CN101305832A - Improved mutual connection method at an aseptic condition in ultra high temperature sterilization and aseptic storage - Google Patents
Improved mutual connection method at an aseptic condition in ultra high temperature sterilization and aseptic storage Download PDFInfo
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- CN101305832A CN101305832A CNA2007100399153A CN200710039915A CN101305832A CN 101305832 A CN101305832 A CN 101305832A CN A2007100399153 A CNA2007100399153 A CN A2007100399153A CN 200710039915 A CN200710039915 A CN 200710039915A CN 101305832 A CN101305832 A CN 101305832A
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Abstract
The invention discloses an improved method for mutually engaging one of ultra-high temperature sterilization and sterile storage under sterile condition. The improved method is mainly used for the production process of fluidic foods, and is achieved by the following scheme: (A) five segments of steam expanding and closure mufflers are designed and manufactured to effectively reduce the operation noise and the steam loss; (B) different steam sealing manners can be formed in the positions of small circulating valve groups when the ultra-high temperature sterilization fails or under the normal production condition to automatically achieve constant-temperature control at sterilization temperature and keep the sterile state, so that the different steam sealing manners are achieved under different conditions to ensure the sterile environment of the equipment; (C) the medium flow rate and the pressure are subjected to balance control under sterile conditions at different temperatures in the system equipment when the system equipment is pre-disinfected (SIP); and (D) the materials in the equipment are ensured in the sterile condition even if the accidents such as leakage of the equipment occur when a booster pump is added in a heat exchanger to make the pressure of the sterile segment larger than that of a non-sterile segment of the equipment.
Description
Technical field
The present invention relates to a kind of processing method of fluid food, particularly sterilized water is made or during aseptic material production, in UHTS and aseptic storage, and a kind of method that under germ-free condition, is connected mutually.
Background technology
At present, in order to produce qualified fluid food (being sterilized water or aseptic material), mainly use UHTS and aseptic storing technology on the market, but at present in this technology the most general way also have the following defective:
(1) when steam seals, adopt condensed water+steam trap to seal or steam+steam trap directly discharges dual mode, this dual mode not only the discharge of steam amount too much and also the equipment running noises also big.
(2) the equipment partial circulating valve group form difference that separately increases and increase, so the steam sealing mode increases simultaneously and adopts different sealing modes, therefore not only the energy consumption waste is big and manufacturing cost system equipment is also higher.
(3) when system equipment carries out pre-sterilizing sterilization (SIP), equipment moves under band press strip spare, there are a plurality of processes such as intensification, constant temperature, cooling, because process is connected variation of temperature, the flow and the pressure that cause the system equipment interior media simultaneously all can change, in order to guarantee the smooth linking of temperature changing process, requirement is under the condition of different temperatures, the flow of medium in the system equipment and pressure are carried out balance control, and common way is: (a) replenish compressed air but additional compressed air and non-sterile toward the equipment pressure balance barrel.(b) the additional compressed air of the She Zhiing drain valve that only dams, under the condition of different temperatures, system equipment interior media flow and pressure can not be accomplished balance control, so be difficult to guarantee the stable and inner germ-free condition of system equipment.
(4) there is not the two-stage supercharging pump before inner aseptic section of the heat exchanger in general UHTS equipment, so the inner aseptic section pressure of heat exchanger has been less than bacterium section pressure often, in case there is leakage system equipment inside, just can not guarantee the germ-free condition of the sterilized water (or aseptic material) behind UHTS.
Summary of the invention
For solving under the above-mentioned germ-free condition in UHTS and aseptic storage the technological deficiency that is connected mutually, purpose of the present invention has been developed improving one's methods of being connected mutually under a kind of germ-free condition in UHTS and aseptic storage of Nover practical at this point.For overcoming the operation shortcoming of original technology on the market, guarantee behind UHTS and aseptic storage in the germ-free condition of sterilized water (or aseptic material).Improved procedure of the present invention mainly comprises following several measures and attendant advantages:
1, manufactured and designed a kind of five joint steam dilatations silencer that dams, the noise when having effectively reduced the equipment operation greatly reduces the loss of steam simultaneously;
2, under UHTS failure or normal production conditions, partial circulating valve group place can form different steam sealing modes, automatically the thermostatic control of reaching sterilization temperature, to keep germ-free condition, control flexibly, automatically according to running situation, realize the most rational steam sealing mode under the different situations, effectively guarantee the apparatus sterile environment;
3, when system equipment carries out pre-sterilizing sterilization (SIP), under the aseptic condition of the inner different temperatures of system equipment, rate-of flow and pressure are realized balance control, guarantee the smooth transition that the equipment pre-sterilizing is sterilized finishing smoothly of (SIP) and entered the ordinary production state to equipment from pre-sterilizing sterilization (SIP);
4, make apparatus sterile section pressure greater than bacterium section pressure is arranged at the inner booster pump that increases of the heat exchanger of ultra high temperature sterilization system equipment, though under fortuitous event such as equipment leakage occurring the germ-free condition of material in the assurance equipment.
The present invention has adopted the health level machinery and the material of the universal standard on the market, through technological design and assembling to system equipment, form the system equipment that sterilized water (or aseptic material) is made and stored, in production application, brought into play following advantage and economic benefit:
1, effectively reduces the operation noise of equipment by the increase of muffler, save the steam energy consumption simultaneously, largely reduce operating cost.
2, improve the equipment operational flexibility, guarantee the safety of running material simultaneously.
3, effectively improve operation stability of equipment, increased device operability and equipment effective time.
4,, under the complete function prerequisite, reduce the equipment investment of manufacturing enterprise by rational technological design and equipment configuration.
5, system equipment is moulded attractive in appearance, and is stable, and guarantees the product quality qualification rate, can prolong the shelf life of commodity and assurance consumer's edible safety.
Description of drawings
Accompanying drawing 1 is the dam structural representation of silencer of a kind of five joint steam dilatations among the present invention-embodiment.
The number in the figure explanation:
The 1-reducing is taken over; 2-φ 48 perforate thin slices 1; 3-φ 36 perforate thin slices 1;
4-φ 36 perforate thin slices 2; 5-φ 36 perforate thin slices 3; 6-φ 36 perforate thin slices 4;
7-φ 36 perforate thin slices 5; 8-φ 25 floss holes; 9-φ 51 outer tubes;
10-φ 38 tube connectors; 11-inner and outer pipes support chip.
Accompanying drawing 2 is sterilized water (or aseptic material) the manufacturing system process chart among the present invention-embodiment.
Accompanying drawing 3 is the aseptic stocking system process chart of sterilized water (or aseptic material) among the present invention-embodiment.
The specific embodiment
1, measure A makes by method shown in the accompanying drawing one, and is simple in structure, but quite practical.Concrete making step is as follows: a. processes the 304 material stainless steel thin slices of 5 φ 36 * 2 earlier, and by the diagram requirement, on each thin slice, get the hole of varying number φ 6, use the 304 material stainless steel tubes of φ 38 * 50 to seal connection again, and then externally put the 304 material stainless steel tubes of φ 51, so just can realize having separated of steam and condensed water.B. the condensate drain outlet that connects a φ 25 at φ 51 sleeve bottoms again, connect steam trap discharging condensed water, steam is by five joint dilatation storehouses like this, not only reduced throughput, saved energy consumption, under the condition that reaches the steam sealing temperature, can also reduce the ambient noise of steam when discharging simultaneously.
2, measure B realizes in the following manner: a. UHTS equipment is under normal production conditions, ((annotate: QJV represents pneumatic angle pedestal valve to QJV103 to the valve body of partial circulating valve group, 103 are the valve numbering, the back with), QJV106, SV116 (annotate: SV represent Pneumatic butterfly valve, and 116 are the valve numbering, after together)) open, valve body (SV117, SV118) is then closed, form a kind of steam sealing mode, the thermostatic control of reaching sterilization temperature automatically is to keep germ-free condition.When b. UHTS equipment forms partial circulating in sterilization failure back, then the valve body of partial circulating valve group (QJV103, SV117, SV118) is opened, valve body (QJV106, SV116) is then closed, can form another kind of steam sealing mode so again, also utilize thermostatic control mode simultaneously with a kind of automatic arrival steam sealing temperature; Can reach two kinds of different purposes so adopt the same method, not only save energy consumption but also can reduce the manufacturing cost of system equipment.
3, measure C realizes in the following manner: when system equipment carries out pre-sterilizing sterilization (SIP), equipment moves under band press strip spare, exist and heat up, constant temperature, a plurality of processes such as cooling, because process is connected variation of temperature, the flow and the pressure that cause the system equipment interior media simultaneously all can change, in order to guarantee the smooth linking of temperature changing process, requirement is under the condition of different temperatures, flow and pressure to medium in the system equipment carry out balance control, main way is: (1) is provided with a compressed air sterilizing filter, and purpose is that the compressed air that requirement replenishes is aseptic.(2) set the convenient pressure that replenishes aseptic compressed air, purpose keeps a constant compression force when being the additional aseptic compressed air of requirement and intensification or cooling.(3) aseptic compressed air the dam transfer valve and the drain valve that dams are set, the flow of input is wanted suitably greater than the flow that discharges, purpose is that the aseptic compressed air that requirement replenishes prolongs the regular hour when input and discharging, make the flow and the pressure of system equipment interior media change all corresponding delaying, win time enough, can control the germ-free condition of guaranteeing system equipment inside by Steam Heating.
4, measure D realizes in the following manner: set up a two-stage supercharging pump (lift is 24m or 25m standard) before aseptic section in heat exchanger inside, purpose is to require the inner aseptic section pressure of heat exchanger in ultra high temperature sterilization equipment to be greater than bacterium section pressure, guarantees the germ-free condition of the sterilized water (or aseptic material) behind UHTS.
Sterilized water among the present invention-embodiment (or aseptic material) manufacturing system operation principle is: after filtration, the water after softening the processing by native system through pre-heating temperature elevation until 142 ℃ and be incubated 60S, with reach kill in the water the bacterium that might exist, make material reach thorough germ-free condition.For the germ-free condition of assurance material in the production phase, before producing, formal charging to sterilize in advance to system (SIP), to guarantee the aseptic of equipment itself, stop pollution to material.Every pipeline that contacts with material after the material sterilization and equipment all will reach aseptic requirement in advance.The sterilized water manufacturing system is exactly the combination by a series of equipment and pipeline, utilizes measures such as steam, compressed air, electrical control to reach the requirement of making aseptic material.
The aseptic stocking system operation principle of sterilized water among the present invention-embodiment (or aseptic material) is: the sterilized water manufacturing system is one to interlock the reforwarding row and produce the relatively-stationary equipment of flow, with the final filling apparatus of sterilized water can't be in full accord on production capacity, this just requires a cover intermediate storage system to come the difference of production capacity between balance two complete equipments, and aseptic stocking system is exactly therefore to set up.Same in order to guarantee that stored sterilized water is not polluted by extraneous contactant; aseptic stocking system must possess the function of self sterilization and isolated outside contamination; native system is exactly with this end in view, by moise-heat sterilization, seal and means such as filtrated air protection are guaranteed the safety of stored material.
The present invention be directed to fluid food (is dairy products, beverages etc.) manufacturing enterprise's pre-treatment system of processing equipment of cold-aseptic filling is developed, if the fluid food of being produced in actual use by the system equipment of the method manufacturing in past (is dairy products, beverage etc.), can only reach relative commercially aseptic state, and adopt of the present invention improving one's methods, then can reach absolute commercially aseptic state, the shelf life of commodity prolongs relatively, guaranteed consumer's edible safety, can also reduce fluid food (is dairy products, beverage etc.) operating cost of the manufacturing enterprise of cold-aseptic filling.
Claims (4)
1, the present invention relates to a kind of during about sterilized water (or aseptic material) production and processing, in UHTS and aseptic storage, a kind of improving one's methods of under germ-free condition, being connected mutually.Its main feature of improving one's methods is: manufactured and designed a kind of five joint steam dilatations silencer that dams, the noise when having effectively reduced the equipment operation greatly reduces the loss of steam simultaneously.
2, improve one's methods under UHTS failure or normal production conditions by claim 1 is described, partial circulating valve group place can form different steam sealing modes, automatically the thermostatic control of reaching sterilization temperature, to keep germ-free condition, control flexibly, automatically according to running situation, realize the most rational steam sealing mode under the different situations, effectively guarantee the apparatus sterile environment.
3, improve one's methods when system equipment carries out pre-sterilizing sterilization (SIP) by claim 1 is described, under the aseptic condition of the inner different temperatures of system equipment, rate-of flow and pressure are realized balance control, guarantee the smooth transition that the equipment pre-sterilizing is sterilized finishing smoothly of (SIP) and entered the ordinary production state to equipment from pre-sterilizing sterilization (SIP).
4, make apparatus sterile section pressure greater than bacterium section pressure is arranged by described the improving one's methods of claim 1 at the inner booster pump that increases of the heat exchanger of ultra high temperature sterilization system equipment, though under fortuitous event such as equipment leakage occurring the germ-free condition of material in the assurance equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100399153A CN101305832A (en) | 2007-07-23 | 2007-07-23 | Improved mutual connection method at an aseptic condition in ultra high temperature sterilization and aseptic storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100399153A CN101305832A (en) | 2007-07-23 | 2007-07-23 | Improved mutual connection method at an aseptic condition in ultra high temperature sterilization and aseptic storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101305832A true CN101305832A (en) | 2008-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100399153A Pending CN101305832A (en) | 2007-07-23 | 2007-07-23 | Improved mutual connection method at an aseptic condition in ultra high temperature sterilization and aseptic storage |
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| Country | Link |
|---|---|
| CN (1) | CN101305832A (en) |
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- 2007-07-23 CN CNA2007100399153A patent/CN101305832A/en active Pending
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Open date: 20081119 |