CN104366650A - Drink sterilization device - Google Patents
Drink sterilization device Download PDFInfo
- Publication number
- CN104366650A CN104366650A CN201410658490.4A CN201410658490A CN104366650A CN 104366650 A CN104366650 A CN 104366650A CN 201410658490 A CN201410658490 A CN 201410658490A CN 104366650 A CN104366650 A CN 104366650A
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- CN
- China
- Prior art keywords
- cooler bin
- heat
- conveying pipe
- material conveying
- sterilizing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/42—Preservation of non-alcoholic beverages
- A23L2/46—Preservation of non-alcoholic beverages by heating
Abstract
The invention discloses a drink sterilization device which comprises a heating box, a cooling box, a heat insulated box and a material delivery pipeline, wherein one end of the material delivery pipeline is communicated with a feeding device at the upstream, and the other end of the material delivery pipeline extends to sequentially pass through the heating box, the heat insulated box and the cooling box so as to be communicated with a material filling machine at the downstream; the drink sterilization device is characterized by also comprising at least one variable frequency flow pump; the variable frequency flow pump is arranged in the material delivery pipeline between the heat insulated box and the cooling box; and the outer pipe wall of the material delivery pipeline extends to form multiple heat-conducting fins in the heat insulated box and the heating box. The variable frequency flow pumps are arranged on the material delivery pipeline, so that the drink sterilization device disclosed by the invention can be applied to various materials of different properties, and the cost is reduced. Furthermore, the heat-conducting fins are arranged on the outer pipe wall of the material delivery pipeline, so that the heat exchange rate is improved, and the cost is further reduced.
Description
Technical field
The present invention relates to a kind of bactericidal unit, particularly a kind of beverage sterilizing device.
Background technology
In the various work flows of food, sterilizing is one of link of most critical, and the quality of bactericidal unit quality directly impact can produce the sanitary grade of rear food.Along with the raising of living standards of the people, to the requirement also corresponding raising of sterilizing beverages, existing requirement is can not the nutritive element content such as vitamin, protein, probio in considerable damage beverage, ensure the completeness of sterilizing again, the harmful total plate counts such as the Escherichia coli in beverage, staphylococcus aureus, Listeria are effectively controlled at certain hour.
The physical sterilization technology of beverage mainly contains heat sterilization, pressurization sterilizing, microwave and ultraviolet disinfection etc., and heat sterilization technology due to simple in equipment, be convenient to safeguard, with low cost etc. that advantage obtains and use more widely.Conventional heat sterilization mode is divided into again pasteurize, high temperature, short time sterilizing and ultra high temperature short time sterilization, the temperature requirement of three kinds of sterilizings is respectively 60 DEG C ~ 100 DEG C, 100 DEG C ~ more than 150 DEG C and 150 DEG C, and therefore different types of beverage has applicable heat sterilization mode different separately.
Along with day by day increasing the weight of of energy crisis, all formulate corresponding specification both at home and abroad with the development of propulsion energy-saving technology, and because the utilization of the heating of pipeline and pump all needs a large amount of energy ezpenditure in heat sterilization, therefore there is larger energy-saving potentiality.At present, the various heat sterilization devices of beverage mostly can not meet energy-conservation and sterilizing double requirements thoroughly, Chinese patent (ZL 201120031027.9) proposes a kind of energy-conservation heat sterilization device, a part in cooling tube is loaded on heating tube inside by this device, heat to be cooled for high temperature beverage after sterilizing is used in the preheating section that sterilizing beverages starts, the cold of preheating section also can carry out precooling to cooling section simultaneously, plays dual energy-conserving action.But the defect of such scheme is: on the one hand, the low energy-saving effect of thermal conversion efficiency is limited, automaticity is low, be not easy to maintenance; On the other hand, due to the flow control of beverage and cooling water or other fluid cannot quantize, make the application surface of whole device narrower (beverage can only provide the flow velocity of 0.4m/s in heating, insulation and cooling tube) and the costs such as renewal are high.
Prior art (ZL 201120031027.9) is not owing to having frequency conversion function, and beverage can only provide the flow velocity of 0.4m/s in heating, insulation and cooling tube; And the waste gas that bringing-up section steam (vapor) outlet is discharged generally directly enters in air, causes pollution to environment.According to initial design, this device is used for heating milk and carries out bus sterilizing, and heating 1kg milk approximately need absorb 1.25 × 10
5j heat, the heat for this reason needing steam to take in is about 1.08 × 10
6j, the utilization rate of steam heat is only 8.64%, shown in calculating parameter sees the following form:
Therefore be necessary to propose another kind of device to solve problems.
Summary of the invention
The technical problem to be solved in the present invention is low and cause application surface narrow based on flow velocity and the higher defect of cost in order to overcome prior art energy conversion efficiency, provides that a kind of energy conversion efficiency is higher, cost is lower and the beverage sterilizing device that applicable surface is wider.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of beverage sterilizing device, it includes a heating cabinet, a cooler bin, an incubator and a material conveying pipe, one end of described material conveying pipe is communicated with the feed arrangement of upstream, what the other end extended is communicated with the material filling machine in downstream with described cooler bin through described heating cabinet, described incubator successively, its feature is, described beverage sterilizing device also includes at least one frequency conversion flow pump, and described frequency conversion flow pump is arranged in the described material conveying pipe between described incubator and described cooler bin;
The outer tube wall of described material conveying pipe is extended in described incubator and described heating cabinet some heat-conducting fins.
Herein, in order to strengthen the heat exchanger effectiveness of material conveying pipe, the outer tube wall that it is positioned at heating cabinet and incubator is provided with heat-conducting fins.Usually the high-temperature steam all adopted due to heating material then uses the liquid such as water when cooling, if arrange heat-conducting fins in cooler bin, can produce drag energy consumption is increased on the contrary to current.Therefore heat-conducting fins is only arranged in incubator and heating cabinet.
In addition, be that the applicant of the application is just drawn after validation trial by reasonable assumption between the setting area of frequency conversion flow pump.Generally for and change the two ends that flow velocity and the frequency conversion flow pump that adopts are arranged at transfer pipeline, in theory the object that enough powerful frequency conversion flow pump perfectly can reach the flow velocity controlling whole transfer pipeline is set at any one of transfer pipeline.But there is larger difference in fluid state when the low cements such as the conveying of beverage and pure water or the Liquid transfer without cement in pipeline.
Along with the temperature of fluid uprises, intermolecular warm-up movement can be more and more violent, and van der Waals interaction increases simultaneously.And the physicochemical properties such as boiling point, fusing point, heat of gasification, melting heat, solubility, surface tension, viscosity of Van der Waals force on material have conclusive impact.
General liquid viscosity raises with temperature and reduces, because the associative structure raised between fluid molecule along with temperature is destroyed.The material of some liquid state can be that first viscosity reduces, and after crossing a peak, viscosity raises again.
In the application, due to sugary, the milk powder of major part in beverage or maltose and each kind of starch, after this mixture carries out pasteurize (60 ~ 100 DEG C) in moist closet, cooler bin can be entered along material conveying pipe, at this moment material (i.e. beverage) temperature decrease, show that the viscous degree of material can reach the highest through experimental study, it is the most reasonable that therefore frequency conversion flow pump is set between cooler bin and incubator.If be arranged at the downstream of cooler bin, then frequency conversion flow pump operating efficiency can be caused low because of the generation of material retardance.
Preferably, the end to end outer tube wall being helically wound around described material conveying pipe of described heat-conducting fins, forms guiding gutter between described heat-conducting fins.
Arranging heat-conducting fins spiral surrounding and Material pipeline outer tube wall herein and form guiding gutter, is to allow the steam passed through make whole Material pipeline be heated evenly in incubator and heating cabinet along guiding gutter flowing.
Preferably, described cooler bin uses brine-cooled, and the outer wall of the described material conveying pipe in described cooler bin is provided with some thread heat carriers.
Herein, because cooler bin utilizes salt solution to cool, chilling temperature like this can be lower, cooling effectiveness is faster, simultaneously effectively can prevent fouling and affect heat exchange, and do not block current again as far as possible while raising heat exchanging efficiency, make heat exchange and energy-conservation can and get both.
Preferably, described material conveying pipe in the one end be communicated with described feed arrangement, one end of being communicated with described material filling machine is provided with a frequency conversion flow pump.
Preferably, at least one frequency conversion flow pump is provided with in described heating cabinet and described cooler bin.
Herein, heating and the chilling temperature that can control each section are flexibly set like this, realize the sterilizing needs of variety classes beverage; Improve the security performance of device simultaneously, when steam pressure in heating cabinet is comparatively large or water back interior conduit temperature exceedes sterilizing and taken, frequency conversion flow pump can realize frequency conversion automatically to reduce the quantity of steam of entrance, when pressure is too small or temperature requires lower than sterilizing, then the temperature requirements of each section when the quantity of steam that can increase entrance is to meet sterilizing beverages.
Preferably, described beverage sterilizing device also includes an alarm device;
Described alarm device is communicated with described heating cabinet with described cooler bin, described feed arrangement, for monitoring the liquid in described cooler bin, described feed arrangement and described heating cabinet, gas pressure and provide alarm signal.
Restriction is exceeded once the pressure in pipeline, by being arranged on pressure and temperature instrument monitoring and the Computer Automatic Recognition of each functional section, realize flow automatic regulation variable frequency pump, continue as regulated rear pressure to increase, the program then can compiled and edit by computer, open if the stoppers such as stop valve in pipeline are with operation suspension, so can avoid because manual operation is improper or negligent supervision, cause the too high pipeline burst caused of overpressure.
Preferably, described alarm device and whole described frequency conversion flow pump are all electrically connected with a control circuit.
Positive progressive effect of the present invention is: by arranging frequency conversion flow pump on material conveying pipe, makes the present invention go for various material of different nature, reduces cost; Improve rate of heat exchange further by arranging heat-conducting fins on the outer tube wall of material conveying pipe, reduce further cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the beverage sterilizing device of present pre-ferred embodiments.
Fig. 2 is the beverage sterilizing device of present pre-ferred embodiments and the structural representation of alarm device.
Fig. 3 is the structural representation of the heat-conducting fins of present pre-ferred embodiments.
Detailed description of the invention
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
Fig. 1 is the structural representation of the beverage sterilizing device of present pre-ferred embodiments, the beverage sterilizing device that the present embodiment relates to as shown in Figure 1 includes heating cabinet 8, cooler bin 10, incubator 9 and material conveying pipe 2, one end of material conveying pipe 2 is communicated with the mass transport standpipe 1 of upstream, what the other end extended is communicated with the material filling machine 7 in downstream with cooler bin 10 through heating cabinet 8, incubator 9 successively, beverage sterilizing device also includes some frequency conversion flow pumps 2, is provided with a frequency conversion flow pump 2 in the material conveying pipe 2 between incubator 9 and cooler bin 10.Material conveying pipe 2 is also respectively arranged with a frequency conversion flow pump 2 in the one end be communicated with mass transport standpipe and one end of being communicated with material filling machine 7.
Cooler bin 10 is provided with cooling water inlet 12 and coolant outlet 13, heating cabinet 8 is provided with steam inlet 14, steam (vapor) outlet 15, condensation-water drain 16, Pressure gauge 17, access door 22 and thermometer 18.
Beverage carries out high temperature or the ultra high temperature short time sterilization of 120 ~ 200 DEG C of steam successively in material conveying pipe 2 by heating cabinet 8, finally entering cooling water temperature is cool in the cooler bin of 5 DEG C ~ 20 DEG C.
Wherein, material conveying pipe 2 comprises the water back 3 through heating cabinet 8 and the utilidor 4 through incubator 9 and through the cooling pipe 6 of cooler bin 10.
In incubator 9 and heating cabinet 8, (i.e. the water back 3 of material conveying pipe 2 and utilidor 4 part) is extended some stainless steel fins 21 as heat-conducting fins for the outer tube wall of material conveying pipe 2.
In addition, mass transport standpipe 1 and utilidor 4 are provided with pipe break valve 11, for blocking the liquid flow in material conveying pipe 2.Steam inlet 14 and cooling water inlet 12 are respectively arranged with steam flow VFC pump 20 and cooling water flow VFC pump 19.
Steam flow VFC pump 20 can realize frequency conversion automatically to reduce the quantity of steam of entrance, when pressure is too small or temperature requires lower than sterilizing, the temperature requirements of each section when the quantity of steam that then can increase entrance is to meet sterilizing beverages, the VFC principle of the cooling water flow VFC pump 19 of cooler bin 10 sections is identical with steam flow VFC pump 20.
As shown in Figure 3, the end to end outer tube wall being helically wound around material conveying pipe 2 (water back 3 sections and utilidor 4 sections) of stainless steel fin 21, forms guiding gutter between stainless steel fin 21.Distance between stainless steel fin is 5cm ~ 7cm, and so design can strengthen the contact area of pipeline and steam, increases heat transfer effect further.
The outer wall of the material conveying pipe 2 in cooler bin 10 is provided with some thread heat carrier (not shown)s.Cooler bin 10 adopts salt solution as cooling liquid.
Pipeline in the present embodiment in each functional compartment (heating cabinet 8, incubator 9 and cooler bin 10) and the making material of material conveying pipe 1 are stainless steel material, for meeting intensity and the rigidity of pipeline in the present embodiment, meet its corrosion resistance and antirustization requirement simultaneously, regulation uses the trade mark of material to be necessary for more than " 304 " number stainless steel, and the Joining Technology of pipeline can only be argon arc welding seamless welding.The Joining Technology of fin and pipeline can for first to use bottom argon arc welding, to ensure bonding strength and the contact area of fin and pipeline, and rear available common welding manner paving.
In addition, Fig. 2 is the beverage sterilizing device of present pre-ferred embodiments and the structural representation of alarm device, and the beverage sterilizing device of the present embodiment also includes alarm device 23 as shown in Figure 2.
Alarm device 23 is communicated with heating cabinet 8 with cooler bin 10, feed arrangement, for monitoring the liquid in cooler bin 10, feed arrangement and heating cabinet 8, gas pressure and provide alarm signal.
Alarm device 23, all frequency conversion flow pumps 2 and each instrument are all electrically connected with control circuit 24.
Restriction is exceeded once the pressure in material conveying pipe 2, automatically identified by the pressure and temperature instrument monitoring and control circuit 24 that are arranged on each functional section, realize automatically regulating frequency conversion flow pump 2, continue as regulated rear pressure to increase, program then by compiling and edit, in pipeline, pipe break valve 11 is closed, this device operation suspension, so can avoid, because manual operation is improper or negligent supervision, causing the too high pipeline burst caused of overpressure.The present embodiment specifies that the bearing capacity of each flow pump and pipeline is 1.5 times of maximum working pressure (MWP) simultaneously, when overpressure exceedes maximum working pressure (MWP), and alarm activation; When pressure exceedes 1.2 times of maximum working pressure (MWP), pipe break valve 11 is closed, and system is stopped transport automatically.
The present embodiment owing to being equipped with fin in heat exchanger tube, single from bringing-up section analysis, heat exchange efficiency is increased to intrinsic 1.12 times through calculating, under the speed conditions not changing pump group, maintain the intrinsic flow velocity of beverage, the vapor (steam) temperature taken in can be contracted to 107 DEG C, the steam heat about 9.4 × 10 taken in during the sterilizing of 1kg milk
5j, during sterilizing, steam utilization efficiency is increased to 12.7%.And owing to adding heat reclamation device at steam (vapor) outlet, the vapor (steam) temperature of recovery, as by 80 DEG C of calculating, can reclaim 1.76 × 10 in 1 hour
7j heat, regenerative power is 4.9kW, compare intrinsic 120 DEG C of steam and take in temperature, the design sprays into temperature due to the steam decreasing 13 DEG C, has saved the heating energy consumption of 1.06kW as calculated, and bringing-up section like this one hour energy saves the power consumption of about 6kW than former design, according to 8 table apparatus, 12 hours/day, the running amount of a year 300 days, at least can save 1.72 × 10 in 1 year
5degree electricity, calculate as pressed commercial power 1 yuan/degree, the electric cost of 1 year bringing-up section is 1.72 ten thousand yuan.
The rotating speed of frequency conversion flow pump 2 can be adjusted to keeps out, rotating speed is contracted to 1000 revs/min, owing to reducing flow velocity, beverage lengthened in the Bottomhole pressure time, only the temperature of steam need be enlarged to 138 DEG C, just the sterilizing final temperature of beverage can be increased to 90 DEG C, this is just conducive to fruit juice, sterilising temp that this kind of beverage of fruit tea needs are higher.In addition, when not changing original beverage pump rotating speed, by vapor (steam) temperature is adjusted to 152 DEG C, steam flow VFC pump 20 is converted to top gear, then can provide the steam flow rate of about 1m/s, can realize effect same.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that this only illustrates, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, and these change and amendment all falls into protection scope of the present invention.
Claims (7)
1. a beverage sterilizing device, it includes a heating cabinet, a cooler bin, an incubator and a material conveying pipe, one end of described material conveying pipe is communicated with the feed arrangement of upstream, what the other end extended is communicated with the material filling machine in downstream with described cooler bin through described heating cabinet, described incubator successively, it is characterized in that, described beverage sterilizing device also includes at least one frequency conversion flow pump, and described frequency conversion flow pump is arranged in the described material conveying pipe between described incubator and described cooler bin;
The outer tube wall of described material conveying pipe is extended in described incubator and described heating cabinet some heat-conducting fins.
2. beverage sterilizing device as claimed in claim 1, it is characterized in that, the end to end outer tube wall being helically wound around described material conveying pipe of described heat-conducting fins, forms guiding gutter between described heat-conducting fins.
3. beverage sterilizing device as claimed in claim 1, is characterized in that, described cooler bin uses brine-cooled, and the outer wall of the described material conveying pipe in described cooler bin is provided with some thread heat carriers.
4. beverage sterilizing device as claimed in claim 1, is characterized in that, described material conveying pipe is provided with a frequency conversion flow pump in the one end be communicated with described feed arrangement and one end of being communicated with described material filling machine.
5. beverage sterilizing device as claimed in claim 4, is characterized in that, the cooling water inlet of described cooler bin and the steam inlet of described heating cabinet.
6. the beverage sterilizing device according to any one of Claims 1 to 5, is characterized in that, described beverage sterilizing device also includes an alarm device;
Described alarm device is communicated with described heating cabinet with described cooler bin, described feed arrangement, for monitoring the liquid in described cooler bin, described feed arrangement and described heating cabinet, gas pressure and provide alarm signal.
7. beverage sterilizing device as claimed in claim 6, it is characterized in that, described alarm device and whole described frequency conversion flow pump are all electrically connected with a control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658490.4A CN104366650B (en) | 2014-11-18 | 2014-11-18 | beverage sterilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658490.4A CN104366650B (en) | 2014-11-18 | 2014-11-18 | beverage sterilizing device |
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| CN104366650A true CN104366650A (en) | 2015-02-25 |
| CN104366650B CN104366650B (en) | 2017-06-06 |
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| CN201410658490.4A Active CN104366650B (en) | 2014-11-18 | 2014-11-18 | beverage sterilizing device |
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| CN202059963U (en) * | 2011-01-28 | 2011-12-07 | 上海海洋大学 | Energy conservation device for drink sterilization |
| CN202588212U (en) * | 2011-11-09 | 2012-12-12 | 上海海洋大学 | Beverage sterilizing device for preheating by using steam effectively |
| CN202909140U (en) * | 2012-11-20 | 2013-05-01 | 徐亲民 | Frequency-conversion-controlled energy-saving continuous sterilization system |
| CN203633443U (en) * | 2013-09-10 | 2014-06-11 | 杭州远山食品科技有限公司 | Spiral flow heat exchange tube of liquid food material sterilizer |
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2014
- 2014-11-18 CN CN201410658490.4A patent/CN104366650B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010070791A (en) * | 2001-06-07 | 2001-07-27 | 김문환 | a Direct heating, a sterilizer |
| CN1493230A (en) * | 2002-10-28 | 2004-05-05 | 力 邓 | Superhigh temperature disinfecting method of solid food and its apparatus |
| CN1789880A (en) * | 2005-12-16 | 2006-06-21 | 华南理工大学 | Integral external finned tube and method for manufacturing the same |
| CN201069332Y (en) * | 2007-07-20 | 2008-06-04 | 上海化工装备有限公司 | Heat exchange pipe for heat exchanger |
| CN101416765A (en) * | 2008-11-14 | 2009-04-29 | 王承辉 | Yielding medium thermal sterilization device |
| CN202059963U (en) * | 2011-01-28 | 2011-12-07 | 上海海洋大学 | Energy conservation device for drink sterilization |
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| CN203633443U (en) * | 2013-09-10 | 2014-06-11 | 杭州远山食品科技有限公司 | Spiral flow heat exchange tube of liquid food material sterilizer |
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