Moisture in Corn Flour

2026-07-01

Moisture content of corn meal or flour needs to be kept below a certain percentage in order to prevent spoiling within the storage bins. Typically, moisture levels should not exceed 14% for the coarsely ground material, and 10% for the fine flour.

Corn Refining Process

Corn Dry Milling grinds corn into grits, meal, flour and bran. Corn is tempered with the addition of water before passing through a Beall Degerminator which breaks open the kernel, separating the endosperm, germ and pericarp (bran). Through the use of aspirators, gravity tables, sifters and dryers, the different sized particles are separated and graded into grits, meal and flour.

Measurement Location

Choice of measurement location is dictated by the process and the conveying mechanisms. Ideally, on-line moisture measurements are made prior to, or soon after the dryer so corrective action can be quickly implemented. Often the moisture measurement can be used directly in closed loop control. If this is not feasible, measurement can be made prior to the storage bins.

Gauge Installation

On-line gauges cannot be installed in pneumatic ducts successfully, but they can be configured to view product in a gravity chute or screw conveyors. If the product volume is low or the flow is discontinuous, a powder sampler is advisable, otherwise a viewing window or a sample probe can be used.

Measurement Performance

MeasurementLocationTargetTypical Accuracy
Moisture in mealExit of screw conveyor12-14%0.3%
Moisture in flourExit of screw conveyor8-10%0.3%

🏢 Company Profile

Guangzhou Tonfei Technology Co., Ltd.

Tonfei Tech is a professional manufacturer and agent specializing in automated testing and control equipment. With over 20 years of focus on online infrared testing technology, the company offers solutions for moisture, coating thickness, and component analysis. Serving more than 500 clients across industries such as papermaking, food processing, chemicals, and woodworking, Tonfei provides reliable R&D, promotion, and technical support services. The InSenXe fast , non-contact online sensor measure moisture, coat weight and film thickness, and can be easily installed at any site that the 3mm diameter light beam “look insight" to the products.

📇 Contact Information

Address:

Room 604, Yi'an Plaza, No. 33, Jianshe Liu Road, Yuexiu District, Guangzhou City, Guangdong Province

Postal Code: 510060

Phone Numbers:

Office: +86-(020) 8618 7789

Mobile:

+86-139 0240 6986 (Mr. Zhang)

+86-135 3367 8828

+86-135 3381 2430

Email: mail@tongfei.net

Websites:

http://www.insight-infrared.com

http://www.tongfei.net

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