing plate 11 is clamped between two flanges, and is fixing by bolt 6.
1. the manufacturing of dividing plate
The blank of separator strip can be steel plate and compound.When adopting homogenous material that the corrosion of both sides heat transferring medium can not be resisted simultaneously, must adopt bimetallic plates.Its manufacture method mainly is mold pressing, cutting etc.Guarantee to cooperate with the geometry of honeycomb tube bank.The processing of separator strip is main in a dividing plate manufacture process link, guarantees to cooperate with the geometry of honeycomb tube bank.The processing of separator strip is main in a dividing plate manufacture process link, should satisfy following the requirement as much as possible:
1. guarantee the position and the dimensional accuracy in hole, as the fineness of how much centerings, concentricity and the processing of separator strip etc.;
2. separator strip processing tangent plane is vertical with the dividing plate plane;
3. dividing plate is vertical with sealing surface;
If 4. exist septalium should with dividing plate center line symmetry.
In addition, for can being superimposed together several dividing plates, the concentricity that guarantees dividing plate cuts processing together.
2. the manufacturing of honeycomb heat-exchanging tube bundle
Metal forming is carried out surface treatment, need, dry, soak the primer oven dry, be coated with behind the core bar glue oven dry and core bar glue hot-press solidifying again, add the hot-press solidifying of metal honeycomb structure spare through alkali cleaning oil removing, photochemical, the phosphoric acid of nitric acid.
3. the manufacturing of housing
The honeycomb fashion heat exchanger shell is the same with the manufacturing moulding of the shell ring of general square pressure vessel, can be divided into two kinds of processing methods of cold-peace heat.When steel plate thickness surpasses 2.5mm, should select hot method for use; If do not have special requirement for common heat exchanger, generally belong to normal low pressure vessel, used steel plate is thinner, so select for use cold process to get final product.
As the housing of heat exchanger, the longer pipe bundle because enclosure interior will be packed in the tube bank antifriction design will be arranged, and the fit-up gap between inner walls generally is not more than 3mm; The housing nonstraightness is not more than 1/1000 of shell length; The inner walls weld seam requires the band welding with backing, keeps inwall smooth.
The moulding that twists is everlasting and is carried out on special-purpose bender, the veneer reeling machine, steel plate on veneer reeling machine during roll-in processing, should be noted that the steel plate longitudinal edge strict with cylinder axis keeping parallelism, the cylinder spot welding immediately that roll-forming is later.Welding can be adopted manual electric arc welding or Lincoln weld, and is undertaken by pertinent regulations.And note taking over not open in welded joints, and inner surface that should be coupled is concordant.
In the manufacture process of heat exchanger, it is very important that the sealing of assurance tube bank and dividing plate is fastenedly connected.If the poor quality who connects, can cause cold and hot fluid can seepage together, also might be under the effect of thermal (temperature difference) stress and tube side and shell side pressure reduction, restrain to be connected pulling with dividing plate.The method that connects is because the service condition of heat exchanger, the difference of processing conditions, mainly contains that expanded joint, soldering are fixed, expanded joint adds welding, removable be tightly connected etc.
(1) expanded joint
Using expanded joint should note: pipe expansion ratio should be suitable; The hardness of dividing plate should produce necessary elasticity and recover than the high HB20 of tube bank end degree～30, guarantees expanded joint intensity; Pipe and dividing plate faying face must be bright and clean; Expanded joint generally adopts methods such as special-purpose electric tube expander mechanical expanding.
(2) soldering is fixed
Welding processing is easy, and bonding strength is good, more can guarantee tightness, can guarantee also that when HTHP or deep cooling the compactness of junction and tension take off ability.
(3) expanded joint adds welding
Expanded joint all has its strengths and weaknesses separately with welding, and especially under HTHP, the pipe end joint is faced with extremely harsh working environment, and independent employing expanded joint or welding all can not meet the demands, and this just needs to adopt expanded joint to add the method for welding.Expanded joint adds welding, can not only improve the anti-fatigue performance of junction, and also can eliminate stress corrosion and crevice corrosion improve the life in service life.
(4) removable being tightly connected
Removable processing, the simple installation of being tightly connected utilizes faying face to install encapsulant additional, connects good seal, more can guarantee tightness, different sealed materials HTHP. or also can guarantee that the compactness of junction and tension take off ability during deep cooling.
The interchanger that the present invention has honeycomb has a style of one's own, and can match in structure, the element size of GB151-99 design.Can replace the dividing wall type heat exchanger that uses same kind, especially use for a short time, have obvious induced vibration, space requirement compactness, occasion that heat exchange area is big to be suitable at flow velocity.When this structure is worked in heat exchanger, be connected with two kinds of different media inside and outside the pipe respectively, this two media carries out heat exchange by tube wall, and the heat transfer area of increase has improved the heat exchange amount of heat exchanger, and the honeycomb fashion partition is very thin, has improved heat transfer coefficient.
This heat transmission equipment can be widely used in small-type refrigeration appliance.Honeycomb runner wherein can form very tiny runner, and its good size coupling has material impact to the performance of whole heat-exchange system.Especially at refrigerating field, at present tubule inner refrigerant two phase flow The Characteristic Study mostly based on the homogeneous flow model of two phase flow, and ignored in esse metastable state phenomenon mostly, with adiabatic tubule is research object, set up two phase flow drift Mathematical Modeling, consider the metastable state phenomenon in the flow of refrigerant process simultaneously,, realized the numerical computations of adiabatic tubule by calculating to cold-producing medium thermodynamic properties, thermodynamic parameters and thermal procession; Built adiabatic tubule two phase flow characteristic research experimental provision, its experimental data and numerical result have identical preferably.
Claims (6)
1, a kind of interchanger that has honeycomb, comprise housing (10) and tube bank, housing (10) is provided with fluid inlet (2) and fluid issuing (9), housing (10) two ends are respectively equipped with bobbin carriage (8), bobbin carriage (8) is provided with tube bank fluid inlet (7) and tube bank fluid issuing (1), it is characterized in that described housing (10) is the regular hexagonal section shape, described tube bank is formed honeycomb tube bank core (12) by a plurality of short honeycomb tube banks (3) and long honeycomb tube bank (4), long honeycomb tube bank (4) is adjoined with short honeycomb tube bank (3), shared wall, long honeycomb tube bank (4) is 0.2～2mm with the wall thickness of short honeycomb tube bank (3), one end of long honeycomb tube bank (4) is communicated with the tube bank fluid inlet (7) on the bobbin carriage (8), and the other end of long honeycomb tube bank (4) is communicated with the tube bank fluid issuing (1) on the bobbin carriage (8).
2, the interchanger that has honeycomb according to claim 1, it is characterized in that described long honeycomb tube bank (4) connects by dividing plate (11), dividing plate (11) comprises separator strip (13), limit press strip (14) and sealing strip (15), separator strip (13) is restrained the part assembly at interval that (4) relative short honeycomb tube banks (3) grow with long honeycomb, scribble fluid sealant between separator strip (13) and the long honeycomb tube bank (4), sealing strip (15) is filled out in the groove that is enclosed in limit press strip (14), separator strip (13) is assemblied in the limit press strip (14), realizes sealing by the stress deformation of sealing strip (15).
3, the interchanger that has honeycomb according to claim 2, it is characterized in that long honeycomb tube bank (4) and dividing plate (11) by expanded joint, soldering fix, expanded joint adds welding or removable being tightly connected.
4, the interchanger that has honeycomb according to claim 1 is characterized in that two ends bobbin carriage and housing are removable the connection.
5, according to the described interchanger that has honeycomb of claim 4, it is characterized in that removable housing (10) two ends that are connected to all are welded with flange (5), dividing plate (11) is clamped between two flanges, and is fixing by bolt (6).
6, the interchanger that has honeycomb according to claim 1, the gap that it is characterized in that honeycomb tube bank core (12) outer and housing (10) is less than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100263632A CN100451525C (en) | 2007-01-17 | 2007-01-17 | Exchanger with honeycomb structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100263632A CN100451525C (en) | 2007-01-17 | 2007-01-17 | Exchanger with honeycomb structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101008557A CN101008557A (en) | 2007-08-01 |
| CN100451525C true CN100451525C (en) | 2009-01-14 |
Family
ID=38697096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100263632A Expired - Fee Related CN100451525C (en) | 2007-01-17 | 2007-01-17 | Exchanger with honeycomb structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100451525C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206876A (en) * | 2013-03-29 | 2013-07-17 | 合肥通用机械研究院 | Honeycomb tubular type efficient heat exchanger with fine channels |
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| CN102200359A (en) * | 2011-04-27 | 2011-09-28 | 惠州市新力达制冷技术有限公司 | Heat energy aggregator |
| CN102225463A (en) * | 2011-06-20 | 2011-10-26 | 刘小江 | Honeycomb type heat exchanger casting and forming method |
| US20160195336A1 (en) * | 2015-01-07 | 2016-07-07 | Hamilton Sundstrand Corporation | Honeycomb heat exchanger |
| CN107917634A (en) * | 2016-10-10 | 2018-04-17 | 江苏科力普汽车部件有限公司 | A kind of honeycomb radiator core |
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| CN113522194A (en) * | 2021-06-30 | 2021-10-22 | 海阳科技股份有限公司 | Pigment low-temperature homogenization polyamide-6 in-situ polymerization reaction device and process thereof |
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| CN2533441Y (en) * | 2002-04-16 | 2003-01-29 | 济南市压力容器厂 | High overcooled multieffect heat exchanger |
| US20040089440A1 (en) * | 2002-11-13 | 2004-05-13 | Sanders Stan A. | Cellular reservoir flexible pressure vessel, apparatus and method for making same |
| JP2005140390A (en) * | 2003-11-06 | 2005-06-02 | Sumitomo Precision Prod Co Ltd | Heat exchange method and latent heat storing type heat exchanger |
| CN2754039Y (en) * | 2004-10-20 | 2006-01-25 | 辽宁石油化工大学 | Novel tubulation heat exchanger |
| CN201003912Y (en) * | 2007-01-17 | 2008-01-09 | 华南理工大学 | Cellular type exchanger |
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2007
- 2007-01-17 CN CNB2007100263632A patent/CN100451525C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2307277Y (en) * | 1997-06-27 | 1999-02-10 | 李瑞静 | Shell-and-tube heat exchanger |
| JP2000193395A (en) * | 1998-12-22 | 2000-07-14 | Nkk Corp | Honeycomb structure heat storage medium |
| CN1378064A (en) * | 2001-03-30 | 2002-11-06 | 刘润海 | Heat exchange technology by means of circular honeycomb tube passage |
| CN2533441Y (en) * | 2002-04-16 | 2003-01-29 | 济南市压力容器厂 | High overcooled multieffect heat exchanger |
| US20040089440A1 (en) * | 2002-11-13 | 2004-05-13 | Sanders Stan A. | Cellular reservoir flexible pressure vessel, apparatus and method for making same |
| JP2005140390A (en) * | 2003-11-06 | 2005-06-02 | Sumitomo Precision Prod Co Ltd | Heat exchange method and latent heat storing type heat exchanger |
| CN2754039Y (en) * | 2004-10-20 | 2006-01-25 | 辽宁石油化工大学 | Novel tubulation heat exchanger |
| CN201003912Y (en) * | 2007-01-17 | 2008-01-09 | 华南理工大学 | Cellular type exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206876A (en) * | 2013-03-29 | 2013-07-17 | 合肥通用机械研究院 | Honeycomb tubular type efficient heat exchanger with fine channels |
| CN103206876B (en) * | 2013-03-29 | 2015-01-07 | 合肥通用机械研究院 | Honeycomb tubular type efficient heat exchanger with fine channels |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101008557A (en) | 2007-08-01 |
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