CN101856136A - Ultrasonic continuous sterilization device and method thereof - Google Patents
Ultrasonic continuous sterilization device and method thereof Download PDFInfo
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- CN101856136A CN101856136A CN 201010188720 CN201010188720A CN101856136A CN 101856136 A CN101856136 A CN 101856136A CN 201010188720 CN201010188720 CN 201010188720 CN 201010188720 A CN201010188720 A CN 201010188720A CN 101856136 A CN101856136 A CN 101856136A
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Abstract
The invention provides an ultrasonic continuous sterilization device, comprising a raw material tank, a heating device, a heat exchanging device, an ultrasonic processing device, a liquid storage device and a controller. The heating device is connected with the heat exchanging device. The raw material tank, the heat exchanging device, the ultrasonic processing device and the liquid storage device are sequentially connected through pipelines. The controller is respectively connected with the heating device, the heat exchanging device, the ultrasonic processing device and control valves on the pipelines. The ultrasonic processing device comprises an ultrasonic barrel, a plurality of ultrasonic probes, ultrasonic transducers and ultrasonic generators, wherein the ultrasonic transducers and the ultrasonic generators are arranged corresponding to the ultrasonic probes, the ultrasonic generators adopt different frequencies and are all arranged in the controller, and the ultrasonic probes are correspondingly distributed on the periphery of the ultrasonic barrel in a stagered junction mode. The invention also provides a method realized by the devices, i.e. feed liquid is firstly heated by the heat exchanging device, and then dynamic and continuous ultrasonic sterilization processing is carried out by the ultrasonic processing device. The invention adopts the technology combining low-temperature heating and ultrasonic processing, and has the advantages of good sterilization effect, high efficiency and the like.
Description
Technical field
The invention belongs to the food liquid sterilization technology field, particularly a kind of ultrasonic continuous sterilization device and method thereof that has continuously processing capacity is used for the sterilization of fruit juice.
Background technology
At present, in modern fruit and vegetable juice processing process, generally adopt the high temperature heating technique to realize sterilization.But traditional high temperature heating technique can produce destruction in various degree to the nutritional labeling of food, especially the loss of thermal sensitivity composition is very big, also can cause the brown stain of Juice simultaneously, greatly reduce the quality and the sense organ of food, cause the quality problem of Juice easily.And in the prior art, the ultrasonic sterilization of employing technology being arranged also, its principle is: the cavitation effect of ultrasonic generation can produce tremendous influence to cells of microorganisms structure, metabolism, thereby causes the death of microorganism, to reach sterilization effects.At present, ultrasonic technique is applied to the extensive concern that sterilization process has obtained people, but in the existing technology, generally all ultrasonic technique is used separately, ultrasonicly Juice etc. is carried out sterilization need use higher ultrasonic power and use separately, consume a large amount of energy, increase production cost, have defectives such as production cost height, energy resource consumption be too much.And about ultrasonic and research other technical tie-up sterilization, the overwhelming majority also rests on laboratory stage, and each treating capacity is all very little, majority can only carry out batch (-type) to be handled (promptly, the heating that the processing of Juice relates to, heat exchange, treatment process such as ultrasonic, can only realize batch process, as heat treated for Juice, after one barrel of fruit juice need being heated to design temperature, must all extract out, refill again and heat, can not extract processing continuously out), therefore also can't be applied to suitability for industrialized production, this has hindered the development of ultrasonic in combination sterilization technology greatly.
Summary of the invention
For the shortcoming and deficiency that overcomes prior art, primary and foremost purpose of the present invention is to provide a kind of ultrasonic continuous sterilization device, have processing capacity continuously, can realize continuously feed liquids such as Juice are carried out operations such as preheating, ultrasonic sterilization, have advantages such as bactericidal effect is good.This invention utilizes ultrasonic in combination heat kill bacterium, has promptly reduced the temperature required and time of heat kill bacterium, can reduce employed ultrasonic power again, reduces the ultrasonic energy that consumes, thereby improves germicidal efficiency, guarantees food quality.
Another object of the present invention is to provide the ultrasonic continuous sterilizing method that realizes by said apparatus.
Purpose of the present invention is achieved through the following technical solutions: a kind of ultrasonic continuous sterilization device, comprise head tank, heater, heat-exchanger rig, ultrasonic processing apparatus, device for storing liquid and controller, described heater is connected with heat-exchanger rig, described head tank, heat-exchanger rig, ultrasonic processing apparatus and device for storing liquid are connected by pipeline successively, and described controller connects the control valve on heater, heat-exchanger rig, ultrasonic processing apparatus and each pipeline respectively; Described ultrasonic processing apparatus comprises the ultrasonic transducer and the supersonic generator of ultrasonic bucket, several ultrasonic probes and corresponding setting with ultrasonic probe, each supersonic generator adopts different frequencies and all is arranged in the controller, on each ultrasonic probe was dislocated and distributed on around the ultrasonic bucket accordingly, described ultrasonic transducer was connected with supersonic generator by the signal guidance line.
Described ultrasonic processing apparatus also comprises water pump four and ultrasonic bung, and ultrasonic bung is located at the top of ultrasonic bucket and is connected with ultrasonic bucket, so that ultrasonic barrel-shaped one-tenth sealed space; Described ultrasonic bucket is a double-decker, internal layer is isolated mutually with outer, and internal layer is the ultrasonic jar that is used for the splendid attire material liquid, and described ultrasonic probe is fixed on the internal layer madial wall, ultrasonic transducer is fixed between the ectonexine, and the corresponding setting with ultrasonic probe of ultrasonic transducer;
Described ultrasonic jar bottom is provided with charging aperture, and described charging aperture is connected with heat-exchanger rig by pipeline; Described ultrasonic jar top is provided with discharging opening, and discharging opening is connected with a port of water pump four by pipeline, and the another port of water pump four connects ultrasonic jar charging aperture and device for storing liquid respectively by pipeline;
The top of described ultrasonic bung is connected with the blast pipe that is communicated with ultrasonic bucket, and its below is provided with water level switch;
Also be equipped with magnetic valve on described water pump four and ultrasonic jar charging aperture and the pipeline that device for storing liquid is connected;
Described magnetic valve is connected with controller.
Described heater comprises water pump two, thermotank and heating bung, and thermotank is covered on the top of thermotank and is connected with thermotank, so that thermotank forms sealed space; Bottom in the thermotank is provided with heating bar, and the bucket wall of thermotank is provided with temperature control base; The bottom of thermotank is provided with delivery port and backflow import, and a port of water pump two is connected with delivery port by pipeline, and the another port is connected with heat-exchanger rig by pipeline; Described backflow import is connected with heat-exchanger rig by pipeline; Described temperature control base all is connected with controller with heating bar.
Described heat-exchanger rig comprises water pump three, heat exchange bucket and heat exchange bung, and the heat exchange bung is located at the top of heat exchange bucket and is connected with the heat exchange bucket, so that the barrel-shaped one-tenth sealed space of heat exchange; The bottom of described heat exchange bucket is provided with charging aperture, water inlet and delivery port, its barrel wall is provided with discharging opening, charging aperture is connected with head tank by pipeline, and discharging opening is connected with a port of water pump three by pipeline, and the another port of water pump three is connected with the charging aperture of ultrasonic processing apparatus by pipeline;
Be provided with coil pipe in the described heat exchange bucket, one end of coil pipe extends to the water inlet of heat exchange bucket and is connected with the delivery port of thermotank by pipeline, its other end is connected with straight tube, and described straight tube extends to the delivery port place of heat exchange bucket, and is connected with the backflow import of thermotank by pipeline.
Also be provided with several sample taps on the described ultrasonic bucket sidewall, described sample tap is communicated with ultrasonic jar;
The top of described heat exchange bung is connected with the blast pipe that is communicated with the heat exchange bucket, and its below is provided with water level switch; The top of heating bung is connected with the blast pipe that is communicated with thermotank, and its below is provided with water level switch; Each water level switch all is connected with controller;
Each supersonic generator is respectively the supersonic generator of 20KHz and 25KHz different frequency, and the supersonic generator of the 20KHz ultrasonic probe corresponding with the supersonic generator of 25KHz is dislocated and distributed on the madial wall all around of ultrasonic jar.
Described head tank is several, is equipped with discharging opening on each head tank, and described discharging opening all is connected with discharge pipe, and the other end of discharge pipe all is connected with water pump one, and the outlet of water pump one is connected with heat-exchanger rig by pipeline;
Described device for storing liquid comprises fluid reservoir and liquid storage cover, and fluid reservoir is covered on the top of fluid reservoir and is connected with fluid reservoir, so that fluid reservoir forms sealed space; The below of liquid storage cover is provided with water level switch, and the top is provided with blast pipe, and blast pipe is communicated with fluid reservoir, and the tank skin of fluid reservoir is provided with charging aperture, and charging aperture is connected with ultrasonic processing apparatus by pipeline.
Described device also comprises support one, support two and support three, and described head tank is fixed on the support one, and heater and heat-exchanger rig all are fixed on the support two, and ultrasonic processing apparatus and device for storing liquid all are fixed on the support three;
Be provided with control valve and flowmeter respectively on described head tank and the pipeline that heat-exchanger rig is connected, on heat-exchanger rig and the pipeline that ultrasonic processing apparatus is connected and on ultrasonic processing apparatus and the pipeline that device for storing liquid is connected, control valve all is connected with controller with flowmeter.
Ultrasonic continuous sterilizing method by the said apparatus realization: feed liquid is earlier after heat-exchanger rig is heated, handle by ultrasonic sterilization through ultrasonic processing apparatus again, feed liquid the process of heating of heat-exchanger rig and in ultrasonic processing apparatus the ultrasonic sterilization process be dynamically continuously and realize, specifically comprise the steps:
(1) water pump one is delivered to the feed pump in the Raw material pail in the heat-exchanger rig;
(2) feed liquid is flowed to the discharging opening of its top along coil pipe by the charging aperture of heat-exchanger rig bottom, feed liquid is when flowing, heater carries out dynamic heat exchange to heat-exchanger rig input hot water to it, reaches certain drop temperature when feed liquid is flowed out by the discharging opening of heat-exchanger rig;
(3) water pump three is pumped to the discharging opening of feed liquid from heat-exchanger rig ultrasonic jar, and feed liquid is flowed to the discharging opening of its top by the charging aperture of ultrasonic pot bottom; Feed liquid is when flowing, and controller control supersonic generator, ultrasonic transducer and the ultrasonic probe interaction generation ultrasonic wave that is positioned at ultrasonic pot sidewall make ultrasonic wave carry out the dynamic ultrasound sterilization to feed liquid;
(4) feed liquid after the sterilization is pumped to it device for storing liquid from ultrasonic jar discharging opening by water pump four and stores, and finishes processing.
In the described step (2), heater is as follows to the concrete steps of heat-exchanger rig input hot water:
(2-1) controller starts the heating bar in the heater, and heating bar heats water to uniform temperature;
(2-2) controller control temperature control base remains on uniform temperature with hot water; Water pump two is pumped to the delivery port of hot water from the thermotank bottom in the heat exchange bucket;
After (2-3) hot water keeps certain hour in the heat exchange bucket, Open valve, water flows out from the delivery port of heat exchange bucket, and is back in the thermotank along the backflow import of thermotank bottom;
(2-4) circulation execution in step (2-1)～(2-3) makes water circulation heating;
In the described step (3), feed liquid is when ultrasonic sterilization, sample tap from ultrasonic bucket sidewall extracts the detection bactericidal effect, if bactericidal effect is undesirable, then water pump four is extracted feed liquid out from ultrasonic jar discharging opening, be back to the charging aperture of ultrasonic pot bottom again through pipeline, thereby enter the ultrasonic jar of sterilization that refluxes again; If the bactericidal effect that detects meets the requirements, then execution in step (4);
Water pump one, water pump two, water pump three, water pump four, temperature control base, heating bar and the valve that respectively is used for control piper are by controller control operation.
The flow of feed liquid between head tank, heater, heat-exchanger rig, ultrasonic processing apparatus and device for storing liquid is 60～120L/h;
In the described step (2), heater is 80～95 ℃ to the temperature of the hot water of heat-exchanger rig input;
In the described step (2), the feeding temperature that feed liquid flows in the heat-exchanger rig is 10～20 ℃, and feed liquid is 50～60 ℃ by the drop temperature that discharging opening flows out; The heat-exchange time of feed liquid in heat-exchanger rig is 10～20min;
In the described step (3), the dynamic ultrasound sterilizing time of feed liquid in ultrasonic jar is 10～20min;
In the described step (3), each supersonic generator adopts the different frequency of 20KHz and 25KHz respectively, and in the supersonic generator of the 20KHz ultrasonic probe corresponding with the supersonic generator of 25KHz be dislocated and distributed on around the Vltrasonic device.
Principle of the present invention is: the heating bar in the thermotank is heated to uniform temperature (can be adjusted by temperature control base) with the water in the thermotank, hot water is under the effect of water pump two, through delivery port and be delivered to the water inlet of heat exchange bucket along pipeline, thereby be pumped in the coil pipe, hot water flows to the top of coil pipe along coil pipe, flow down from the straight tube that is communicated with the coil pipe top again, flow back to thermotank along straight tube through the delivery port of heat exchange bucket, heat water to by thermotank again and need temperature, so circulation, thus keep the water temperature in the heat exchange bucket and realize that its circulation works continuously; Simultaneously, the feed liquid of Juice is pumped in the heat exchange bucket by water pump one in the head tank, feed liquid flows along the coil pipe lateral wall, under the hot water effect in coil pipe, the temperature of feed liquid is increased to temperature required, behind certain hour, feed liquid reaches 50～60 ℃ at the heat exchange bucket by heat exchange, carries feed liquid to carry out ultrasonic processing to ultrasonic bucket then.Water pump three extracts feed liquid from discharging opening, feed liquid flows in the ultrasonic bucket along pipeline, because the cavitation effect of ultrasonic generation and the HTHP of moment can produce tremendous influence to cells of microorganisms structure, metabolism, thereby cause the death of microorganism, to reach sterilization effects; Behind certain hour, water pump four feed liquid of sterilization is extracted out from discharging opening, and is delivered in the device for storing liquid and stores.In carrying out ultrasonic processing procedure, can carry out inspection by sampling by each sample tap; When sampling is defective, can reflux operation be carried out in its extraction by water pump four, make underproof feed liquid enter ultrasonic jar through charging aperture again and handle again, to reach optimum efficiency.The present invention adopts the technology of heating and combination of ultrasound, and effectively sterilization can be preserved the nutritional labeling in the Juice again to a greater extent.
The present invention compared with prior art has following advantage and beneficial effect:
1, with respect to the intermittence production of prior art, connection between each device of the present invention can realize its serialization production, and can regulate flow, make raw material constantly flow into heater and heat-exchanger rig, fruit juice in the heat-exchanger rig also can continue to flow and carry out ultrasonic processing into ultrasonic processing apparatus simultaneously, has the production efficiency advantages of higher.
2, the present invention adopts the technology of low-temperature heat and combination of ultrasound with respect to existing technology, and effectively sterilization can be preserved the nutritional labeling in the Juice again to a greater extent.
3, the present invention combines the ultrasonic sterilization technology with the sterilization technology of heating, and need not adopt high-power supersonic source, also need not consume the too much energy, can reduce production costs greatly, has advantages such as energy-saving and environmental protection.
4, of the present invention relatively simple for structure, can connect control circuit and realize its automation mechanized operation, also can adopt manual operations.
5, be provided with several sample taps in the ultrasonic processing apparatus of the present invention, can be convenient to monitor product quality at any time ultrasonic jar diverse location sampling detection.
6, the present invention have energy-conservation, save time, advantage such as laborsaving.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention.
Fig. 2 is the structural representation of head tank shown in Figure 1.
Fig. 3 is the heater shown in Figure 1 and the structural representation of heat-exchanger rig.
Fig. 4 is the structural representation of looking up shown in Figure 3.
Fig. 5 is the ultrasonic processing apparatus shown in Figure 1 and the structural representation of device for storing liquid.
Fig. 6 is the expansion distribution schematic diagram of ultrasonic processing apparatus different frequency ultrasonic probe shown in Figure 1.
The specific embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Fig. 1～Fig. 6 shows the concrete structure schematic diagram of present embodiment, as shown in Figure 1, this ultrasonic continuous sterilization device comprises controller, head tank 1, heater 3, heat-exchanger rig 4, ultrasonic processing apparatus 6, device for storing liquid 9, support 1, support 2 47 and support 3 50, described heater 3 is connected with heat-exchanger rig 4, and described head tank 1, heat-exchanger rig 4, ultrasonic processing apparatus 6 and device for storing liquid 9 are connected by pipeline 2,39,5,7,8 successively; As shown in Figure 1, head tank 1 is fixed on the support 1, and heater 3 and heat-exchanger rig 4 all are fixed on the support 2 47, and ultrasonic processing apparatus 6 and device for storing liquid 9 all are fixed on the support 3 50.Described controller connects the control valve on heater 3, heat-exchanger rig 4, ultrasonic processing apparatus 6 and each pipeline respectively; As shown in Figure 5, described ultrasonic processing apparatus 6 comprise ultrasonic bucket, several ultrasonic probes 46 and with the ultrasonic transducer 45 and the supersonic generator of ultrasonic probe 46 corresponding settings, each supersonic generator adopts different frequencies and all is arranged in the controller, on each ultrasonic probe 46 was dislocated and distributed on around the ultrasonic bucket accordingly, described ultrasonic transducer 45 was connected with supersonic generator by the signal guidance line.
As shown in Figure 5, described ultrasonic processing apparatus 6 also comprises water pump 4 49 and ultrasonic bung 56, and ultrasonic bung 56 is located at the top of ultrasonic bucket and is connected with ultrasonic bucket, so that ultrasonic barrel-shaped one-tenth sealed space; Described ultrasonic bucket is a double-decker, internal layer is isolated mutually with outer, and internal layer is the ultrasonic jar 48 that is used for the splendid attire material liquid, and described ultrasonic probe 46 is fixed on the internal layer madial wall, ultrasonic transducer 45 is fixed between the ectonexine, and ultrasonic transducer 45 and ultrasonic probe 46 corresponding settings;
Described ultrasonic jar 48 bottom is provided with charging aperture, and described charging aperture is connected with heat-exchanger rig 4 by pipeline 5; Described ultrasonic jar 48 top is provided with discharging opening, and discharging opening is connected with a port of water pump 4 49 by pipeline 7, and the another port of water pump 4 49 connects ultrasonic jar charging aperture and device for storing liquid 9 by pipeline 19,8 respectively.
The top of described ultrasonic bung 56 is connected with the blast pipe 55 that is communicated with ultrasonic bucket, and its below is provided with water level switch 43;
On the pipeline 19 that described water pump 4 49 is connected with charging aperture and with pipeline 8 that device for storing liquid 9 is connected on also be provided with magnetic valve 13,12 respectively;
Each magnetic valve 13,12 all is connected with controller.
As shown in Figure 3, described heater 3 comprises water pump 2 35, thermotank 29 and heating bung 26, and heating bung 26 is located at the top of thermotank 29 and is connected with thermotank 29, so that thermotank 29 forms sealed space; Bottom in the thermotank 29 is provided with heating bar 30, and the bucket wall of thermotank 29 is provided with temperature control base 28; As shown in Figure 4, the bottom of thermotank 29 is provided with delivery port 60 and backflow import 61, and a port of water pump 2 35 is connected with delivery port 60 by pipeline 36, and the another port is connected with heat-exchanger rig 4 by pipeline 38; Described backflow import 61 is connected with heat-exchanger rig 4 by pipeline 37; Described temperature control base 28 all is connected with controller with heating bar 30.
As shown in Figure 3, described heat-exchanger rig 4 comprises water pump 3 42, heat exchange bucket 32 and heat exchange bung 41, and heat exchange bung 41 is located at the top of heat exchange bucket 32 and is connected with heat exchange bucket 32, so that heat exchange bucket 32 forms sealed space; As shown in Figure 4, the bottom of described heat exchange bucket 32 is provided with charging aperture 59, water inlet 57 and delivery port 58, its barrel wall is provided with discharging opening, charging aperture is connected with head tank 1 by pipeline, discharging opening is connected with a port of water pump 3 42 by pipeline 39, and the another port of water pump 3 42 is connected with ultrasonic processing apparatus 6 by pipeline 5;
Be provided with coil pipe 33 in the described heat exchange bucket 32, one end of coil pipe 33 extends to water inlet 57 places of heat exchange bucket 32 and is connected with the delivery port 60 of thermotank 29 by pipeline, its other end is connected with straight tube 34, described straight tube 34 extends to delivery port 58 places of heat exchange bucket 32, and is connected with the backflow import 61 of thermotank 29 by pipeline 37.
The top of described heat exchange bung 41 is connected with the blast pipe 40 that is communicated with heat exchange bucket 32, and its below is provided with water level switch 31; The top of heating bung 26 is connected with the blast pipe 25 that is communicated with thermotank 29, and its below is provided with water level switch 27.Each water level switch all is connected with controller.
Also be provided with two sample taps 44 on the described ultrasonic bucket sidewall, described sample tap 44 is communicated with ultrasonic jar 48;
Each supersonic generator is respectively the supersonic generator of 20KHz and 25KHz different frequency, and the ultrasonic probe 46 that the supersonic generator of 20KHz is corresponding with the supersonic generator of 25KHz is dislocated and distributed on the madial wall all around of ultrasonic jar 48, as shown in Figure 6.The number of ultrasonic probe 46 is at least two ten.
As shown in Figure 2, described head tank 1 is two, is equipped with discharging opening on each head tank 1, and described discharging opening is connected with discharge pipe 23,24 respectively, and the other end of discharge pipe 23,24 all is connected with water pump 1, and the outlet 21 of water pump 1 is connected with heat-exchanger rig 4 by pipeline 2;
As shown in Figure 5, described device for storing liquid 9 comprises fluid reservoir 51 and liquid storage cover 53, and liquid storage cover 53 is located at the top of fluid reservoir 51 and is connected with fluid reservoir 51, so that fluid reservoir 51 forms sealed space; The below of liquid storage cover 53 is provided with water level switch 52, and the top is provided with blast pipe 54, and blast pipe 54 is communicated with fluid reservoir 51, and the tank skin of fluid reservoir 51 is provided with charging aperture, and charging aperture is connected with ultrasonic processing apparatus 6 by pipeline 8.
The pipeline 2 that described head tank 1 is connected with heat-exchanger rig 4 is provided with control valve 17 and flowmeter 18, the pipeline 5 that heat-exchanger rig 4 is connected with ultrasonic processing apparatus 6 is provided with control valve 14,16 and flowmeter 15, the pipeline that ultrasonic processing apparatus 6 is connected with device for storing liquid 9 is provided with control valve 11 and flowmeter 10, and control valve 11 all is connected with controller with flowmeter 10.
Ultrasonic continuous sterilizing method by the said apparatus realization: promptly feed liquid is earlier after heat-exchanger rig 4 is heated, handle by ultrasonic sterilization through ultrasonic processing apparatus 6 again, feed liquid the process of heating of heat-exchanger rig 4 and in ultrasonic processing apparatus 6 the ultrasonic sterilization process be dynamically continuously and realize, specifically comprise the steps:
(1) water pump 1 is delivered to the feed pump in the head tank 1 in the heat-exchanger rig 4;
(2) feed liquid is flowed to the discharging opening of its top along coil pipe 33 by the charging aperture of heat-exchanger rig 4 bottoms, feed liquid is when flowing, heater 3 carries out dynamic heat exchange to heat-exchanger rig 4 input hot water to it, reaches certain drop temperature when feed liquid is flowed out by the discharging opening of heat-exchanger rig 4;
(3) water pump 3 42 is pumped to the discharging opening of feed liquid from heat-exchanger rig 4 ultrasonic jar 48, and feed liquid is flowed to the discharging opening of its top by the charging aperture of ultrasonic jar of 48 bottoms; Feed liquid is when flowing, and controller control supersonic generator, ultrasonic transducer 45 and the ultrasonic probe 46 interaction generation ultrasonic waves that are positioned at ultrasonic jar of 48 sidewalls make ultrasonic wave carry out the dynamic ultrasound sterilization to feed liquid;
(4) feed liquid after the sterilization by water pump 4 49 with its from ultrasonic jars 48 discharging opening be pumped to the device for storing liquid and store, finish processing.
In the described step (2), heater 3 is as follows to the concrete steps of heat-exchanger rig 4 input hot water:
(2-1) controller starts the heating bar 30 in the heater 3, and heating bar 30 heats water to uniform temperature;
(2-2) controller control temperature control base 28 remains on uniform temperature with hot water; Water pump 2 35 is pumped to the delivery port of hot water from thermotank 29 bottoms in the heat exchange bucket 32;
After (2-3) hot water keeps certain hour in heat exchange bucket 32, Open valve, water flows out from the delivery port of heat exchange bucket 32, and is back in the thermotank 29 along the backflow import of thermotank 29 bottoms;
(2-4) circulation execution in step (2-1)～(2-3) makes water circulation heating;
In the described step (3), feed liquid is when ultrasonic sterilization, sample tap 44 from ultrasonic bucket sidewall extracts the detection bactericidal effect, if bactericidal effect is undesirable, then water pump 4 49 is extracted feed liquid out from ultrasonic jar 48 discharging opening, be back to the charging aperture of ultrasonic jar of 48 bottoms again through pipeline, thereby enter ultrasonic jar 48 sterilization that refluxes again; If the bactericidal effect that detects meets the requirements, then execution in step (4);
The flow of feed liquid between head tank 1, heater 3, heat-exchanger rig 4, ultrasonic processing apparatus 6 and device for storing liquid is 80L/h;
In the described step (2), heater 3 is 90 ℃ to the temperature of the hot water of heat-exchanger rig 4 inputs;
In the described step (2), the feeding temperature that feed liquid flows in the heat-exchanger rig 4 is 15 ℃, and feed liquid is 55 ℃ by the drop temperature that discharging opening flows out; The heat-exchange time of feed liquid in heat-exchanger rig 4 is 15min;
In the described step (3), the dynamic ultrasound sterilizing time of feed liquid in ultrasonic jar 48 is 15min;
In the described step (3), each supersonic generator adopts the different frequency of 20KHz and 25KHz respectively, and in the supersonic generator of the 20KHz ultrasonic probe 46 corresponding with the supersonic generator of 25KHz be dislocated and distributed on around the Vltrasonic device.
In the described step (2-2), the temperature of hot water in thermotank remains on 90 ℃; In the described step (2-3), the time that hot water keeps in the heat exchange bucket is 15min.
This ultrasonic continuous sterilization device is by controller, and its whole ultrasonic processing procedure is controlled operation automatically by controller.Feed liquid carries feed liquid to carry out ultrasonic processing to ultrasonic bucket by controller after the heat exchange bucket reaches 55 ℃ by heat exchange then, finishes the whole process of its sterilizing.
The principle of present embodiment is: the heating bar 30 in the thermotank 29 is heated to uniform temperature (can be adjusted by temperature control base 28) with the water in the thermotank 29, hot water is under the effect of water pump 2 35, through delivery port and be delivered to the water inlet of heat exchange bucket 32 along pipeline, thereby be pumped in the coil pipe 33, hot water flows to the top of coil pipe 33 along coil pipe 33, flow down from the straight tube 34 that is communicated with coil pipe 33 tops again, flow back to thermotank 29 along straight tube 34 through the delivery port of heat exchange bucket 32, heat water to by thermotank 29 again and need temperature, so circulation, thus keep the water temperature in the heat exchange bucket 32 and realize that its circulation works continuously; Simultaneously, the feed liquid of Juice is pumped in the heat exchange bucket 32 by water pump one in the head tank 1, feed liquid flows along coil pipe 33 lateral walls, under the hot water effect in coil pipe 33, the temperature of feed liquid is increased to temperature required, behind certain hour, feed liquid reaches 55 ℃ at heat exchange bucket 32 by heat exchange, carries feed liquid to carry out ultrasonic to ultrasonic bucket then.Water pump 3 42 extracts feed liquid from discharging opening, feed liquid flows in the ultrasonic bucket along pipeline, because the cavitation effect of ultrasonic generation and the HTHP of moment can produce tremendous influence to cells of microorganisms structure, metabolism, thereby cause the death of microorganism, to reach sterilization effects; Behind certain hour, water pump 4 49 feed liquid of sterilization is extracted out from discharging opening, and is delivered to storage in the device for storing liquid 9.In carrying out ultrasonic processing procedure, can be by the keep forging ahead sample check of each sample tap 44; When sampling is defective, can reflux operation be carried out in its extraction by water pump 4 49, make underproof feed liquid flow into charging aperture along pipeline 19 again through water pump 4 49 along pipeline 7, handle again thereby enter ultrasonic jar 48, to reach optimum efficiency.The present invention adopts the technology of heating and combination of ultrasound, and effectively sterilization can be preserved the nutritional labeling in the Juice again to a greater extent.
Present embodiment except that following characteristics other features with embodiment 1: the flow of feed liquid between head tank, heater, heat-exchanger rig, ultrasonic processing apparatus and device for storing liquid is 60L/h;
In the described step (2), heater is 80 ℃ to the temperature of the hot water of heat-exchanger rig 4 inputs;
In the described step (2), the feeding temperature that feed liquid flows in the heat-exchanger rig is 10 ℃, and feed liquid is 50 ℃ by the drop temperature that discharging opening flows out; The heat-exchange time of feed liquid in heat-exchanger rig is 10min;
In the described step (3), the dynamic ultrasound sterilizing time of feed liquid in ultrasonic jar is 10min.
In the described step (2-2), the temperature of hot water in thermotank remains on 80 ℃; In the described step (2-3), the time that hot water keeps in the heat exchange bucket is 10min.
The number of ultrasonic probe is ten; Three of the numbers of sample tap.
Embodiment 3
Present embodiment except that following characteristics other features with embodiment 1: the flow of feed liquid between head tank, heater, heat-exchanger rig, ultrasonic processing apparatus and device for storing liquid is 120L/h;
In the described step (2), heater is 95 ℃ to the temperature of the hot water of heat-exchanger rig 4 inputs;
In the described step (2), the feeding temperature that feed liquid flows in the heat-exchanger rig is 20 ℃, and feed liquid is 60 ℃ by the drop temperature that discharging opening flows out; The heat-exchange time of feed liquid in heat-exchanger rig is 20min;
In the described step (3), the dynamic ultrasound sterilizing time of feed liquid in ultrasonic jar is 20min.
In the described step (2-2), the temperature of hot water in thermotank remains on 95 ℃; In the described step (2-3), the time that hot water keeps in the heat exchange bucket is 20min.
The number of ultrasonic probe is 30; Five of the numbers of sample tap.
The various embodiments described above are preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. ultrasonic continuous sterilization device, it is characterized in that: comprise head tank, heater, heat-exchanger rig, ultrasonic processing apparatus, device for storing liquid and controller, described heater is connected with heat-exchanger rig, described head tank, heat-exchanger rig, ultrasonic processing apparatus and device for storing liquid are connected by pipeline successively, and described controller connects the control valve on heater, heat-exchanger rig, ultrasonic processing apparatus and each pipeline respectively; Described ultrasonic processing apparatus comprises the ultrasonic transducer and the supersonic generator of ultrasonic bucket, several ultrasonic probes and corresponding setting with ultrasonic probe, each supersonic generator adopts different frequencies and all is arranged in the controller, on each ultrasonic probe was dislocated and distributed on around the ultrasonic bucket accordingly, described ultrasonic transducer was connected with supersonic generator by the signal guidance line.
2. ultrasonic continuous sterilization device according to claim 1 is characterized in that: described ultrasonic processing apparatus also comprises water pump four and ultrasonic bung, and ultrasonic bung is located at the top of ultrasonic bucket and is connected with ultrasonic bucket, so that ultrasonic barrel-shaped one-tenth sealed space; Described ultrasonic bucket is a double-decker, internal layer is isolated mutually with outer, and internal layer is the ultrasonic jar that is used for the splendid attire material liquid, and described ultrasonic probe is fixed on the internal layer madial wall, ultrasonic transducer is fixed between the ectonexine, and the corresponding setting with ultrasonic probe of ultrasonic transducer;
Described ultrasonic jar bottom is provided with charging aperture, and described charging aperture is connected with heat-exchanger rig by pipeline; Described ultrasonic jar top is provided with discharging opening, and discharging opening is connected with a port of water pump four by pipeline, and the another port of water pump four connects ultrasonic jar charging aperture and device for storing liquid respectively by pipeline;
The top of described ultrasonic bung is connected with the blast pipe that is communicated with ultrasonic bucket, and its below is provided with water level switch;
Also be equipped with magnetic valve on described water pump four and ultrasonic jar charging aperture and the pipeline that device for storing liquid is connected;
Described magnetic valve is connected with controller.
3. ultrasonic continuous sterilization device according to claim 2 is characterized in that: described heater comprises water pump two, thermotank and heating bung, and thermotank is covered on the top of thermotank and is connected with thermotank, so that thermotank forms sealed space; Bottom in the thermotank is provided with heating bar, and the bucket wall of thermotank is provided with temperature control base; The bottom of thermotank is provided with delivery port and backflow import, and a port of water pump two is connected with delivery port by pipeline, and the another port is connected with heat-exchanger rig by pipeline; Described backflow import is connected with heat-exchanger rig by pipeline; Described temperature control base all is connected with controller with heating bar.
4. ultrasonic continuous sterilization device according to claim 3 is characterized in that: described heat-exchanger rig comprises water pump three, heat exchange bucket and heat exchange bung, and the heat exchange bung is located at the top of heat exchange bucket and is connected with the heat exchange bucket, so that the barrel-shaped one-tenth sealed space of heat exchange; The bottom of described heat exchange bucket is provided with charging aperture, water inlet and delivery port, its barrel wall is provided with discharging opening, charging aperture is connected with head tank by pipeline, and discharging opening is connected with a port of water pump three by pipeline, and the another port of water pump three is connected with the charging aperture of ultrasonic processing apparatus by pipeline;
Be provided with coil pipe in the described heat exchange bucket, one end of coil pipe extends to the water inlet of heat exchange bucket and is connected with the delivery port of thermotank by pipeline, its other end is connected with straight tube, and described straight tube extends to the delivery port place of heat exchange bucket, and is connected with the backflow import of thermotank by pipeline.
5. ultrasonic continuous sterilization device according to claim 4 is characterized in that: also be provided with several sample taps on the described ultrasonic bucket sidewall, described sample tap is communicated with ultrasonic jar;
The top of described heat exchange bung is connected with the blast pipe that is communicated with the heat exchange bucket, and its below is provided with water level switch; The top of heating bung is connected with the blast pipe that is communicated with thermotank, and its below is provided with water level switch; Each water level switch all is connected with controller;
Each supersonic generator is respectively the supersonic generator of 20KHz and 25KHz different frequency, and the supersonic generator of the 20KHz ultrasonic probe corresponding with the supersonic generator of 25KHz is dislocated and distributed on the madial wall all around of ultrasonic jar.
6. ultrasonic continuous sterilization device according to claim 1, it is characterized in that: described head tank is several, be equipped with discharging opening on each head tank, described discharging opening all is connected with discharge pipe, and the other end of discharge pipe all is connected with water pump one, and the outlet of water pump one is connected with heat-exchanger rig by pipeline;
Described device for storing liquid comprises fluid reservoir and liquid storage cover, and fluid reservoir is covered on the top of fluid reservoir and is connected with fluid reservoir, so that fluid reservoir forms sealed space; The below of liquid storage cover is provided with water level switch, and the top is provided with blast pipe, and blast pipe is communicated with fluid reservoir, and the tank skin of fluid reservoir is provided with charging aperture, and charging aperture is connected with ultrasonic processing apparatus by pipeline.
7. according to each described ultrasonic continuous sterilization device of claim 1～6, it is characterized in that: described device also comprises support one, support two and support three, described head tank is fixed on the support one, heater and heat-exchanger rig all are fixed on the support two, and ultrasonic processing apparatus and device for storing liquid all are fixed on the support three;
Be provided with control valve and flowmeter respectively on described head tank and the pipeline that heat-exchanger rig is connected, on heat-exchanger rig and the pipeline that ultrasonic processing apparatus is connected and on ultrasonic processing apparatus and the pipeline that device for storing liquid is connected, control valve all is connected with controller with flowmeter.
8. the ultrasonic continuous sterilizing method that realizes by each described device of claim 1～7, it is characterized in that: feed liquid is earlier after heat-exchanger rig is heated, handle by ultrasonic sterilization through ultrasonic processing apparatus again, feed liquid the process of heating of heat-exchanger rig and in ultrasonic processing apparatus the ultrasonic sterilization process be dynamically continuously and realize, specifically comprise the steps:
(1) water pump one is delivered to the feed pump in the Raw material pail in the heat-exchanger rig;
(2) feed liquid is flowed to the discharging opening of its top along coil pipe by the charging aperture of heat-exchanger rig bottom, feed liquid is when flowing, heater carries out dynamic heat exchange to heat-exchanger rig input hot water to it, reaches certain drop temperature when feed liquid is flowed out by the discharging opening of heat-exchanger rig;
(3) water pump three is pumped to the discharging opening of feed liquid from heat-exchanger rig ultrasonic jar, and feed liquid is flowed to the discharging opening of its top by the charging aperture of ultrasonic pot bottom; Feed liquid is when flowing, and controller control supersonic generator, ultrasonic transducer and the ultrasonic probe interaction generation ultrasonic wave that is positioned at ultrasonic pot sidewall make ultrasonic wave carry out the dynamic ultrasound sterilization to feed liquid;
(4) feed liquid after the sterilization is pumped to it device for storing liquid from ultrasonic jar discharging opening by water pump four and stores, and finishes processing.
9. ultrasonic continuous sterilizing method according to claim 8 is characterized in that: in the described step (2), heater is as follows to the concrete steps of heat-exchanger rig input hot water:
(2-1) controller starts the heating bar in the heater, and heating bar heats water to uniform temperature;
(2-2) controller control temperature control base remains on uniform temperature with hot water; Water pump two is pumped to the delivery port of hot water from the thermotank bottom in the heat exchange bucket;
After (2-3) hot water keeps certain hour in the heat exchange bucket, Open valve, water flows out from the delivery port of heat exchange bucket, and is back in the thermotank along the backflow import of thermotank bottom;
(2-4) circulation execution in step (2-1)～(2-3) makes water circulation heating;
In the described step (3), feed liquid is when ultrasonic sterilization, sample tap from ultrasonic bucket sidewall extracts the detection bactericidal effect, if bactericidal effect is undesirable, then water pump four is extracted feed liquid out from ultrasonic jar discharging opening, be back to the charging aperture of ultrasonic pot bottom again through pipeline, thereby enter the ultrasonic jar of sterilization that refluxes again; If the bactericidal effect that detects meets the requirements, then execution in step (4);
Water pump one, water pump two, water pump three, water pump four, temperature control base, heating bar and the valve that respectively is used for control piper are by controller control operation.
10. ultrasonic continuous sterilizing method according to claim 8 is characterized in that: the flow of feed liquid between head tank, heater, heat-exchanger rig, ultrasonic processing apparatus and device for storing liquid is 60～120L/h;
In the described step (2), heater is 80～95 ℃ to the temperature of the hot water of heat-exchanger rig input;
In the described step (2), the feeding temperature that feed liquid flows in the heat-exchanger rig is 10～20 ℃, and feed liquid is 50～60 ℃ by the drop temperature that discharging opening flows out; The heat-exchange time of feed liquid in heat-exchanger rig is 10～20min;
In the described step (3), the dynamic ultrasound sterilizing time of feed liquid in ultrasonic jar is 10～20min;
In the described step (3), each supersonic generator adopts the different frequency of 20KHz and 25KHz respectively, and in the supersonic generator of the 20KHz ultrasonic probe corresponding with the supersonic generator of 25KHz be dislocated and distributed on around the Vltrasonic device.
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| CN103316435A (en) * | 2013-07-01 | 2013-09-25 | 纪建平 | Sterilization method |
| CN103609686A (en) * | 2013-11-15 | 2014-03-05 | 内蒙古蒙牛乳业（集团）股份有限公司 | Normal-temperature fermented milk and preparation method thereof |
| WO2016026254A1 (en) * | 2014-08-18 | 2016-02-25 | 苏州国福环保科技有限公司 | Ultrasonic enzyme deactivation device, and system and method for enzyme deactivation and sterilization |
| CN108308262A (en) * | 2018-04-28 | 2018-07-24 | 湖南省农产品加工研究所 | A kind of method for disinfection and sterilizing unit of citrus can |
| CN108740684A (en) * | 2018-04-27 | 2018-11-06 | 浙江大学 | Press the compound inactivation brood cell's method and apparatus of thermoacoustic |
| CN109924253A (en) * | 2019-04-08 | 2019-06-25 | 浙江大学 | A kind of compound continuous sterilization device of ultrasound-heat and method for disinfection for sterilization of milk |
| CN111662799A (en) * | 2020-06-22 | 2020-09-15 | 天津科技大学 | Direct contact heating type beer sterilization device and method |
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| CN112500974A (en) * | 2020-12-22 | 2021-03-16 | 江苏米歌酒庄有限公司 | Yellow rice wine sterilizing device |
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| CN103316435A (en) * | 2013-07-01 | 2013-09-25 | 纪建平 | Sterilization method |
| CN103609686A (en) * | 2013-11-15 | 2014-03-05 | 内蒙古蒙牛乳业（集团）股份有限公司 | Normal-temperature fermented milk and preparation method thereof |
| CN103609686B (en) * | 2013-11-15 | 2015-01-07 | 内蒙古蒙牛乳业（集团）股份有限公司 | Normal-temperature fermented milk and preparation method thereof |
| WO2016026254A1 (en) * | 2014-08-18 | 2016-02-25 | 苏州国福环保科技有限公司 | Ultrasonic enzyme deactivation device, and system and method for enzyme deactivation and sterilization |
| CN108740684A (en) * | 2018-04-27 | 2018-11-06 | 浙江大学 | Press the compound inactivation brood cell's method and apparatus of thermoacoustic |
| CN108740684B (en) * | 2018-04-27 | 2022-04-05 | 浙江大学 | Pressure-heat sound composite inactivation spore method and equipment |
| CN108308262B (en) * | 2018-04-28 | 2021-07-09 | 湖南省农产品加工研究所 | Sterilization method and sterilization device for canned citrus |
| CN108308262A (en) * | 2018-04-28 | 2018-07-24 | 湖南省农产品加工研究所 | A kind of method for disinfection and sterilizing unit of citrus can |
| CN109924253A (en) * | 2019-04-08 | 2019-06-25 | 浙江大学 | A kind of compound continuous sterilization device of ultrasound-heat and method for disinfection for sterilization of milk |
| CN109924253B (en) * | 2019-04-08 | 2023-06-27 | 浙江大学 | Ultrasonic-thermal composite continuous sterilization device and sterilization method for milk sterilization |
| CN111728026A (en) * | 2020-06-22 | 2020-10-02 | 天津科技大学 | Ultrasonic double-set coil pipe milk sterilization system |
| CN111662799A (en) * | 2020-06-22 | 2020-09-15 | 天津科技大学 | Direct contact heating type beer sterilization device and method |
| CN112500974A (en) * | 2020-12-22 | 2021-03-16 | 江苏米歌酒庄有限公司 | Yellow rice wine sterilizing device |
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