CN104886253B - The dynamic acid-adjusting method of acid adding in a kind of dynamic tune acid device and tank - Google Patents
The dynamic acid-adjusting method of acid adding in a kind of dynamic tune acid device and tank Download PDFInfo
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- CN104886253B CN104886253B CN201410079453.8A CN201410079453A CN104886253B CN 104886253 B CN104886253 B CN 104886253B CN 201410079453 A CN201410079453 A CN 201410079453A CN 104886253 B CN104886253 B CN 104886253B
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- 239000002253 acid Substances 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000011265 semifinished product Substances 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 52
- 239000000047 product Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 4
- 235000020124 milk-based beverage Nutrition 0.000 description 21
- 230000002378 acidificating effect Effects 0.000 description 20
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 18
- 238000002156 mixing Methods 0.000 description 13
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 10
- 235000013336 milk Nutrition 0.000 description 9
- 239000008267 milk Substances 0.000 description 9
- 210000004080 milk Anatomy 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- 239000004310 lactic acid Substances 0.000 description 5
- 235000014655 lactic acid Nutrition 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000006071 cream Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 235000013365 dairy product Nutrition 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 235000021552 granulated sugar Nutrition 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 210000000697 sensory organ Anatomy 0.000 description 3
- 235000008924 yoghurt drink Nutrition 0.000 description 3
- 239000005018 casein Substances 0.000 description 2
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 2
- 235000021240 caseins Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000015203 fruit juice Nutrition 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 150000004965 peroxy acids Chemical class 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 235000020122 reconstituted milk Nutrition 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 238000009455 aseptic packaging Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000020247 cow milk Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000021568 protein beverage Nutrition 0.000 description 1
- 235000004252 protein component Nutrition 0.000 description 1
- 230000006920 protein precipitation Effects 0.000 description 1
- 230000001869 rapid Effects 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 210000004885 white matter Anatomy 0.000 description 1
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- Non-Alcoholic Beverages (AREA)
- Dairy Products (AREA)
Abstract
The present invention provides a kind of dynamic acid-adjusting methods of acid adding in dynamic tune acid device and tank.It includes: that material tank, the sour tank of change, semi-finished product tank and discharging pump, material tank are connected to semi-finished product tank by pipeline that the dynamic, which adjusts sour device,；Change sour tank to be connected to semi-finished product tank by pipeline, one end of pipeline extends to the inside of the semi-finished product tank using its opening as acid adding point；Semi-finished product tank bottom is equipped with discharge port, is connected with the pipeline being connected at the top of discharge port and semi-finished product tank, constitutes recyclable system；Discharging pump is arranged in the connecting pipeline between at the top of the discharge port and semi-finished product tank of semi-finished product tank bottom.The present invention also provides the dynamic acid-adjusting methods of acid adding in the tank implemented by above-mentioned dynamic tune acid device.The dynamic acid-adjusting method principle is simple, easy to use, can reduce production cost, simplifies production technology, improves working efficiency.
Description
Technical field
The present invention relates to a kind of dynamic acid-adjusting methods of acid adding in dynamic tune acid device and tank, belong to dairy products processing neck
Domain.
Background technique
Acidic milk drink can be divided into Yogurt Drink by its processing technology and adjust acid type acidic milk drink two major classes.
Yogurt Drink is after lactobacillus-fermented is added, then to be aided with sucrose, fruit juice, stabilizer using cream or dairy products as raw material
Deng and a kind of manufactured Yogurt Drink.Adjust acid type acidic milk drink to refer to without lactobacillus-fermented, with citric acid or
The pH of cow's milk is adjusted to a kind of equal sour point (pH=4.6) of casein manufactured tune acid type acidic milk drink below by fruit juice.It presses
Production acidic milk drink can be divided into cream and two kinds of production and processing technologies of reconstituted milk using the difference of raw material milk.It is with cream or reconstituted milk
Raw material milk produces acidic milk drink, either fermented type or allotment type, and main component is all cream or dairy products, according to country
Standard, in ingredient protein content it is necessary >=1.0%.Especially exchange the protein beverage of this auxotype of acid type milk beverage into
When row adjusts acid, the feed liquid after adjusting acid is not usually able to maintain uniform stable state, easily layering and precipitating.How in beverage egg is solved
The stability of white matter is numerous food product worker and manufacturer's urgent problem to be solved.
Adjust acid type acidic milk drink quality quality, in addition to had outside the Pass using the quality and formula of raw material, also determine
In used technology and production equipment and condition.There are mainly two types of acid-adjusting methods at present, are spray acid-adjusting method respectively
With online acid-adjusting method.
Spray acid-adjusting method will lead to Tiao Suan feed liquid local overacidification and acid nonfast substance caused to decline in peracid condition
Solution, denaturation.
Chinese patent application (application number 200810115633.1) discloses a kind of online method for adjusting acid, and being will be wait adjust
Sour feed liquid and acid solution pass through Venturi tube simultaneously, with a kind of acid-adjusting method of on-line mixing acid adding, used in the acid-adjusting method
Equipment as shown in Figure 1, the equipment includes material tank 1, blending tank 2, changes sour tank 3, semi-finished product tank 4, Venturi tube 5, discharging pump 7,
Its connection relationship is as shown in Figure 1.Although can be obtained preferably using this method wait adjust sour feed liquid preferably to mix effect with acid solution
Fruit, but in process of production, online to adjust the temporary in blending tank wait adjust sour feed liquid to need of acid, which adds corresponding productions
The acquisition cost of equipment, and need the plant designing of greater room.It is online to adjust acid side for preparing the every tank semi-finished product of 60T
The blending tank of the sour process requirement configuration 40T capacity of the tune of method is mixed as the temporary storage tank wait adjust sour feed liquid, the domestic of 40T capacity
Closing tank price is 300,000 yuan, and a production line worked continuously needs at least two blending tank.
Therefore, develop a kind of new acid-adjusting method, solve current the problems of acid-adjusting method, be this field urgently
One of solve the problems, such as.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of dynamic tune acid device, which adjusts sour device
Using by the way of the inside acid adding wait adjust sour feed liquid, realizing that dynamic adjusts acid, blending tank and Venturi tube are not used, is effectively reduced
It can reach efficient while cost and adjust sour effect.
The object of the invention is also to provide a kind of method of dynamic tune acid, this method principle is simple, easily operated.
In order to achieve the above object, present invention firstly provides a kind of dynamic tune acid devices comprising: material tank changes acid
Tank, semi-finished product tank and discharging pump, wherein
The material tank is connected to the semi-finished product tank by pipeline；
Describedization acid tank is connected to the semi-finished product tank by pipeline, and one end of pipeline extends to the interior of the semi-finished product tank
Portion is using its opening as acid adding point；
The semi-finished product tank bottom is equipped with discharge port, is connected with the pipeline being connected at the top of discharge port and semi-finished product tank, constitutes
Recyclable system；
The connection between at the top of the discharge port and the semi-finished product tank of the semi-finished product tank bottom is arranged in the discharging pump
On pipeline.
In dynamic tune acid device provided by the present invention, it is preferable that the acid adding point is in the bottom of the semi-finished product tank.
In dynamic tune acid device provided by the present invention, it is preferable that the acid adding point it is vertical with the discharge port away from
From for 0-1000mm；More preferably 10-20mm.
In dynamic tune acid device provided by the present invention, describedization acid tank is located at the material tank and the semi-finished product tank
Centre.
The present invention also provides the dynamic acid-adjusting methods using acid adding in the tank of above-mentioned dynamic tune acid device comprising following
Step:
Step 1: it is separately added into material tank and the sour tank of change wait adjust sour feed liquid and acid solution；
Step 2: by material tank wait adjust sour feed liquid to be introduced into semi-finished product tank by connecting pipeline；
Step 3: opening discharging pump, then will return again from the top of semi-finished product tank wait adjust sour feed liquid to extract out from discharge port
In semi-finished product tank, a circulation is formed, enters acid solution in semi-finished product tank and wait adjust sour feed liquid to mix by acid adding point, is realized dynamic
State tune acid.
In above-mentioned dynamic acid-adjusting method, acid solution is added after adjusting sour feed liquid to start the cycle over.
Specific embodiment according to the present invention, it is preferable that it is 4.2 that the pH value wait adjust sour feed liquid extracted out after acid adding, which controls,
≤ pH < 4.6.
Specific embodiment according to the present invention, it is preferable that the speed control of acid adding are as follows: 3 volumes are extracted out by discharge port
While wait adjust sour feed liquid, the acid solution of 1 volume is added by acid adding point.
To guarantee the flow velocity wait adjust the flow velocity of sour feed liquid to be greater than acid solution during specific tune acid, otherwise wait adjust in sour feed liquid
Protein component can be denaturalized because meeting acid, i.e., the pH value wait adjust sour feed liquid extracted out is for 4.2 or so (as long as not after guarantee acid adding
Close to 4.6,4.6 be casein isoelectric point, albuminous degeneration can be occurred by reaching 4.6).
Since acid adding point is arranged near the discharge port of semi-finished product tank bottom, when wait adjust sour feed liquid to can produce rapids when being extracted
Flow phenomenon, fluid force caused by turbulent phenomenon act on the acid solution flowed out from acid adding point, enable acid solution by rapid, equal
It is even, be fully scattered in wait adjust in sour feed liquid, mixed by being turned again in semi-finished product tank after recyclable system, thus real
Now dynamic adjusts acid.
It is provided by the present invention to adjust sour device and acid-adjusting method is a kind of dynamic tune acid device and method of acid adding in tank, tool
There are following advantageous effects:
1, using tune acid device of the invention and acid-adjusting method carry out adjust acid can guarantee acid solution rapidly, be homogeneously dispersed in
Wait adjust in sour feed liquid, to reach slow acidizing effect, acid solution is slowly sprayed in acid to be added feed liquid, at the same to feed liquid into
Row Rapid Circulation causes acid nonfast substance to degrade, be denaturalized under the conditions of peracid to avoid local overacidification.
2, adjust required production cost investment when acid to be greatly reduced using acid-adjusting method of the invention, do not need to match
Set the higher production equipment of the prices such as high-speed stirring apparatus or temporary storage tank.
4, reduce the processing step that related feed liquid is kept in blending tank when carrying out using acid-adjusting method of the invention and adjust acid,
Improve corresponding working efficiency.
5, the configuration of blending tank is eliminated when carrying out using the sour device of tune of the invention and acid-adjusting method and adjust acid, needed for workshop
Space also reduce therewith.
Detailed description of the invention
Fig. 1 is the schematic device of existing online acid-adjusting method；
Fig. 2 is the schematic device of the dynamic tune acid of embodiment 1.
Main Reference symbol description:
1 material tank, 2 blending tank 3 changes 5 Venturi tube of sour 4 semi-finished product tank of tank, 6 acid adding point, 7 discharging pump 8
Discharge port
Specific embodiment
In order to which technical characteristic of the invention, purpose and beneficial effect are more clearly understood, now to skill of the invention
Art scheme carries out described further below, but should not be understood as that limiting the scope of the invention.
Embodiment 1
A kind of dynamic tune acid device is present embodiments provided, structure is as shown in Fig. 2, the device includes: material tank 1, changes
Sour tank 3, semi-finished product tank 4 and discharging pump 7, wherein material tank 1 is connected to semi-finished product tank 4 by pipeline；Change sour tank 3 and semi-finished product
Tank 4 is connected to by pipeline, and one end of pipeline extends to the inside of the semi-finished product tank 4, and using its opening as acid adding point 6；Add
Acid point 6 is in the bottom of semi-finished product tank 4；Change the centre that sour tank 3 is located at material tank 1 and semi-finished product tank 4,4 bottom of semi-finished product tank is equipped with
It is connected with the pipeline being connected at the top of discharge port 8, discharge port 8 and semi-finished product tank 4, constitutes recyclable system；The setting of discharging pump 7 is half
In connecting pipeline between 4 top of discharge port 8 and semi-finished product tank of 4 bottom of finished pot.
The vertical range of acid adding point 6 and discharge port 8 is 10-20mm.
Wherein, the volume of material tank 1 is 15m3, to change the volume of sour tank 3 be 15m3, semi-finished product tank 4 volume be 60m3。
Using acid adding in the tank of above-mentioned dynamic tune acid device dynamic acid-adjusting method the following steps are included:
Firstly, being separately added into material tank 1 and the sour tank 3 of change wait adjust sour feed liquid 46t and acid solution 14t, then, by material tank 1
In wait adjust sour feed liquid to be introduced into semi-finished product tank 4 by connecting pipeline, wait adjust sour feed liquid point to be added in material tank 1 several times, with
It is no more than subject to the volume of material tank 1 every time；
Finally, open discharging pump 7, will control after acid adding wait adjust sour feed liquid to extract out from discharge port 8 wait adjust the pH value of sour feed liquid
4.2 or so, semi-finished product tank 4 then is returned from the top of semi-finished product tank 4 again, forms a circulation, acid solution is made to pass through acid adding point 6
It adjusts sour feed liquid to carry out dynamic tune acid into treating in semi-finished product tank 4 and wait adjust sour feed liquid to mix, guarantees that control 3 volumes of extraction wait for
The acid solution of 1 volume is added while adjusting sour feed liquid.
Embodiment 2
The present embodiment produces the acidic milk drink that the dynamic acid-adjusting method using embodiment 1 produces with online acid-adjusting method
Acidic milk drink compare investigation.Wherein, the composition of raw materials of the acidic milk drink of two kinds of acid-adjusting methods preparation is equal are as follows: every
100 grams of product meters, 35 grams of milk, 5 grams of white granulated sugar, 2 grams of stabilizer, 0.20 gram of citric acid, 0.20 gram of lactic acid, 0.05 gram of essence,
Add water to 100 grams.
Acidic milk drink is prepared using online acid-adjusting method specifically includes the following steps:
1, milk making: milk is cooled to after 4 DEG C and is pumped into blending tank 2；
2, steady dissolution agent: the ingredient water that suitable temperature is 30-60 DEG C is added in material tank 1, opens stirring
Stabilizer and white granulated sugar is added simultaneously, persistently stirs and check material effect, is completely dispersed solution in being visible by naked eyes
After the uniform feed liquid of grain, it is cooled to 10 DEG C；
3, it is pre-mixed: the stabilizer feed liquid of dissolution being pumped into blending tank 2, while the stirring for opening blending tank 2 makes in tank
Feed liquid and milk are sufficiently mixed uniformly, to obtain wait adjust sour feed liquid；
4, prepared by acid solution: acid (lactic acid and citric acid) and 50 times of acid quality of temperature is added in changing sour tank 3
The ingredient water that degree is 10 DEG C opens stirring in tank, sufficiently dissolution lactic acid, citric acid, obtains acid solution；
5, it adjusts acid: the feed liquid mixed in blending tank 2 being pumped into semi-finished product tank 4 by Venturi tube 5, when wait adjust sour material
When liquid passes through Venturi tube 5, the acid solution changed in sour tank 3 will be changed and be also pumped into Venturi tube 5；The flow of acid solution is adjusted simultaneously,
Make to flow out Venturi tube 5 i.e. into the pH value of feed liquid after the acid adding in semi-finished product tank 4 4.3 or so；
6, constant volume: supplying remaining ingredient water in semi-finished product tank 4, and after completing constant volume, feed liquid is uniformly mixed, and is added fragrant
Essence obtains semi-finished product；
7, semi-finished product homogeneous: are heated to 60-70 DEG C of progress homogeneous, homogenization pressure 250bar；
8, it sterilizes: being sterilized 4 seconds at 121 DEG C；
9, be cooled to 25 DEG C it is filling after to get to online acid-adjusting method preparation acidic milk drink.
Acidic milk drink is prepared using the dynamic acid-adjusting method of acid adding in tank specifically includes the following steps:
1, milk making: milk is cooled to after 4 DEG C and is pumped into semi-finished product tank 4；
2, steady dissolution agent: the ingredient water that suitable temperature is 30-60 DEG C is added in material tank 1, opens the same of stirring
When stabilizer and white granulated sugar is added, persistently stir and check material effect, be completely dispersed solution in the particle being visible by naked eyes
Uniform feed liquid after, be cooled to 10 DEG C；
3, mix: the stabilizer feed liquid of dissolution be pumped into semi-finished product tank 4, at the same open discharging pump 7 make in tank feed liquid with
Milk is sufficiently mixed uniformly in the form of self-loopa, to obtain wait adjust sour feed liquid；
4, prepared by acid solution: acid (lactic acid and citric acid) and 50 times of acid quality of temperature is added in changing sour tank 3
The ingredient water that degree is 10 DEG C opens stirring in tank, sufficiently dissolution lactic acid, citric acid, obtains acid solution；
5, it adjusts acid: in the state that discharging pump 7 is opened, acid solution being added to semi-finished product by acid adding point 6 from sour tank 3 is changed
In tank 4, while the flow of acid solution is adjusted, the feed liquid for flowing out discharging pump 7 is made to come back in semi-finished product tank 4 feed liquid after acid adding
PH value is 4.3 or so；
6, constant volume: supplying remaining ingredient water in semi-finished product tank 4, and after completing constant volume, material is uniformly mixed, essence is added
Obtain semi-finished product；
7, semi-finished product homogeneous: are heated to 60-70 DEG C of progress homogeneous, homogenization pressure 250bar；
8, it sterilizes: being sterilized 4 seconds at 121 DEG C；
9, be cooled to 25 DEG C it is filling after to get to dynamic acid-adjusting method preparation acidic milk drink.
Two parts of samples (acidic milk drink made from above two method) are stored between thermostatic accelerated experiment and are compared
Investigate detection.Storage temperature is 37 DEG C, and the comparison investigation time is that (the normal temperature condition lower shelf-life of such product was 6 in 4 months
Month, the 8-12 month for being equivalent to for 4 months and storing under normal temperature condition is stored at 37 DEG C).
Testing result is investigated in sense organ comparison
Sense organ comparison is investigated, and is mainly measured to the fat floating of two parts of samples and protein precipitation, concrete outcome is shown in
Table 1.
Fat floating measurement: taking two parts of each 100g of sample, closed, standing in colorimetric cylinder is aseptically moved into, 37
It is periodically investigated under DEG C constant temperature, the height of fat floating in colorimetric cylinder is accurately measured with graduated scale.
Albumen precipitation measurement: taking 250mL sample, slowly topple over supernatant liquid, weighs bottom precipitation amount of substance, calculates precipitating
Object accounts for the percentage composition of total sample volume.
Testing result is investigated in the sense organ comparison of 1 two parts of samples of table
It can be seen that from the testing result of table 1 raw for the dynamic acid-adjusting method using online acid-adjusting method and embodiment 1
Obtained acidic milk drink product is produced within 120 days observation periods of 37 DEG C of storage at a constant temperature, sample fat floating amount and albumen precipitation
Significant difference is not present in amount.
Testing result is investigated in physical and chemical index comparison
Physical and chemical index measurement, is 250mL aseptic packaging acidic milk drink as measuring samples using every part of sample, in 37 DEG C of constant temperature
Under the conditions of stand storage (period of storage is as shown in the detection frequency in table 2).Since sample can be sent out because the time elapses in packing
Raw fat floating and albumen precipitation phenomenon, therefore only need that periodically test sample is extracted and detected, it can find no bacterium bag
The variation for filling acidic milk drink sample physical and chemical index attenuation trend, is specifically shown in Table 2.
Testing result is investigated in the physical and chemical index comparison of 2 two parts of samples of table
What the dynamic acid-adjusting method that can be seen that online acid-adding method and embodiment 1 from the testing result of table 2 produced
Acidic milk drink product, within 120 days observation periods of 37 DEG C of storage at a constant temperature, the attenuation trend of two groups of sample physical and chemical indexes is not present
Significant difference.
These results suggest that dynamic tune acid device provided by the present invention and dynamic acid-adjusting method can be realized pair well
Adjust the tune acid of acid type acidic milk drink.
Claims (5)
1. a kind of dynamic tune acid device comprising: material tank changes sour tank, semi-finished product tank and discharging pump, in which:
The material tank is connected to the semi-finished product tank by pipeline；
Describedization acid tank be connected to the semi-finished product tank by pipeline, one end of pipeline extend to the inside of the semi-finished product tank with
It, which is open, is used as acid adding point；
The semi-finished product tank bottom is equipped with discharge port, is connected with the pipeline being connected at the top of the discharge port and semi-finished product tank, composition can
The circulatory system；The vertical range of the acid adding point and the discharge port is 0-1000mm；
The connecting pipeline between at the top of the discharge port and the semi-finished product tank of the semi-finished product tank bottom is arranged in the discharging pump
On.
2. dynamic tune acid device according to claim 1, wherein the acid adding point is in the bottom of the semi-finished product tank.
3. the dynamic acid-adjusting method of acid adding, packet in a kind of tank implemented by dynamic tune acid device of any of claims 1 or 2
Include following steps:
Step 1: it is separately added into material tank and the sour tank of change wait adjust sour feed liquid and acid solution；
Step 2: by material tank wait adjust sour feed liquid to be introduced into semi-finished product tank by connecting pipeline；
Step 3: opening discharging pump, will wait adjust sour feed liquid to extract out from discharge port, then again from the top of semi-finished product tank return half at
Product tank forms a circulation, enters acid solution in semi-finished product tank and wait adjust sour feed liquid to mix by acid adding point, realizes that dynamic is adjusted
Acid.
4. according to the method described in claim 3, wherein, it is 4.2≤pH that the pH value wait adjust sour feed liquid extracted out after acid adding, which controls,
< 4.6.
5. the method according to claim 3 or 4, wherein while waiting adjusting sour feed liquid by 3 volumes of discharge port extraction, lead to
Cross the acid solution that 1 volume is added in acid adding point.
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| CN114246212B (en) * | 2021-12-06 | 2024-07-16 | 山东国泰食品有限公司 | Dairy product beverage production line |
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