CN104075597B - Shell and tube type cooler for cooling beer - Google Patents
Shell and tube type cooler for cooling beer Download PDFInfo
- Publication number
- CN104075597B CN104075597B CN201410290962.5A CN201410290962A CN104075597B CN 104075597 B CN104075597 B CN 104075597B CN 201410290962 A CN201410290962 A CN 201410290962A CN 104075597 B CN104075597 B CN 104075597B
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- beer
- temperature
- fin
- coiled pipe
- cooler
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- 235000013405 beer Nutrition 0.000 title claims abstract description 85
- 238000001816 cooling Methods 0.000 title claims abstract description 14
- 238000009826 distribution Methods 0.000 claims description 4
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000012546 transfer Methods 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052684 Cerium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- 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
- F28D7/08—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 otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—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 otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
-
- 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
- F28D7/08—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 otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—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 otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
- F28D7/085—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 otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
- F28D7/087—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 otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions assembled in arrays, each array being arranged in the same plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/124—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and being formed of pins
-
- 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)
- Geometry (AREA)
- Devices For Dispensing Beverages (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a shell and tube type cooler for cooling beer. The shell and tube type cooler for cooling the beer comprises a shell, a coiled pipe, a beer inlet, a beer outlet, a cold source inlet and a cold source outlet, wherein the coiled pipe is arranged in the shell, the coiled pipe is set in multiple row mode, the upper end head and the lower end head of each row of the coiled pipe are respectively stretched out of the upper end and the lower end of the shell, and respectively communicated with a beer inlet collection box and a beer outlet collection box, the coiled pipe comprises elbow pipe portions and straight pipe portions, the straight pipe portions are parallel to one another, the elbow pipe portions are respectively communicated with the adjacent straight pipe portions so as to form a communicating coiled pipe, the cold source inlet and the cold source outlet are respectively formed in two sides of the shell, and a cold source enters the shell, cools the beer in the coiled pipe, and then flows out from the cold source outlet. The shell and tube type cooler for cooling the beer can cool the beer well so as to save energy, and furthermore the purposes of environment protection and energy conservation are achieved.
Description
Technical field
The invention belongs to field of heat exchangers, particularly relate to a kind of cooler of cooled beer, belong to the field of heat exchangers of F28D.
Background technology
The application is mainly used directly in the cooling of the beer before beer packing.
The beer transported in bucket utilizes carbon dioxide to preserve under a certain pressure, the solubility with temperature of carbon dioxide and the difference of pressure in beer and change, and in beer, the solubility of carbon dioxide is increased to the maximum reached in the freezing point of liquid beer.But Solubilities of Carbon Dioxide reduces along with the minimizing of the pressure of beer in liquid beer.
Can exceed the ability of the system providing ice beer during the high demand to beer, adjoint result is that the temperature of the beer of packing has exceeded expected range.Result does not have enough freezing and cause that numerous clients' is discontented due to the beer of supply, and the excess foam of beer in this system, easily cause beer induction system " freezing ", this will cause the closedown of whole beer induction system.
Summary of the invention
The invention provides a kind of beer cooler, the temperature of the beer supplied can be lower, makes beer reach better cooling effect when expending identical low-temperature receiver.
To achieve these goals, technical scheme of the present invention is as follows: a kind of shell and tube cooler of cooled beer, described cooler comprises housing and coiled pipe, beer inlet, beer outlet, low-temperature receiver entrance and low-temperature receiver outlet, in described housing, coiled pipe is set, described coiled pipe is many rows, described termination up and down of often arranging coiled pipe is stretched out from the top and bottom of housing respectively and is communicated with beer outlet header with beer inlet header respectively, and beer inlet header and outlet header export with beer inlet and beer respectively and be connected; Described coiled pipe comprises bent tube section and straight-tube portion, and described straight-tube portion is parallel to each other, and adjacent straight-tube portion is communicated with the row's coiled pipe getting up to be formed connection by described bend pipe; Described low-temperature receiver entrance and low-temperature receiver outlet are separately positioned on the both sides of housing, and low-temperature receiver enters from low-temperature receiver entrance, the beer in housing in cooling worm, then flow out from low-temperature receiver outlet.
The straight-tube portion of described coiled pipe is finned tube, described finned tube comprises the cuboid being positioned at center and the fins set being positioned at cuboid periphery, the cross section of described cuboid is square, described fins set comprises from four outward extending main fins in foursquare diagonal angle with from the outward extending first secondary fin of main fin, described fins set also comprises the outward extending second secondary fin from foursquare four limits, the first secondary fin extended to same direction of described same main fin is parallel to each other, and it is parallel to each other with the second secondary fin extended to same direction, the end that described main fin and secondary fin extend forms equilateral octagon.
As one preferably, the angle between the described first secondary fin and main fin is 45 °, and the distance of described adjacent secondary fin is L1, and the described foursquare length of side is L0, and the height of described main fin is L2, and the relation of above-mentioned three meets following formula:
L1/L0=a*ln (L2/L0)+b, wherein ln is logarithmic function,
0.025<a<0.05,0.05<b<0.06，
150mm<=L0<=180mm,
3mm<=L1<=8mm,
55mm<=L2<=85mm;
0.02<L1/L0<0.05,
0.30<L2/L0<0.55;
0.1<L1/H<=0.22;
The length of straight-tube portion is H, 800mm<H<1500mm.
As preferably, a=0.038, b=0.055.
The straight-tube portion of described coiled pipe is finned tube, and the material of finned tube is aluminium alloy, and the mass percent of the component of described aluminium alloy is as follows: 15.3% Cu, 1.9% Mg, 1.6% Ag, 0.6% Mn, 0.25% Zr, 5.78% Ce, 0.23% Ti, 0.38% Si, all the other are Al.
Described cooler also comprises control system, and described control system controls according to the output temperature of beer the flow velocity entering low-temperature receiver in cooler;
Described control system comprises: temperature sensor, flow controller and central controller, and flow controller controls the flow velocity entering the low-temperature receiver of cooler, described temperature sensor is for measuring the output temperature of beer, when output temperature reaches the first temperature, central controller controls flow controller reaches the first flow velocity, when output temperature reaches the second temperature lower than the first temperature, central controller controls flow controller reaches the second flow velocity lower than the first flow velocity, when output temperature reaches the 3rd temperature lower than the second temperature, central controller controls flow controller reaches the 3rd flow velocity lower than the second flow velocity, when output temperature reaches the 4th temperature lower than the 3rd temperature, central controller controls flow controller reaches the 4th flow velocity lower than the 3rd flow velocity, when output temperature reaches the 5th temperature lower than the 4th temperature, flow controller cuts out by central controller, stops low-temperature receiver to enter cooler.
The straight-tube portion of described coiled pipe is finned tube, and the distance between fin changes according to certain rule, and concrete rule is from the mid point on base tube limit, and to the two ends on limit, the distance between fin is more and more less.
The inside of coiled pipe is provided with projection, and along the flow direction of beer, protruding distribution is more and more closeer.
The inside of coiled pipe is provided with projection, and along the flow direction of beer, protruding height constantly raises.
The straight-tube portion of described coiled pipe is finned tube, the secondary fin that finned tube comprises main fin and extends from main fin, and the width of main fin is b4, and the width of secondary fin is b2, wherein 2.0*b2<b4<2.3*b2;
The straight-tube portion of described coiled pipe is finned tube, and the base tube of finned tube is square, and the width of fin and the length relation on foursquare limit are 0.03*L0<b4<0.05*L0.
Compared with prior art, beer cooler of the present invention has following advantage:
1) the invention provides a kind of new beer cooler, and because cooler can arrange more radiating fin, therefore there is good radiating effect.
2) the creationary beer that is applied to by octagon finned tube cools, and achieves good cooling effect.
3) the present invention is by test of many times, obtains the cooler fin pipe optimum results of the optimum of a beer cooling, and is verified by test, thus demonstrate the accuracy of result.
4) boundary member formed by fin is octagon, can make can combine mutually in any position between same row's fin, can improve heat-transfer effect.
5) by the arrangement of many row's coiled pipes, can make the mutual close contact of the fin of the finned tube of coiled pipe, thus make to form space between adjacent four finned tubes, this space can meet the abundant flowing of abundant low-temperature receiver.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of shell-and-tube beer cooler;
Fig. 2 is the plan structure schematic diagram of a straight-tube portion embodiment;
Fig. 3 is the close-up schematic view of Fig. 2;
Fig. 4 is 1/8 structural representation of straight-tube portion;
Fig. 5 arranges straight-tube portion schematic diagram arranged together mutually more.
Reference numeral is as follows:
1. cuboid pipe, 2. fins set, 3. main fin, 4 second secondary fins, 5 first secondary fins, 6 beer inlet, 7 beer outlets, 8 straight-tube portions, 9 bent tube sections, 10 low-temperature receiver entrances, 11 low-temperature receiver outlets, 12 entrance headers, 13 outlet headers.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Herein, if do not have specified otherwise, relate to formula, "/" represents division, "×", " * " represent multiplication.
A kind of shell and tube cooler of cooled beer, described cooler comprises housing and coiled pipe, beer inlet 6, beer outlet 7, low-temperature receiver entrance 10 and low-temperature receiver outlet 11, in described housing, coiled pipe is set, described coiled pipe is many rows, described termination up and down of often arranging coiled pipe is stretched out from the top and bottom of housing respectively and is communicated with beer outlet header with beer inlet header respectively, described entrance header and outlet header are communicated with beer inlet 6 and beer outlet 7 respectively, (or as preferred, there is no header, directly be connected with outlet with beer inlet, as shown in Figure 1), described coiled pipe comprises bent tube section 9 and straight-tube portion 8, described straight-tube portion 8 is parallel to each other, adjacent straight-tube portion 8 is communicated with the row's coiled pipe getting up to be formed connection by described bent tube section 9, described low-temperature receiver entrance 10 and low-temperature receiver outlet 11 are separately positioned on the both sides of housing, and low-temperature receiver enters from low-temperature receiver entrance, the beer in housing in cooling worm, then flow out from low-temperature receiver outlet.
Preferably, described many row's coiled pipes can arrange a total header, entered often arrange coiled pipe by header distributing fluids.
Straight-tube portion is finned tube, described finned tube comprises the cuboid pipe 1 being positioned at center and the fins set 2 being positioned at cuboid pipe periphery, the cross section of described cuboid pipe 1 is square, from cross section, described fins set 2 comprises from four outward extending main fins 3 in foursquare diagonal angle with from the outward extending first secondary fin 5 of main fin 3, described fins set 2 also comprises the outward extending second secondary fin 4 from foursquare four limits, extend to same direction first secondary fin 5 of described same main fin 3 is parallel to each other, and it is parallel to each other with the extend to same direction second secondary fin 4, described main fin 3 and secondary fin 4, 5 ends extended form equilateral octagon.
Preferably, as shown in Figure 3, the plane specular that finned tube is formed along square diagonal, the plane simultaneously formed along the line at the mid point place of foursquare two opposite side is also specular.
Preferably, as shown in Figure 3, the center line of main fin 3 is vertical with an equilateral octagonal limit and be positioned at the mid point on equilateral octagonal limit with equilateral octagonal tie point.
As shown in Figure 3, preferably, the second secondary fin 2 ", the 2 ' position being arranged on foursquare diagonal angle.
As shown in Figure 3-4,1 ', 2 ', 1 ", 2 " the secondary fin of indication is the second secondary fin, 3 ', 4 ', 5 ', 3 ", 4 ", 5 " the secondary fin of indication is the first secondary fin.
The length of the first secondary fin is along with shorter and shorter apart from the distance at main fin diagonal angle.
When the length on foursquare limit is certain, main fin and secondary fin longer, then heat transfer effect is better in theory, find in process of the test, when main fin and secondary fin reach certain length time, then heat transfer effect just increases very not obvious, main because along with main fin and the increase of secondary finned length, in the temperature of flight tip also more and more close to sink temperature, along with temperature is reduced to a certain degree, heat transfer effect then can be caused not obvious, also add the cost of material on the contrary, simultaneously, in heat transfer process, if the spacing between secondary fin is too little, also the deterioration of heat transfer effect is easily caused, because along with the increase of height, boundary layer is thickening, boundary layer between adjacent fins is caused to overlap mutually, worsen heat transfer, spacing between secondary fin causes too greatly heat exchange area to reduce, have impact on the transmission of heat, therefore in the distance of adjacent secondary fin, the foursquare length of side, an optimized size relationship is met between the length of main fin.
Therefore, the present invention is the dimensionally-optimised relation of the finned tube of the best summed up by thousands of test datas of the finned tube of multiple different size.
Angle between described first secondary fin and main fin is 45 °, and the distance of described adjacent secondary fin is L1, and the described foursquare length of side is L0, and the height of described main fin is L2, and the relation of above-mentioned three meets following formula:
L1/L0=a*ln (L2/L0)+b, wherein ln is logarithmic function,
0.025<a<0.05,0.05<b<0.06，
150mm<=L0<=180mm,
3mm<=L1<=8mm,
55mm<=L2<=85mm;
0.02<L1/L0<0.05,
0.30<L2/L0<0.55;
0.1<L1/H<=0.22;
The length of straight-tube portion is H, 800mm<H<1500mm.
As preferably, a=0.038, b=0.055.
It should be noted that, the distance L1 of adjacent pair fin is the distance counted from the center of secondary fin.
By testing after result of calculation, by the numerical value of computation bound and median, the result of gained matches with formula substantially, and error is substantially within 2%, and maximum relative error is no more than 3.5%, and mean error is 1.6% again.
Compared with free convection, because shell and tube cooler has the higher coefficient of heat transfer, the finned length of the finned tube therefore needed is than few in free convection situation.So also can meet beer cooling, but also material and space can be saved, reach the amount of cooling water of higher unit mass, reach better refrigeration.
Preferably, the distance of described adjacent secondary fin is identical.Angle wherein between the first secondary fin 5 and main fin 4 is 45 ° and means the limit of secondary fin 5 perpendicular to main fin diagonal angle, simultaneously because secondary fin is parallel to each other, makes the foursquare limit that the second secondary fin extends perpendicular to it.Mainly fully dispel the heat for reducing flow dead, the fin design around prismatic finned tube becomes the form vertical respectively with four limits of middle cuboid.
As preferably, the width of main fin is greater than the width of secondary fin.
Preferably, the width of main fin is b4, and the width of secondary fin is b2, wherein 2.0*b2<b4<2.3*b2;
As preferably, the width of main fin and the length relation on foursquare limit are 0.03*L0<b4<0.05*L0.
As preferably, the pipe thickness of cuboid pipe is 1-3mm, preferred 2mm.
As preferably, the integrated manufacture of finned tube, the material of finned tube is aluminium alloy, and the mass percent of the component of described aluminium alloy is as follows: 15.3% Cu, 1.9% Mg, 1.6% Ag, 0.6% Mn, 0.25% Zr, 5.78% Ce, 0.23% Ti, 0.38% Si, all the other are Al.
The manufacture method of aluminium alloy is: adopt vacuum metallurgy melting, and argon for protecting pouring becomes circle base, through 623 DEG C of Homogenization Treatments, at 412 DEG C, adopts and is hot extruded into bar, and then after 560 DEG C of solution hardening, carry out artificial aging process at 210 DEG C.Thermal conductivity factor is for being greater than 270W/ (m*k).
Compared with former research, by strengthening Cu and Ce content, the corrosion resistance of aluminum alloy materials can be optimized greatly, also there is high thermal conductivity factor simultaneously.
As preferably, bent tube section also adopts the material identical with straight-tube portion to make.
Preferably, be change according to certain rule for the distance between secondary fin, concrete rule is from the mid point on foursquare limit, to the two ends on limit the secondary fin vertical with foursquare described limit between distance more and more less.
Such as shown in Figure 3, adjacent two secondary fins (be numbered 1 ', the 1 ") spacing being positioned at the mid point both sides on cuboid limit is m, and other secondary spacings of fin diminish greatly and gradually along with the distance of the mid point apart from limit becomes.
Preferably, the amplitude of adjacent pair spacing of fin reduction is identical.Such as fin 1 ', 1 " distance be m, 1 ", 2 " between distance m-n, 2 ", 3 " between distance m-2n, 3 ", 4 " between distance m-3n, the like.
The unit of n, m is above mm.
Under the condition meeting optimization formula above, n preferably distance is 1mm.
It is little that spacing of fin presents two broad in the middle, increases again the heat exchange area of fin while that its main purpose being the flow field optimizing this panel region fin as far as possible.Namely under the prerequisite reducing the coefficient of heat transfer not too much, heat exchange area is increased as far as possible to reduce junction temperature as far as possible.
As shown in Figure 5, straight-tube portion is closely close together, and is also connected to each other between the fin of its corresponding straight-tube portion, thus forms the passage of low-temperature receiver.Because multiple finned tube is close together, thus make to define square space between adjacent four finned tubes, this square space can make low-temperature receiver flow through from centre, thus between the fin being distributed to adjacent finned tube in flow process, ensure that enough low-temperature receivers, to avoid cooling not enough.
As preferably, low-temperature receiver is ethylene glycol.Prove by experiment, under above-mentioned size relationship, ethylene glycol can obtain best cooling effect.
As preferably, described cooler also comprises control system, and described control system controls according to the output temperature of beer the flow velocity entering low-temperature receiver in cooler;
Described control system comprises: temperature sensor, flow controller and central controller, and flow controller controls the flow velocity entering the low-temperature receiver of cooler, described temperature sensor is for measuring the output temperature of beer, when output temperature reaches the first temperature, central controller controls flow controller reaches the first flow velocity, when output temperature reaches the second temperature lower than the first temperature, central controller controls flow controller reaches the second flow velocity lower than the first flow velocity, when output temperature reaches the 3rd temperature lower than the second temperature, central controller controls flow controller reaches the 3rd flow velocity lower than the second flow velocity, when output temperature reaches the 4th temperature lower than the 3rd temperature, central controller controls flow controller reaches the 4th flow velocity lower than the 3rd flow velocity, when output temperature reaches the 5th temperature lower than the 4th temperature, flow controller cuts out by central controller, stops low-temperature receiver to enter cooler.
Above-mentioned temperature sensor is arranged on the position of beer outlet, and flow controller is arranged on the position of the entrance of low-temperature receiver.
Described control system can be a single-chip microcomputer, can arrange control panel, and control panel is arranged on top or the bottom of radiator, also can be arranged on and enter on the pipeline of radiator.
As preferably, the inwall of coiled pipe 5 is provided with projection, for augmentation of heat transfer, the distribution of described projection is according to certain rule.Preferably, along the flow direction of beer, protruding distribution is more and more closeer, like this, be the direction along with beer flowing, the temperature of beer declines gradually, its refrigeration is reduced gradually, by increasing the density of the projection of inner fins, the refrigeration on beer flow direction can be strengthened, thus the cold effect of political affairs is consistent on the whole along beer flow direction.The direction that to be protruding height flow along with beer increases another mode preferred gradually, and wherein the highest is minimum 1.03-1.10 times.Identical with heat exchange principle above, main cause is the direction along with beer flowing, the temperature of beer declines gradually, its refrigeration is reduced gradually, by the height increasing internal protrusion, difference is set, the heat exchange on beer flow direction can be strengthened, thus refrigeration is consistent on the whole along fluid flow direction.
Although the present invention discloses as above with preferred embodiment, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (5)
1. the shell and tube cooler of a cooled beer, described cooler comprises housing and coiled pipe, beer inlet, beer outlet, low-temperature receiver entrance and low-temperature receiver outlet, in described housing, coiled pipe is set, described coiled pipe is many rows, the termination up and down of often arranging coiled pipe is stretched out from the top and bottom of housing respectively and is communicated with beer outlet header with beer inlet header respectively, and beer inlet header and outlet header export with beer inlet and beer respectively and be connected; Described coiled pipe comprises bent tube section and straight-tube portion, and described straight-tube portion is parallel to each other, and adjacent straight-tube portion is communicated with the row's coiled pipe getting up to be formed connection by described bent tube section; Described low-temperature receiver entrance and low-temperature receiver outlet are separately positioned on the both sides of housing, and low-temperature receiver enters from low-temperature receiver entrance, the beer in housing in cooling worm, then flow out from low-temperature receiver outlet;
The straight-tube portion of described coiled pipe is finned tube, described finned tube comprises the cuboid base tube being positioned at center and the fins set being positioned at cuboid periphery, the cross section of described cuboid base tube is square, described fins set comprises secondary fin and from four outward extending main fins in foursquare diagonal angle, described secondary fin comprise from the outward extending first secondary fin of main fin and from foursquare four limits outward extending second secondary fin, the first secondary fin extended to same direction of same main fin is parallel to each other, and it is parallel to each other with the second secondary fin extended to same direction, the end that described main fin and secondary fin extend forms equilateral octagon,
Angle between described first secondary fin and main fin is 45 °, and the distance of described adjacent secondary fin is L1, and the described foursquare length of side is L0, and the height of described main fin is L2, and the relation of above-mentioned three meets following formula:
L1/L0=a*ln (L2/L0)+b, wherein ln is logarithmic function,
0.025<a<0.05,0.05<b<0.06，
150mm<=L0<=180mm,
3mm<=L1<=8mm,
55mm<=L2<=85mm;
0.02<L1/L0<0.05,
0.30<L2/L0<0.55;
0.1<L1/H<=0.22;
H is the length of straight-tube portion, 800mm<H<1500mm.
2. cooler as claimed in claim 1, is characterized in that a=0.038, b=0.055.
3. cooler as claimed in claim 1, it is characterized in that, described cooler also comprises control system, and described control system controls according to the output temperature of beer the flow velocity entering low-temperature receiver in cooler;
Described control system comprises: temperature sensor, flow controller and central controller, and flow controller controls the flow velocity entering the low-temperature receiver of cooler, described temperature sensor is for measuring the output temperature of beer, when output temperature reaches the first temperature, central controller controls flow controller reaches the first flow velocity, when output temperature reaches the second temperature lower than the first temperature, central controller controls flow controller reaches the second flow velocity lower than the first flow velocity, when output temperature reaches the 3rd temperature lower than the second temperature, central controller controls flow controller reaches the 3rd flow velocity lower than the second flow velocity, when output temperature reaches the 4th temperature lower than the 3rd temperature, central controller controls flow controller reaches the 4th flow velocity lower than the 3rd flow velocity, when output temperature reaches the 5th temperature lower than the 4th temperature, flow controller cuts out by central controller, stops low-temperature receiver to enter cooler.
4. cooler according to claim 1, is characterized in that, the inside of coiled pipe is provided with projection, and along the flow direction of beer, protruding distribution is more and more closeer.
5. cooler according to claim 1, is characterized in that, the inside of coiled pipe is provided with projection, and along the flow direction of beer, protruding height constantly raises.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071914.6A CN105674772B (en) | 2014-06-26 | 2014-06-26 | A kind of shell-and-tube heat exchanger of square base tube |
| CN201410290962.5A CN104075597B (en) | 2014-06-26 | 2014-06-26 | Shell and tube type cooler for cooling beer |
| CN201610071918.4A CN105588458B (en) | 2014-06-26 | 2014-06-26 | Shell-and-tube heat exchanger provided with main fins and auxiliary fins |
| CN201510157880.8A CN104748586B (en) | 2014-06-26 | 2014-06-26 | A kind of shell-and-tube heat exchanger |
| CN201610071915.0A CN105627792B (en) | 2014-06-26 | 2014-06-26 | Tube and shell cooler with spacing of fins changing according to law |
| CN201610071916.5A CN105651080B (en) | 2014-06-26 | 2014-06-26 | Intelligent temperature control shell-and-tube heat exchanger for cooling beer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290962.5A CN104075597B (en) | 2014-06-26 | 2014-06-26 | Shell and tube type cooler for cooling beer |
Related Child Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071914.6A Division CN105674772B (en) | 2014-06-26 | 2014-06-26 | A kind of shell-and-tube heat exchanger of square base tube |
| CN201510157880.8A Division CN104748586B (en) | 2014-06-26 | 2014-06-26 | A kind of shell-and-tube heat exchanger |
| CN201610071918.4A Division CN105588458B (en) | 2014-06-26 | 2014-06-26 | Shell-and-tube heat exchanger provided with main fins and auxiliary fins |
| CN201610071916.5A Division CN105651080B (en) | 2014-06-26 | 2014-06-26 | Intelligent temperature control shell-and-tube heat exchanger for cooling beer |
| CN201610071915.0A Division CN105627792B (en) | 2014-06-26 | 2014-06-26 | Tube and shell cooler with spacing of fins changing according to law |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075597A CN104075597A (en) | 2014-10-01 |
| CN104075597B true CN104075597B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071915.0A Expired - Fee Related CN105627792B (en) | 2014-06-26 | 2014-06-26 | Tube and shell cooler with spacing of fins changing according to law |
| CN201410290962.5A Expired - Fee Related CN104075597B (en) | 2014-06-26 | 2014-06-26 | Shell and tube type cooler for cooling beer |
| CN201610071918.4A Active CN105588458B (en) | 2014-06-26 | 2014-06-26 | Shell-and-tube heat exchanger provided with main fins and auxiliary fins |
| CN201510157880.8A Active CN104748586B (en) | 2014-06-26 | 2014-06-26 | A kind of shell-and-tube heat exchanger |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071915.0A Expired - Fee Related CN105627792B (en) | 2014-06-26 | 2014-06-26 | Tube and shell cooler with spacing of fins changing according to law |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071918.4A Active CN105588458B (en) | 2014-06-26 | 2014-06-26 | Shell-and-tube heat exchanger provided with main fins and auxiliary fins |
| CN201510157880.8A Active CN104748586B (en) | 2014-06-26 | 2014-06-26 | A kind of shell-and-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN105627792B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651080A (en) * | 2014-06-26 | 2016-06-08 | 赵炜 | Intelligent temperature control shell-and-tube heat exchanger for cooling beer |
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| CN104445526A (en) * | 2014-12-11 | 2015-03-25 | 广西大学 | Wastewater purifier capable of efficiently radiating |
| CN105547043A (en) * | 2015-12-21 | 2016-05-04 | 江苏格林威尔金属材料科技有限公司 | Self-cleaning type radiator for air conditioner |
| JP6961395B2 (en) * | 2017-06-07 | 2021-11-05 | 株式会社Uacj | Aluminum alloy port hole Extruded pipe shape Hollow shape and heat exchanger piping material |
| CN111577467B (en) * | 2020-05-27 | 2021-08-31 | 中国航空发动机研究院 | Spliced heat exchanger for high-speed air suction type engine |
| CN114777549B (en) * | 2022-06-20 | 2022-09-20 | 甘肃蓝科石化高新装备股份有限公司 | Finned tube with tube-fin bridge for gas to flow in different regions |
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- 2014-06-26 CN CN201410290962.5A patent/CN104075597B/en not_active Expired - Fee Related
- 2014-06-26 CN CN201610071918.4A patent/CN105588458B/en active Active
- 2014-06-26 CN CN201510157880.8A patent/CN104748586B/en active Active
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| CN201311211Y (en) * | 2008-12-10 | 2009-09-16 | 杜纪高 | Automatic temperature control hot-water exchanger |
| CN202274779U (en) * | 2011-10-08 | 2012-06-13 | 南京华电节能环保设备有限公司 | Solid particle heat exchange device and system |
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| CN105651080B (en) * | 2014-06-26 | 2017-05-24 | 赵炜 | Intelligent temperature control shell-and-tube heat exchanger for cooling beer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105627792B (en) | 2017-05-17 |
| CN105588458A (en) | 2016-05-18 |
| CN104748586A (en) | 2015-07-01 |
| CN104075597A (en) | 2014-10-01 |
| CN104748586B (en) | 2016-03-30 |
| CN105627792A (en) | 2016-06-01 |
| CN105588458B (en) | 2017-04-26 |
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