阅读说明：本技术 一种关于留胚米的碾白方法 (Whitening method for germ-remaining rice ) 是由 李冰 张志强 肖波 温志明 于 2021-08-31 设计创作，主要内容包括：本发明公开了一种关于留胚米的碾白方法,涉及留胚米碾磨领域,包括第一道碾米工序、第二道碾米工序、第三道碾米工序,所述一道碾米工序、第二道碾米工序、第三道碾米工序所采用米机均由砂辊和米刀构成碾磨机构,所采用米机配备有相应的上料斗、张紧机构、压力传感器、定位移传感器、风网系统。本发明在现有米机内的筛片换成米刀,用米刀代替筛片,通过调整米机砂辊和米刀之间的压力来控制碾磨的白度,同时控制碾米的精准度,经过三道碾米工序,通过调整砂辊和米刀之间的距离,来精准的控制糙米的流量,然后通过米刀和砂辊的适度的碾磨,从而精确的把粗纤维削磨掉,从而达到33度以上的白度,同时还可以精准的保留胚芽。(The invention discloses a whitening method for embryo-left rice, which relates to the field of embryo-left rice milling, and comprises a first rice milling process, a second rice milling process and a third rice milling process, wherein rice mills adopted in the first rice milling process, the second rice milling process and the third rice milling process respectively form a milling mechanism by using a sand roller and a rice cutter, and the adopted rice mills are provided with corresponding feeding hoppers, tensioning mechanisms, pressure sensors, positioning and moving sensors and air mesh systems. The invention changes the sieve plate in the existing rice mill into the rice cutter, replaces the sieve plate with the rice cutter, controls the grinding whiteness by adjusting the pressure between the sand roller and the rice cutter of the rice mill, simultaneously controls the rice milling precision, controls the flow of the brown rice by adjusting the distance between the sand roller and the rice cutter through three rice milling procedures, and then precisely grinds and grinds the crude fiber by properly grinding the rice cutter and the sand roller, thereby achieving the whiteness of more than 33 degrees and simultaneously precisely keeping the germ.)

1. A method for whitening rice with remained germs comprises a first rice milling process, a second rice milling process and a third rice milling process, and is characterized by comprising the following steps:

firstly, brown rice enters a first-pass rice mill to be milled to 26-27 degrees of whiteness, wherein the set value of a working pressure sensor of the device is 1000; milling effect and milling process adjustment sensor values 28;

step two, the germ rice in the first procedure enters a second rice mill, and the grinding whiteness is required to be 29-30 ℃; the set value of the equipment working pressure sensor is 1250; the milling effect and milling process adjustment sensor values 32;

step three, the germ rice in the second procedure enters a third rice mill, and the grinding whiteness requires 32-33 ℃; the set value of the equipment working pressure sensor is 1500; the milling effect and milling process adjust sensor values 35;

and step four, sampling and detecting the finished product on a whiteness meter after the finished product is obtained, so as to achieve the whitening effect.

2. A method for whitening germ-remaining rice as claimed in claim 1, wherein: the rice milling machines adopted in the first rice milling procedure, the second rice milling procedure and the third rice milling procedure respectively form a milling mechanism by a sand roller and a rice cutter.

3. A method for whitening germ-remaining rice as claimed in claim 2, wherein: the adopted rice machine is provided with a corresponding feeding hopper, a tensioning mechanism, a pressure sensor, a positioning and moving sensor and an air network system.

Technical Field

The invention relates to the field of milling of germ-remaining rice, in particular to a whitening method of germ-remaining rice.

Background

The existing rice mill is characterized in that a grinding mechanism is formed by a sand roller or an iron roller and a sieve sheet, rice is ground into rice by disordered extrusion in the grinding process, germs are ground off in the grinding process, and the effect of completely remaining germs and achieving certain whiteness cannot be achieved.

Disclosure of Invention

The invention provides a high-temperature oven glue burning method for a blank rice whitening method, which can solve the problems in the background technology and ensure that blank rice achieves whiteness of more than 33 ℃ while fully retaining germs.

In order to achieve the purpose, the invention provides the following technical scheme: a method for whitening remained germ rice comprises a first rice milling process, a second rice milling process and a third rice milling process, and comprises the following steps:

firstly, brown rice enters a first-pass rice mill to be milled to 26-27 degrees of whiteness, wherein the set value of a working pressure sensor of the device is 1000; milling effect and milling process adjustment sensor values 28;

step two, the germ rice in the first procedure enters a second rice mill, and the grinding whiteness is required to be 29-30 ℃; the set value of the equipment working pressure sensor is 1250; the milling effect and milling process adjustment sensor values 32;

step three, the germ rice in the second procedure enters a third rice mill, and the grinding whiteness requires 32-33 ℃; the set value of the equipment working pressure sensor is 1500; the milling effect and milling process adjust sensor values 35;

and step four, sampling and detecting the finished product on a whiteness meter after the finished product is obtained, so as to achieve the whitening effect.

Preferably, the rice milling machines adopted in the first rice milling procedure, the second rice milling procedure and the third rice milling procedure respectively comprise a milling mechanism consisting of a sand roller and a rice cutter.

Preferably, the adopted rice machine is provided with a corresponding feeding hopper, a tensioning mechanism, a pressure sensor, a positioning and moving sensor and a wind net system.

Compared with the prior art, the invention has the beneficial effects that: the invention changes the sieve plate in the existing rice mill into the rice cutter, replaces the sieve plate with the rice cutter, controls the grinding whiteness by adjusting the pressure between the sand roller and the rice cutter of the rice mill, simultaneously controls the rice milling precision, controls the flow of the brown rice by adjusting the distance between the sand roller and the rice cutter through three rice milling procedures, and then precisely grinds and grinds the crude fiber through the moderate grinding of the rice cutter and the sand roller, thereby achieving the whiteness of more than 33 degrees, simultaneously, also precisely keeping germ and having certain use prospect.

Drawings

FIG. 1 is a flow chart of the method for whitening germ-remaining rice of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the present invention provides a technical solution: a method for whitening remained germ rice comprises a first rice milling process, a second rice milling process and a third rice milling process, and comprises the following steps:

firstly, brown rice enters a first-pass rice mill to be milled to 26-27 degrees of whiteness, wherein the set value of a working pressure sensor of the device is 1000; milling effect and milling process adjustment sensor values 28;

step two, the germ rice in the first procedure enters a second rice mill, and the grinding whiteness is required to be 29-30 ℃; the set value of the equipment working pressure sensor is 1250; the milling effect and milling process adjustment sensor values 32;

step three, the germ rice in the second procedure enters a third rice mill, and the grinding whiteness requires 32-33 ℃; the set value of the equipment working pressure sensor is 1500; the milling effect and milling process adjust sensor values 35;

and step four, sampling and detecting the finished product on a whiteness meter after the finished product is obtained, so as to achieve the whitening effect.

Furthermore, the rice milling machines adopted in the first rice milling procedure, the second rice milling procedure and the third rice milling procedure respectively form a milling mechanism by a sand roller and a rice cutter.

Furthermore, the adopted rice machine is provided with a corresponding feeding hopper, a tensioning mechanism, a pressure sensor, a positioning and moving sensor and an air network system.

The invention realizes that germ-remaining rice can reach whiteness of more than 33 degrees while fully retaining germs through one rice milling process, a second rice milling process and a third rice milling process, a sieve plate in the existing rice mill is replaced by a rice knife, the rice knife replaces the sieve plate, the whiteness of milling is controlled by adjusting the pressure between an emery roller and a rice knife of the rice mill, the accuracy of rice milling is controlled, the flow of brown rice is accurately controlled by adjusting the distance between the emery roller and the rice knife through the three rice milling processes, and then coarse fibers are accurately milled by properly milling the rice knife and the emery roller, wherein each rice milling process comprises the following specific steps: raw material brown rice (water content 13-15) enters a buffer hopper of a germ retaining rice machine through a feeding system, the feeding system continuously feeds materials, the yield is 500KG per hour, the germ retaining rice machine is electrified, a tensioning mechanism adjusts the grinding pressure to reach the set value (800 plus 1500) of a working pressure sensor, the value of a displacement sensor is set, the position of a pressing plate is determined, and the brown rice is ground according to the grinding effectAnd the milling process adjusts the value (24-35) of the sensor, the air net system works, the air quantity is adjustable, the optimal bran removing effect is achieved, rice suction is avoided, and the air quantity is controlled to be 3500-5000m³And/min, starting the germ-remaining rice machine, carrying out frequency conversion and speed regulation on the main motor, firstly carrying out low-speed and then high-speed operation to reach an operation rotating speed of 1000r/min, carrying out rice quality process detection once every 10-15 minutes, confirming the grinding effect, and adjusting the grinding gap at any time. The whiteness of the germ rice is detected by a whiteness detection instrument, the whiteness error is controlled within +/-0.3, and the method has a certain application prospect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.