CN204245081U - Steam preheating frequency conversion beverage sterilizing device - Google Patents
Steam preheating frequency conversion beverage sterilizing device Download PDFInfo
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- CN204245081U CN204245081U CN201420692715.3U CN201420692715U CN204245081U CN 204245081 U CN204245081 U CN 204245081U CN 201420692715 U CN201420692715 U CN 201420692715U CN 204245081 U CN204245081 U CN 204245081U
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- frequency conversion
- conveying pipe
- material conveying
- steam
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Abstract
The utility model provides a kind of steam preheating frequency conversion beverage sterilizing device, it includes heating cabinet, cooler bin, incubator and material conveying pipe, being communicated with feed arrangement of material conveying pipe, and be communicated with material filling machine with cooler bin through heating cabinet, incubator, steam preheating frequency conversion beverage sterilizing device also includes frequency conversion flow pump, is arranged in the material conveying pipe between incubator and cooler bin; The outer tube wall of material conveying pipe is provided with heat-conducting fins; Heating cabinet includes heating unit and preheating unit, and heating unit is communicated with a steam source; Be communicated with condensed water transfer passage in heating unit, condensed water transfer passage is communicated with preheating unit.By arranging frequency conversion flow pump on material conveying pipe, making the utility model go for various material of different nature, reducing cost; Improve rate of heat exchange further by arranging heat-conducting fins on the outer tube wall of material conveying pipe, reduce further cost.
Description
Technical field
The utility model relates to a kind of bactericidal unit, particularly a kind of steam preheating frequency conversion 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 2,011 2 0031027.9) 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.
In addition, the condensed water that common beverage sterilizing device produces after the steam source heating of heating cabinet is all direct discharge, and the heat caused in condensed water is wasted in a large number.Therefore, the utilization efficiency of heat energy how improving steam output block also becomes a technical barrier.
Utility model content
The technical problems to be solved in the utility model 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 steam preheating frequency conversion beverage sterilizing device that applicable surface is wider.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of steam preheating frequency conversion 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 steam preheating frequency conversion 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;
Described heating cabinet includes a heating unit and a preheating unit, and described material conveying pipe enters described incubator successively after described preheating unit and described heating unit, and described heating unit is communicated with a steam source;
Be communicated with a condensed water transfer passage in described heating unit, described condensed water transfer passage is communicated with described preheating unit, for being delivered in described preheating unit by the condensed water collected in described heating unit.
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.
In addition, because heating cabinet adopts Steam Heating, preheating unit and heating unit are set in heating cabinet, steam is to creating a large amount of condensed water after heating unit heats, these condensate temperatures are higher, therefore can be delivered in preheating unit by condensed water transfer passage and preheating is carried out to the physical transport pipeline in preheating unit, a large amount of heat energy can be saved like this.
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, 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 steam preheating frequency conversion 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 utility model is: by arranging frequency conversion flow pump on material conveying pipe, makes the utility model 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 steam preheating frequency conversion beverage sterilizing device of the utility model preferred embodiment.
Fig. 2 is the steam preheating frequency conversion beverage sterilizing device of the utility model preferred embodiment and the structural representation of alarm device.
Fig. 3 is the structural representation of the heat-conducting fins of the utility model preferred embodiment.
Detailed description of the invention
Mode below by embodiment further illustrates the utility model, but is not therefore limited among described scope of embodiments by the utility model.The experimental technique of unreceipted actual conditions in the following example, conventionally and condition, or selects according to catalogue.
Mode below by embodiment further illustrates the utility model, but is not therefore limited among described scope of embodiments by the utility model.
Fig. 1 is the structural representation of the steam preheating frequency conversion beverage sterilizing device of the utility model preferred embodiment, the steam preheating frequency conversion 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 passes heating cabinet 8 successively, incubator 9 is communicated with the material filling machine 7 in downstream with cooler bin 10, steam preheating frequency conversion beverage sterilizing device also includes some frequency conversion flow pumps 2, a frequency conversion flow pump 2 is provided with in 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 steam preheating frequency conversion beverage sterilizing device of the utility model preferred embodiment and the structural representation of alarm device, and the steam preheating frequency conversion 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.
In addition, heating cabinet 8 includes preheating section 31 and bringing-up section 32, the bottom of bringing-up section 32 is provided with the condensed water section of collecting 36, and condensed water transfer passage 34 is communicated with the condensed water section of collecting 36 in bringing-up section 32 and preheating section 31 respectively, is provided with VFC pump 33 in condensed water transfer passage 34.As shown in Figure 1, the high-temperature condensation water in bringing-up section 32 is pooled to the condensed water section of collecting 36 along slope 37, enters in preheating section 31 under the effect of VFC pump 33 through condensed water transfer passage 34, carries out preheating to the physical transport pipeline in preheating section 31.
In addition, steam can also enter in preheating section 31 through passage 35, then discharges through steam (vapor) outlet 15.
Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, and these change and amendment all falls into protection domain of the present utility model.
Claims (7)
1. a steam preheating frequency conversion 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 steam preheating frequency conversion 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;
Described heating cabinet includes a heating unit and a preheating unit, and described material conveying pipe enters described incubator successively after described preheating unit and described heating unit, and described heating unit is communicated with a steam source;
Be communicated with a condensed water transfer passage in described heating unit, described condensed water transfer passage is communicated with described preheating unit, for being delivered in described preheating unit by the condensed water collected in described heating unit.
2. steam preheating frequency conversion 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. steam preheating frequency conversion 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. steam preheating frequency conversion 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. steam preheating frequency conversion 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 steam preheating frequency conversion beverage sterilizing device according to any one of Claims 1 to 5, is characterized in that, described steam preheating frequency conversion 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. steam preheating frequency conversion 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 |
|---|---|---|---|
| CN201420692715.3U CN204245081U (en) | 2014-11-18 | 2014-11-18 | Steam preheating frequency conversion beverage sterilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692715.3U CN204245081U (en) | 2014-11-18 | 2014-11-18 | Steam preheating frequency conversion beverage sterilizing device |
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| Publication Number | Publication Date |
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| CN204245081U true CN204245081U (en) | 2015-04-08 |
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|---|---|---|---|
| CN201420692715.3U Withdrawn - After Issue CN204245081U (en) | 2014-11-18 | 2014-11-18 | Steam preheating frequency conversion beverage sterilizing device |
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| CN (1) | CN204245081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323393A (en) * | 2014-11-18 | 2015-02-04 | 光明乳业股份有限公司 | Steam preheating frequency-variable beverage sterilizing device |
-
2014
- 2014-11-18 CN CN201420692715.3U patent/CN204245081U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323393A (en) * | 2014-11-18 | 2015-02-04 | 光明乳业股份有限公司 | Steam preheating frequency-variable beverage sterilizing device |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150408 Effective date of abandoning: 20160210 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |