Technique and industrial device for refining rice by supercritical polybasic fluid

An industrial device and supercritical technology, applied in the field of supercritical multi-fluid refined rice, can solve the problems of difficult implementation and promotion, large equipment investment, and long construction period.

Active Publication Date: 2009-10-14
王艺瑾
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] my country's Taiwan Province and South Korea's existing supercritical CO 2 The common disadvantage of rice processing technology is that the selected supercritical CO 2 The pressure is as high as 25-32MPa, the equipment investment is large, the construction period is long, the energy consumption is high, and the production cost is high. It is difficult to implement and promote the annual production of 200 million tons of rice in my countr...

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  • Technique and industrial device for refining rice by supercritical polybasic fluid

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specific Embodiment approach 1

[0023] Specific implementation scheme one: the paddy brown rice layer is pre-broken, the moisture content of the paddy brown rice is controlled at 15%, and it is packed into 10M 3 The material frames in the high-pressure extraction tank 13-1 and 13-2, paddy and brown rice are packed in layers in the material frame to reserve 15% of the micro-expansion space, after closing the tank cover, vacuum up to 10 through high vacuum pump 15 -2 mmHg, exhaust the air, and then pass the CO2 through the liquid carbon dioxide booster pump 9 and the heater 10 2 After replacing the air, pressurize to 12MPa and control the temperature at 32°C, stabilize the pressure for 30 minutes and quickly depressurize to 5.0MPa, cycle three times to oscillate to pre-break the wall, and then slowly release the pressure, so that the micro-expanded rice brown rice is slowly closed, pre-treated by supercritical fluid oscillation. Broken wall treatment kills harmful bacteria, mold and insect eggs in paddy brown ...

specific Embodiment approach 2

[0024] Specific embodiment two: the preparation of sweet-scented osmanthus, rose, jasmine fragrant rice, according to specific embodiment one, first after paddy brown rice layer is pre-broken, the pressure is stabilized at 12MPa and the temperature is controlled at 32°C. In the multi-component solvent tank 11, add The osmanthus after freeze-drying, rose, jasmine use supercritical carbon dioxide fluid to extract essential oil and natural food-grade deodorant, feed supercritical carbon dioxide fluid, fresh flower essential oil and natural food-grade deodorant in multi-component solvent tank 11 The agent slowly and evenly passes through the high-efficiency multi-component solvent mixer 12 to form a supercritical multi-component fluid. The pre-broken brown rice in the high-pressure extraction tanks 13-1 and 13-2 is used to add aroma to the supercritical multi-component fluid. Pressurize from 12MPa to 22MPa, add aroma for 30 minutes, stabilize the pressure for 30 minutes, and then r...

specific Embodiment approach 3

[0025] Specific embodiment three: the preparation of purple sweet potato red pigment, capsanthin, lycopene, sophora japonica yellow pigment rice, according to specific embodiment one, first after pre-breaking the paddy brown rice layer, stabilize the pressure at 12MPa and control the temperature at 32 ℃, in the multi-component solvent tank 11, add purple sweet potato red pigment, capsanthin, lycopene, and Sophora japonica yellow pigment prepared by supercritical multi-component fluid, and pass into supercritical carbon dioxide fluid in the multi-component solvent tank 11, These natural pigments pass through the high-efficiency multi-component solvent mixer 12 slowly and evenly to form a supercritical multi-component fluid, and color the supercritical multi-component fluid to the pre-broken brown rice in the high-pressure extraction tanks 13-1 and 13-2. The coloring pressure is from 12MPa is pressurized to 22MPa, the coloring time is 30 minutes, the pressure stabilization time i...

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Abstract

The invention belonges to the field of refining rice by supercritical polybasic fluid. The invention is characterized in that the supercritical polybasic fluid industrial device with carbon-dioxide zero emission, with pressure less than 22 MPa and temperature less than 40 DEG C, pre-breaks wall of brown rice layer to be directly prepared as high-nutrient rice; meanwhile, harmful bacteria, mould and ova are killed, so that freshness date is prolonged and storage loss is reduced; impurities in the brown rice such as pesticide residue, heavy metal and dust are removed via ultrasonic and microwave extraction; the brown rice becomes good-looking and delicious by colouring and aromatizing; besides, anti-free-radical, anti-aging, anti-radiation and immunity-improving natural bioactive substances are uniformly added so as to improve health-care function and added value of the rice, further; thus, fresh and delicious rice with advantages of high nutrient, water saving, washing prevention and rapid cooking is produced, with yield being increased by more than 25%; the invention is executed and popularized widely in rice planting regions, thereby ensuring national food safety and international food safety.

Description

technical field [0001] The invention belongs to the field of supercritical multi-component fluid refining rice, and is characterized in that it is a supercritical multi-component fluid industrial device with zero emission of carbon dioxide. Under the condition that the pressure is lower than 22MPa and the temperature is lower than 40°C, the paddy brown rice layer is pre-broken and directly prepared as High-nutrition rice, while killing harmful bacteria, mold and insect eggs to prolong the storage period and loss in storage, with ultrasonic and microwave extraction technology to remove pesticide residues, heavy metals and dust and other impurities in brown rice, coloring, adding Fragrance, improve the appearance and taste of brown rice, evenly add natural bioactive substances that resist free radicals, anti-aging, anti-radiation, and improve the body's immunity to further improve the health function and added value of rice. Compared with traditional rice industrial production tech...

Claims

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Application Information

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IPC IPC(8): A23L1/015A23L5/20
Inventor 王振锟王艺瑾
Owner 王艺瑾
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