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Parboiled Rice Processing Line / Rice Processing Factory / Rice Processing Unit

DCT30/50-XZ  Mini Parboiling Rice Processing Plant is HTM’s Latest Mini Parboiling Rice Mill, and also an upgraded version of the XCT and ZCT series. The merits of the XCT & ZCT Series versions have been maintained in this new series plus the following additional advantages;

1.  Higher Yield of output rice, from 1.5TPH to 2TPH

2.  Higher Whitening/Polishing Efficiency, This significantly increases the rice milling quality, and reduces the rate of breakage of the rice by using a multistep whitening/polishing technology.

3.  Fully Automated rice processing, it will minimize the cost of labor & increase rice production efficiency.

4.  High Flexibility,  It can be upgraded to an DCT Biomass Standard Rice Mill Plant, using Silky Polishing & Rice Cooling system.

5.  Grade B/C level standard is realized in rice production (up to level Grade A, Export Rice Standard at a later period)

6.  Longer periods of operation of up to 24 hours without interruption.

7.  Compared to the XCT Series and ZCT Series, DCT Mini series is more convenient to maintain.

8.  Professional Dust Collection System, much cleaner interior & exterior environment of workshops.

9.  The investment amount is only 15%~25% of the DCT Standard Rice Mill Plant, with the installation time significantly shortened.

10. It can be equipped with optional Paddy Drying System, Paddy Silos & Husk Power System etc.

Parboiled rice (also known as converted rice) is rice that has been partially boiled in the husk. The three basic steps of parboiling are soaking, steaming and drying. These steps also make rice easier to process by hand, boost its nutritional profile and change its texture. About 50% of the world’s paddy production is parboiled. The treatment is practiced in many parts of the world such as India, Bangladesh, Pakistan, Myanmar, Malaysia, Nepal, Sri Lanka, Guinea, South Africa, Italy, Spain, Nigeria, Senegal, Thailand, Switzerland, USA and France etc.

Advantages of Parboiled Rice

Compared with ordinary rice, parboiled rice has more nutrients. Research shows that there is a significant improvement in nutritive value, rice whitening/polishing quality, organoleptic quality and storage time of parboiled rice, with market price 10% -15% higher than that of the same level white rice.

1.Higher Nutritional Quality
In parboiling process, most water-soluble substances, such as Vitamins B and inorganic salts in cortex and embryo will penetrate into endosperm without water being lost in the process like the case with ordinary rice. Research has further depicted that 50% ~ 90% Vitamins B1 in embryo enters into endosperm, VB1, and VB5 content increases by nearly 2 to 3 times, while calcium, phosphorus and iron contents increase in varying degrees compared with ordinary rice.

2.Higher Processing Quality
Through parboiling treatment, rice husks become brittle, and easily husked/shelled, with improvement in rice structural mechanics. Thus, broken rice rate significantly decreases in milling process, milled rice rate increases and rice grains become more transparent and glossy after processing. Additionally, relevant tests and practices has shown that more parboiled rice (with the same precision) can be produced from indica rice and polished japonica rice compared with ordinary rice, approximately 25~35 kg and 15~25kg per ton respectively. In this regard, broken rice rate decreases 5%, head rice rate increases 10%, and oil extraction rate rises 3%~4% as rice bran is boiled.

3.Higher Cooking Quality

Parboiled rice has better expansibility compared with ordinary rice. Parboiled rice has 4% higher boiled rice rate. With heat treatment, part chains of starch will break and turn into dextrin. In parboiled rice, the content of dextrin is 1.80%~2.20%, five times higher than that in ordinary rice (4%). According to the digestion test on humans, the digestibility of protein in parboiled rice is 4.5% than that of regular rice. As a result, preboiled rice is particularly suitable for infants and young children, patients under rehabilitation and the elderly.

4.Prolonged Rice Storage Time
After parboiling treatment, microorganisms are killed, and enzyme activity is inhibited, which prevent the occurrence of predicaments in storage, like mildew. Moreover, endosperm starch dries after gelatinization, with higher hardness, solid moisture content, and higher resistance to pests. The storage time increase to 2~3 years.

Compare Nutritional Value of Parboiled Indica Rice & Ordinary Rice

Nutrition Facts Protein Carbohydrates Iron Phosphorus VA VB1 VB2
% % mg*(100g) mg*(100g) mg*(100g) mg*(100g) mg*(100g)
Parboiled Indica Rice 7.20 22.30 10.13 170.00 0.30 0.11 0.05
White rice 6.00 22.16 3.32 76.00 0.30 0.03 0.05

HTM offers a comprehensive portfolio of process engineered, high capacity, energy efficient modern rice mill machinery– from paddy intake to bagging and on-site services worldwide.
Including paddy intake, paddy cleaning, (paddy parboiling) paddy drying system, paddy storage, paddy/rice conveying, destoning, husking, paddy separating, whitening/polishing, grading, silky/mist polishing, rice cooling, color sorting, packaging/bagging etc.

From the initial design of the modern fully automatic parboiled rice mill to the final installation and commissioning, HTM maintains a close and frequent communication with its customers. It does not matter where the parboiled rice mill is located, whether the projects are new, state of the expansions or the modernization and automation of parboiled rice mill; customer satisfaction and high quality has always been pursued by HTM. From feasibility analysis to starting up the operation of the parboiled rice mills, HTM gets involved in every stage of the project.

HTM’s Turnkey solution covers the following stages:

Stage 1    Design of DCT30/50-XZ  Mini Parboiling Rice Processing Project

At the design stage, HTM provides support and consultation services in the entire process, including the feasibility study, preliminary design, optimization design, and a detailed construction design. Based on the requirements of the customers and the local market, HTM offers customized solutions for the DCT30/50-P parboiling rice processing plant.

Stage 2    Implementation of DCT30/50-XZ  Mini Parboiling Rice Processing Project

At the stage of parboiling rice project implementation, HTM will focus on parboiling rice processing project management, scheduling or customizing the complete parboiling rice machine production, testing as well as the delivery of equipment. Throughout the process of parboiling rice project implementation, HTM's senior technical staff and engineers are responsible for project management, scheduling, logistics and the installation supervision of the entire parboiling rice processing project.

Stage 3   Debugging of The DCT30/50-XZ  Mini Parboiling Rice Processing Project

At the stage of debugging, HTM’s engineers will supervise parboiled rice production process and optimize process parameters, as well as train the local engineers in every step of the parboiled rice mill operation.

Stage 4   Service & Operation Support of DCT30/50-XZ  Mini Parboiling Rice Processing Line

The establishment of a complete industrial chain of parboiled rice production requires sufficient professional knowledge and skills. HTM will provide professional consultation services in the preliminary experiments, paddy cleaning, soaking, steaming/boiling, drying, storage, processing, bagging and the management of parboiled rice mill. HTM’s experienced team of experts can provide customers with long-term support for parboiled rice processing plant operations.

HTM’s turnkey parboiling rice processing project can benefit users in the following ways:

1.Reduction of waste and resource duplication thereby saving investment
2.Integrated intelligent control
3.Less energy consumption and greater productivity
4.Rapid installation and starting-up, significantly reducing the construction period of the parboiled rice mill
5.Reduction of the risk of incorrect installation
6.Ensuring project quality
7.Reduction of the maintenance needs, hence user-friendly

HTM provides services ranging from outsourcing operations, the optimization to the spare parts of the parboiled rice mill. HTM has a strong technical strength, including preliminary experiments, paddy cleaning, steaming / boiling, drying (moisture control), parboiled rice processing, rice packing, palletizing and power plants using biomass/rice hulls as fuels. Automation solutions cover rice processing equipment to the entire turnkey automation project.

Types of Turnkey DCT30/50-Z  Mini Parboiling Rice Processing Plant

Type Input Raw Paddy Capacity Output Rice Capacity Finished Rice Standards
DCT30-XZ Mini Version (Parboiling)
DCT30-XZ Mini + Biomass Power System (2xWhitening+Grading) 2.5TPH 1.5TPH Grade C, Domestic Standard
DCT30-XZ Mini + Biomass Power System (2xWhitening+Grading+Packing[10~50kg]) 2.5TPH 1.5TPH Grade C, Domestic Standard
DCT30-XZ Mini + Biomass Power System (2xWhitening+Grading+Sorting+Packing[10~50kg]) 2.5TPH 1.5TPH Grade C, Domestic Standard
DCT50-XZ Mini Version (Parboiling)
DCT50-XZ Mini + Parboiling System (2xWhitening+Grading) 3.0~4.0TPH 2.0~2.5TPH Grade C, Domestic Standard
DCT50-XZ Mini + Parboiling System (2xWhitening+Grading+Packing[10~50kg]) 3.0~4.0TPH 2.0~2.5TPH Grade C, Domestic Standard
DCT50-XZ Mini + Parboiling System (3xWhitening+Grading) 3.0~4.0TPH 2.0~2.5TPH Grade C, Domestic Standard
DCT50-XZ Mini + Parboiling System (3xWhitening+Grading+Packing[10~50kg]) 3.0~4.0TPH 2.0~2.5TPH Grade C, Domestic Standard
DCT50-XZ Mini + Parboiling System (3xWhitening+Grading+Sorting+Packing[10~50kg]) 3.0~4.0TPH 2.0~2.5TPH Grade C, Domestic Standard

*TPH= MT per Hour

Parboiled Rice Processing Flow Chart


1.DCT30/50 Series Mini Rice Processing Plant
2.Parboiling System & Installation
3.Shipping & Installation of DCT30/50-XZ Series Mini Rice Plant

As an Owner of the par-boiling rice processing plant, you will consider the following questions:

1.My existing parboiling rice processing factory is too old, the machine performance is unstable, how to upgrade it?

2.My milled rice contained too many broken rice, how to reduce the broken rice ratio?

3.There are too many stones in my parboiled milled rice, How can I remove them?

4.The power supply of my parboiling rice processing unit is unstable,. The parboiling rice processing unit is driven by diesel electric power which costs me a lot of money every month. What should I do?

5.My parboiling rice processing factory costs too much electricity, What should I do?

6.The customers think my finished parboiled rice of low quality & with many impurities how to improve my parboiled rice’s quality?

As a New Investor in parboiled/steam/boiled rice processing plant, you will also take the following questions into account:

1.how to make parboiled/converted rice?

2.How can I establish/set up a  parboiling rice processing factory?

3.How much does it cost to invest in a complete rice mill rice processing plant?

4.I want to establish an automatic parboiling rice processing factory and export my parboiled rice to other countries, how could I meet the export standard?

5.How to make profits from par-boiling rice milling business?

6.How much land does a parboiling rice mill plant occupy?

7.I want to establish a parboiling processing line, who could install and maintain this parboiling rice processing line?

8.How long does it take to build a modern complete parboiling rice processing factory?

9.When can I make profits after the steam rice processing project is completed? How much profit does steam rice factory make per year? How long does it take to recoup my investment in steamed rice processing project?

In respect of all above mentioned questions, HTM will provide you with full detailed answers, which could cover the requirements, design, manufacturing, shipment, on-site installation, commissioning, training and operation. In a word, HTM can provide specified assistance and solutions for every customer. As for further questions, please contact HTM’s Parboiled Rice Machinery Experts.
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