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Pakistan 20TPD Soybean Flour Production Line Solution

Benefiting from economic and trade dividends brought by the China-Pakistan Economic Corridor, our company has successfully delivered a complete set of 20 tons per day soybean flour production line. All supporting soybean flour processing machinery has smoothly arrived in Karachi, Pakistan and entered the on-site installation phase. This project delivers a closed-loop integrated service covering customized process design, intelligent manufacturing of grain processing units, visa coordination, on-site assembly, production commissioning and operation maintenance, setting a benchmark for standardized overseas EPC implementation of small and medium-sized deep Soybean processing projects.

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Delivery of the 20 Tons Per Day Complete Soybean Flour Production Line

The delivered 20 tons/day soybean powder assembly line is customized exclusive equipment for soybean raw material processing. The full production workflow covers raw material impurity cleaning, stone removal, peeling, three-stage graded grinding, multi-layer screening and automatic packaging to build a closed continuous production system.

In accordance with local Pakistani food manufacturing industry standards and end purchasers’ requirements for finished powder quality, our team optimized the technical parameters of soybean flour manufacturing processes, calibrated operating standards for matched processing units, and finalized core production indicators for the whole set of soybean flour production line:

Daily processing capacity of soybean raw materials reaches 20 tons, equivalent to an hourly output of 1 ton, perfectly matching the daily mass production plans of local small and medium-sized soybean processing plant and soybean mill.
All finished soybean flour passes through a 50-mesh sieve with an overall powder yield up to 80%.
Strictly control the grinding temperature of rollers in all matched soybean machine; the whole processing temperature never exceeds 25°C. Low-temperature manufacturing retains native nutrients of soybeans and prevents high-temperature gelatinization that ruins powder taste;
Adopt a combined process of three grinding passes plus three screening grading procedures to automatically separate and discharge coarse bran. The finished powder features uniform and stable fineness that meets raw material standards for local food and soybean product factories.

Paskistan 20 TPD Soybean Flour Production Plant Design
Successful 20TPD Soybean Flour Making Plant in Pakistan

Sadiq Sheikh, person-in-charge of the client enterprise, stated that the region boasts abundant soybean planting resources, yet large-scale and standardized production lines for making soybean flour are extremely scarce, forcing local manufacturers to rely on imported finished soybean powder for a long time. By introducing complete Chinese manufacturing units including the soybean peeling machine, soybean dehulling machine, soybeans processing machine, soybean making machine and soybean maker machine, the enterprise can locally process domestic soybean raw materials, cut raw material procurement costs, expand the local market for soybean food and meal replacement ingredients, and gain far-reaching advantages for long-term corporate development. Contact ABC Machinery today to customize a cost-effective local soybean processing production line matching your regional raw material conditions.

Complete Full Processing Workflow of soybean flour

soybean flour is categorized into three major types: full-fat soybean flour, defatted soybean flour and low-fat soybean flour. Two mainstream industrial production routes dominate the market: dry-process full-fat dehulled soybean flour and leaching defatted soybean flour. ABC Machinery has long been engaged in constructing grain and oil processing factories worldwide, offering customized factory construction processes and complete sets of supporting soybean maker machine, soybean making machine and other Grain processing equipment, suitable for commissioning grain and oil processing factories with hourly output ranging from 0.5 tons to 20 tons, including standalone small soybean plant and large integrated soybean processing plant.

Comparison of Three Types of Soybean Flour Processing Technologies

Working Procedure	Full-fat Soybean Flour	Defatted Soybean Flour	Low-fat Soybean Flour (Oil Return Process)
Oil Extraction Step	No oil removal, all natural fat retained	Deep oil removal via solvent leaching	Deep defatting first, followed by manual oil replenishment
Fat Content	18%～20%	≤1%	4.5%～9% (standard range: 5%～6%)
Core Distinct Workshop Section	Wet heat enzyme deactivation / Extrusion	Solvent leaching + desolventizing and meal baking	Precise fat compounding and homogenization
Protein Content	46%～48%	53%～56%	50%～53%
Typical Application	Baking, dairy substitutes, puffed snacks	Meat products, plant protein beverages, meal replacement powder	Infant complementary food, bread, low-fat sauces

Full-Fat Soybean Flour (Two Mainstream Processes to Preserve Native Soybean Oil)

Route 1: Conventional Heat-Treated Full-Fat Soybean Flour (General Food-Grade)

Processing Flow: Raw soybean receiving → cleaning and screening → magnetic iron removal → conditioning and drying → crushing and peeling via soybean peeling machine and soybean dehulling machine → wet thermal conditioning and enzyme deactivation (deodorization) → low-temperature drying → cooling → ultrafine grinding via professional soybean machine → air separation screening → metal detection → packaging and warehousing
Key Process Points: Complete impurity removal and material conditioning, thorough peeling treatment, steam enzyme deodorization, moisture control and cooling grinding to guarantee powder quality and flavor. Products made by standard procedures feature moisture ≤6%, dehulling rate ≥95%, and 100-mesh passing rate ≥97%, fully complying with global food-grade quality inspection standards of any soybean mill or large-scale soybean processing plant.

Route 2: Extruded Full-Fat Soybean Flour (Special for Feed & Baking)

Processing Flow: Soybean raw materials → cleaning and magnetic separation → crushing and peeling with matched soybeans processing machine → pre-conditioning and humidification → twin-screw extrusion (instant curing at 110～140℃) → air cooling → secondary fine grinding → screening → finished product packaging
Process Advantages: Complete enzyme deactivation, 22% higher raw material digestibility, 30% improved powder fluidity and 60% slower oil oxidation rate. The normal-temperature shelf life extends 35% compared with heat-treated soybean powder. To satisfy high-temperature control demands of extrusion powder production, ABC Machinery supplies self-developed explosion-proof extrusion units with precise constant temperature control within ±2℃, limiting finished product loss below 3% while maintaining a stable 100% enzyme deactivation pass rate.

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Defatted Soybean Flour Processing Technology

Industrial Solvent Leaching Method (Mainstream Food-Grade Solution)

Processing Flow: Soybean raw materials → cleaning → conditioning and softening → crushing and peeling using soybean peeling machine → flaking (0.2～0.4mm thin soybean flakes) → n-hexane solvent leaching for oil extraction → wet meal desolventizing and baking → cooling and drying → grinding with dedicated soybean machine → screening → metal detection → finished defatted soybean flour
Key Process Points: Conduct solvent oil extraction after flaking, and eliminate anti-nutritional factors through desolventizing. Two types of defatted soybean powder can be produced: high-activity type (NSI＞80%) and heat-stable type (NSI 40-60%), which are obtained after grinding and screening. ABC Machinery delivers an integrated full factory leaching and powder-making solution that balances solvent residual safety control and stable NSI indicators of finished products with floating error no more than 3%.

Small-Scale Cold Press Auxiliary Route (Feed Use Only)

Cleaning and peeling with soybean dehulling machine → low-temperature softening → cold pressing for oil extraction → soybean cake grinding and screening. Finished products retain 5%～10% residual oil and do not meet food-grade defatted soybean flour standards. This route fits rapid commissioning of low-cost rural small soybean plant, and ABC Machinery can provide lightweight simple supporting Grain processing equipment for cold pressing and powder making.

Two Processing Technologies for Low-Fat (Medium-Fat) Soybean Flour

Process A: Defatted Soybean Flour Oil Blending Method (Top Choice for Food Production)

Defatted soybean flour (residual oil＜1%) → raw material mixing → refined soybean oil/lecithin addition via automatic soybean maker machine → homogenized blending → low-temperature conditioning → grinding and screening → metal inspection and packaging, with controllable fat content between 4.5% and 9%. ABC Machinery’s programmable proportion mixing units achieve fat blending error ≤0.2% and a 100% batch consistency compliance rate, completely avoiding sales losses caused by uneven manual mixing.

Process B: Semi-Pressing Method (For Small Feed Mills)

Soybean cleaning and peeling → softening → light pressing → semi-defatted soybean cake drying and grinding. The finished product retains 5%～10% residual oil with uneven fat distribution and low protein activity, so it is rarely applied in food manufacturing.

Different categories of soybean flour have vastly different requirements on processing temperature control, defatting rate, powder mesh count and workshop cleanliness standards of a soybean processing plant. ABC Machinery, a supplier of soybean production technology and machinery with years of experience serving global grain and oil industries, can deliver one-stop customized powder-making solutions for global grain and oil soybean mill and soybean plant, meeting production and operation demands of both food and feed processing sectors simultaneously.

Why Choose ABC Machinery Integrated EPC Solutions

Against the backdrop of global food security, agricultural countries along the Belt and Road enjoy long-term stable market space for deep processing capacity upgrading. In the future, ABC Machinery will keep exploring segmented processing sectors including soybean, miscellaneous grains and oilseeds, and iterate energy-saving, highly automatic and highly adaptable turnkey EPC production lines for small and medium-sized manufacturers.

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With mature technology research and development capabilities, complete equipment manufacturing capacity and proven overseas project delivery experience, we can provide tailor-made one-stop solutions for grain and oil processing enterprises worldwide. Whether you have project plans for soybean flour, wheat flour, miscellaneous grain powder, oilseed deep processing or other grain manufacturing projects, feel free to contact the ABC Machinery team at any time. We will formulate professional process blueprints and complete EPC project quotations combined with local raw material characteristics, factory site conditions and target production capacity, follow up the whole project cycle until the production line operates smoothly, and jointly boost the upgrading of local agricultural industries.

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