Production approach of whole milk powder

Process flow:

Uncooked milk acceptance pretreatment —-preheating sterilization—- focus —spray drying—- cooling screening powder —packaging packing —inspection completed product

 

one.      Acceptance and preprocessing strategy 1. Raw milk, raw milk must be clean, not blended with irregular breast, weight should be 1.571 ~ 1.032 (20 ºC), the acidity of not much more than twenty ° T, unwanted fat content of no much less than 3.one% and not much less than 11.5% milk solids. The quantity of mixed micro organism shall not exceed 200,000 / ml. Experienced milk ought to be filtered and purified.

2. Preheating sterilization: the purpose is to eliminate the microorganisms in the milk and ruin the enzyme exercise. Higher temperature short time sterilization technique is usually employed, or ultra-large temperature instantaneous time sterilization strategy. If use chip or tubular sterilizer, normally used in the sterilization circumstances of 80 ~ 85 ºC, thirty CZPTs, or 95 ºC, keep 24 CZPTs. If use ultra-high temperature instantaneous sterilization system, is one hundred twenty ~ 150 ºC, preserve 1 ~ 2 CZPTs.

There are a few approaches to insert sugar to milk powder :(1) add sugar when preheating sterilization(2) grind sucrose, sterilize it, mix the powder with the atomized milk powder, and then fill the pot(three) include part of the sugar when preheating sterilization, and then add the remaining sugar when cHangZhou.

In standard, the methods of (two) and (three) can be used to create the powdered milk that contains 35% sugar. But according to the national CZPT, the sucrose content in additional milk powder need to be much less than twenty%.

 

3. Focus: the uncooked milk must be vacuum concentrated quickly following sterilization. CZPTly, concentrate to about 1/4 of the quantity of uncooked milk. Focus equipment, general tiny dairy multi-objective single-effect vacuum concentration pot, bigger dairy are used in the double-influence or three-effect vacuum evaporator, also have the use of vane vacuum evaporator. At the end of the concentration, the concentrated milk must be filtered, typically making use of a double filter.

 

4. Spray drying: first by the blower inlet air filter, by means of the air heater heating to one hundred thirty ~ 160 ºC, into the spray drying chamber. At the same time, the filtered concentrated milk is pumped by high pressure to the atomizer or by the milk pump to the centrifugal spray rotary table, sprayed into 10 ~ 20 micron milk droplets and very hot air entire get in touch with, powerful heat exchange and good quality exchange, rapidly get rid of h2o, in an quick to complete evaporation, drying. It is then settled at the base of the drying chamber, which is discharged continually through the powder making system for timely cooling. Finally, sieve and bundle the powder.

 

5.Powder, cooling: spray drying indoor milk powder calls for fast and steady discharge of well timed cooling, so as not to warmth as well prolonged, decrease the quality of merchandise. The powder items frequently used in dairy sector are screw conveyor, drum variety valve, vortex fuel seal valve and electromagnetic oscillation powder filling system. CZPT creation technological innovation, is the powder, cooling, sieve powder, powder, powder storage and weighing packaging and other processes related into a continuous manufacturing line. The powder and drying powder must be screened right away after the powder is out. Make the solution awesome in time. Spray drying milk powder needs timely cooling to less than 30 ºC . At present, fluidized bed powder cooling system is generally utilized.

six.weighing CZPT: Milk powder ought to be packaged right away following cooling with a horse’s tin canister, glass tank or plastic bag. According to the shelf life and use of diverse demands, can be divided into little cans sealed packaging, plastic bag packaging and big packaging. The require for prolonged-time period preservation of milk powder, it is very best to use a iron tank vacuum nitrogen filling seal packaging, preservation period can attain 3~5 years. If marketed in the limited term, then much more use of polyethylene plastic bag packaging, every single bag of $ g or G, with high-frequency electrical heater welding seal. Small packaging weighing needs are accurate and rapid, the general use of capability or fat automatic weighing cHangZhou machine. Big packaged milk powder is usually supplied to individuals with particular requirements and is also divided into canned and bagged. Every single tank weighs 12.five kg each and every bag weighs 12.5 kg or a kilogram. 
 

Comparison of different milk powder generation processes

one. Moist approach

It is manufactured by directly spraying clean cow (sheep) milk into vitamins. It not only does not have intermediate links these kinds of as milk powder re-dissolution, but also uses numerous filtration procedures to prevent protection dangers and fully ensure the equilibrium of a variety of vitamins. The damp approach is a lot more complicated and needs more equipment. The principal tools for the early therapy is the internet milk equipment, the homogenizer, preferably the sterilization equipment, the concentration tools, the drying products, the packaging equipment, and some ancillary products. Boiler, sewage remedy, and many others.

Moist method requires 3 circumstances

one. Need to have a pasture
2, have to have milk
three, have to have a milk powder processing plant.
The milk powder developed by the soaked method is manufactured of raw beef (sheep) milk as the raw substance in the very first time. The merchandise has excellent homogeneity, stable physical and chemical indicators, and balanced nutrition. Different vitamins and minerals will be in the milk. A fully dissolved method can also minimize the CZPTary air pollution of milk powder, which can make sure the freshness and dietary value of the closing item, but the use of “wet strategy” creation is not all dairy organizations can do, this is mainly The length amongst the milk source and the generation plant is identified, but with a single soaked process, some heat sensitive vitamins are simply wrecked throughout the spray drying method.

2, dry approach

The dry method is to insert the acquired huge-deal whey powder to the mixing tank, and set in the vitamins included by different solids. Right after entirely stirring, the combination is directly dispensed. The dry process is reasonably easy, primarily mixers, packaging equipment, and so on.

Dry approach warmth sensitive supplies (such as warmth-labile components, which are prone to decomposition, polymerization, oxidation and other metamorphic reactions when heated) are straightforward to include. Nonetheless, the uniformity of the items produced by the dry approach is not as very good as that of the moist method, and there are some variations in the style of the flavor when compared with the milk powder made by the moist process.

The dry approach has larger demands on the workshop, and the GMP workshop is normally utilized. In order to ensure the safety throughout the creation and processing of milk powder, the official web site of the Meals and Drug Administration issued the “Notice on the Pertinent Perform on the Production License Evaluation for the Creation of Toddler Formulation Milk Powder Using CZPTed Base Powder”: Enabling enterprises to use imported foundation powder as raw content to create infants. For toddler formula, the business must make in accordance to the dry process specified in the “Toddler Formula Milk Powder Generation License Overview Regulations (2013 Version)”. It is strictly forbidden for enterprises to use imported huge-package infant system milk powder for generation and distribution. This regulation is sure to boost the cost and expense of the business for milk powder producers.

Understand about the moist and dry procedures of milk powder, as properly as their strengths and weaknesses. So, what variety of procedure is used to distinguish the concluded milk powder? Listed here you should be reminded that you can distinguish it from the substances list of the milk powder packaging: If the initial merchandise of the ingredient list is “uncooked cow (sheep) milk”, ” Fresh milk” is the wet method if it is “entire fat milk powder, skimmed milk powder or skim milk powder, etc.” is the dry procedure or dry and damp mixing procedure.
3. Dry and wet composite approach
The dry-damp composite method refers to the simultaneous processing of fresh milk by dry mixing and moist mixing. The milk powder that can be made by the wet mixing approach is reasonably shut to the milk supply, which can ensure that the fresh milk is powdered after and can speedily turn into the smallest package that can be bought. It reduces the air pollution of the intermediate link, guarantees the freshness of the milk powder, and immediately mixes the vitamins and minerals into the new milk to make the nutrient combination a lot more uniform, even though some heat-sensitive vitamins (nutritional vitamins, probiotics) are included in the dry mixing approach to ensure its activity. . This method is excellent to the wet mixing approach or the dry mixing method by itself.

 

 
 

The introduction of gear:

one, Clean Milk Short-term Storage Tank: 

Scope of Use: 

Largely utilized in new milk, juice, tea drinks and pharmaceutical components mixing just before the use of materials short term storage, in buy to decrease precipitation to facilitate the subsequent entire mixing and mixing, temporary storage tank can be optional circulating centrifugal pump and insulation unit. This gear is an indispensable gear for foodstuff, beverage and pharmaceutical crops. The use of resources for SUS304 stainless metal, in Line with GMP manufacturing CZPTs.

Unit diagram:

System parameters: 

one Powerful Volume:2000L 

2. plate for 304# stainless steel

three. tank insulation CZPT compressor energy:six.5KW 

four. the gear in the tank is 300MESH, the physical appearance of 2B sub-mild

five. equipped with self-priming feed pump, sanitary grade. 

6. completely enclosed best with 0° , anti-fly dust-evidence breathable gap,

7. CZPT Cleansing: The prime of the products is outfitted with 360 degree rotating CIP cleansing head

eight. Digital temperature meter, temperature display variety 0ºC-ºC

nine. CZPT Single-layer vertical framework, the reduced component of the CZPT quick connecting valve group. 

A . Double leading feed Port phiXihu (West Lake) Dis.

Four only adjustable height ft. 

A . CZPT Composition: one-layer cone base sort

the 4~seven degree retains temperature and can be cooled repeatedly at constant temperature.

 2. CZPT-Grade Ice H2o Models :           

1 , structural description : It embodies affordable construction, substantial efficiency and far better electricity intake coefficient. Air-cooled form. 

CZPT Movement: The use of imported compressor machine, two-stage variable speed, initial-class pulley, two-phase curved arm equipment symmetrical transmission, unique alloy bearings, bilateral rolling bearings, horizontal steadiness, lower sound, mechanical effectiveness on common improved by about a cent. 

Moisturizing sliding: Splash Variety free lubrication, secure and reputable. 

Primary pump human body: 3-aspect kind, the include using radial self-position seal, durable, no external leakage.

System Energy: 5P

minimal location temperature: -5 degrees Celsius. 

Unit Dimension: 1500mm*650mm*1450mm ( length * width * height)

3 , GY-2000LS Tiny and medium-sized Pap milk sterilizer: 

one ), Scope Of Use: 

This products is broadly employed in refreshing milk, traditional Chinese medicine, biopharmaceutical, soy merchandise, liquid condiments and other materials pasteurization, high temperature sterilization, really suited for tiny and medium-sized creation of pasteurized milk items. This production-variety pasteurization device sets heating, sterilization, cooling, scorching filling as one particular. It is the ideal full established of equipment for college and local community dairy manufacturing enterprises.

2 ), CZPT Features: 

The sterilization temperature of this products can be set according to the needs of pasteurization or large temperature sterilization, sterilization temperature the ° C~85 ° C can be modified arbitrarily. All areas of the products in contact with the solution are created of SUS 304 stainless steel, casing washers and seals are made of foodstuff grade fluorine rubber, and the solution line is related using DIN CZPT pipe fittings. In the exhibit output, the production of pasteurization machine configuration has a digital exhibit temperature management program and timing sterilization manage method, and in accordance to user requirements to select the sterilization temperature and sterilization time and pump start and intermittent time. This tools is a multi-tank mixed framework, really appropriate for tiny batches of multi-range dairy enterprises generation and use. 

three ), CZPT Parameters 

1. CZPT covers only inside a few meters, exterior steam turbines or steam boilers and other amenities. 

two. CZPT drinking water consumption 5T/H (optional external Ice h2o unit, created-in refrigerated liquid cycle refrigeration)

3. rated capacity : 800-2000L/H ( production on Need adjustment ), the maximum processing capability of this system is 0L ( optional In accordance to buyer needs ))

4. sterilization temperature 75~85ºC up to a maximum ofºC, Can be adjusted in accordance to the true requirements, true-time regulation of PID constant temperature manage technological innovation, so that the total temperature zone manage Wen Yu, sterilization temperature management accuracy ±1ºC. 

5. sterilization time according to distinct sterilization temperature Established sterilization time . 

six. circulation is pump energy:1.55KW .   

7 . CZPT filter: Foodstuff grade stainless steel filtration mesh. 

eight. sterilization circulating tank quantity:0 liters 

9. Sterilization method: casing Type , pipe diameter 

A . Maximum pressure: force

One . Cleaning of products: circulating filtration and cleansing of higher force centrifugal pump

A . design work : 8. 5KW

All of the complete device making use of large-quality SUS304 stainless metal production, content make contact with component of the pipe fittings with meals-grade seamless SUS304 Pipe . 

A . built-in steam temperature manage proportional valve set, lure, drain valve. 

A . built -in PT100 temperature sensor several locations.

The automatic PLC automatic manage,7 inch shade contact display dynamic display technique . 

by particle:two hundred~300 mesh

. power supply:3 phase 380V

A . Host size 2800mm*150mm*1950mm ( CZPT in accordance to buyer wants creation)

Serial quantity	Gadget Identify	System parameters
1	Clean Milk momentary storage tank	the liters , SUS304 2B, CZPT Accuracy A with continuous temperature refrigeration perform. Temperature 3~7 degrees Celsius. Outfitted with an on-line filtration unit.
2	Plate Preheater	– Square plate preheater, stainless steel materials
3	Skimming device	centrifugal milk skimming device, processing capability the liters / hours. Power 4.5KW. CZPT steel substance.
two	Online homogenization CZPT	Processing Capability the kg , Maximum pressure 35MPa (ZheJiang Shen Deer)
3	Pasteurization CZPT	the liter Casing pasteurization CZPT, with its very own heating temperature manage, coloration touch screen dynamic show, PLC CZPT management technique.
four	CZPT technique	10P Ice Water Device, negative 5-degree ice h2o equipment, with 3000 L-Alter warmth buffer tank, 8 Square stainless metal plate warmth exchanger.
5	Concentration products	one thousand L CZPT Metal
six	Spray Dryer	Drying the milk powder
7	Entire line Connection	CZPT metal ball valve, butterfly valve, fast link, clamp, sanitary gasket, liquid stage, elbow, unilateral and other connecting pipes and pipe fittings, add-ons.

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Make contact with: Ms. Jelly: Tel:18516198359