CN106362830A

CN106362830A - Stone grinding process

Info

Publication number: CN106362830A
Application number: CN201610807268.5A
Authority: CN
Inventors: 刘仓; 张见锋; 鲁光辉; 张飞; 曹怀涛; 孙殿英; 樊劲军; 张俊立; 李俊峰
Original assignee: Inner Mongolia Zhaofeng Hetao Surface Industry Co; Zhengzhou Zhengwang Technology & Trade Co Ltd
Current assignee: Inner Mongolia Zhaofeng Hetao Surface Industry Co; Zhengzhou Zhengwang Technology & Trade Co Ltd
Priority date: 2016-09-07
Filing date: 2016-09-07
Publication date: 2017-02-01

Abstract

The invention discloses a stone grinding process which is a powdering process with three peel grinding steps, two slag grinding steps, three tailing grinding steps and six core grinding steps, wherein the three peel grinding steps, the two slag grinding steps, the three tailing grinding steps and the six core grinding steps adopt stone grinders to grind; peel grinding, front core grinding, middle and rear core grinding, slag grinding and tailing grinding adopt smooth roller stone grinders; retention contact time of materials on a plate surface of a stone plate of each stone grinder is 20-35 seconds, and is freely regulated through a material distributing brush; and rotation speed of the stone grinders is 25-35 revolutions/minute. The stone grinding process has the advantage that original nutritional ingredients (such as starch, vitamins and proteins) are not damaged. Peel grinding adopts smooth rollers, so that damages on wheat starch branched chains are very small in a processing process, and therefore, food ductility and plasticity for flour preparation are sufficiently guaranteed. Meanwhile, loss of trace elements such as vitamin A, vitamin B1, vitamin B2, folic acid and pantothenic acid which are beneficial for the human body is less in a processing process.

Description

Stone is milled powder craft

Technical field

The present invention relates to flouring technology, especially relate to stone and mill powder craft.

Background technology

At present, in industrialization wheat flour milling technique, the grinding to wheat grain uses horizontal iron roll, have two rollers, four-roller and Eight rollers, point monolateral and bilateral pulverizing.The grinding roller of iron roll flour mill adopts discaling roll and smooth roll mixed grinding, also has using pure tooth to roller Grind.Iron roll flour mill flouring technology typically adopts: four road shellings, six road reductions, twice sizing, twice tail rolls.Four road shellings Using discaling roll, reduction, sizing, tail rolls adopt smooth roll.One shelling (1b) and two shellings (2b) are regardless of thickness；Three shellings and four shellings There is dividing it may be assumed that three skins roughly grind (3bc), three skin fine grindings (3bf), four skins corase grind (4bc), four skin fine grindings (4bf) of thickness；Reduction is divided For: a reduction (1m), two reductions (2m), three reductions (3m), four reductions (4m), five reductions (5m), six reductions (6m)；Sizing is divided into One sizing (1s), two sizing (2s)；Tail rolls is divided into a tail rolls (1t) and two tail rolls (2t).The general number of teeth of front road shelling be 4.7 teeth/ Cm, the general number of teeth of middle way of escape shelling is 7.9 teeth/cm；Front road reduction smooth roll roughness is generally (1.6-2.5cm), way of escape reduction Smooth roll roughness is generally (1.5-1.8cm)；Sizing and tail rolls roughness are typically pressed front road reduction and are selected.

In wheat grain process of lapping, between iron roll, time of contact is 0.5 second about, material will be made at short notice to be filled Point grind, this requires the roll clearance turning down between two rollers when operating, make material by when be subject to certain shearing force and extruding to rub Wiping power.Above-mentioned flouring technology grinds, using horizontal iron roll, the deficiency existing: too high (the 40 ° of left sides of temperature in material process of lapping Right)；Roller speed is fast (600 revs/min about), and material time of staying (0.5 second about) in the middle of two iron rolls is short, and contacts Time length can not control adjustable.Therefore material, in above-mentioned high temperature, the course of processing at a high speed, in short-term, will result in material original Nutritional labeling is suffered to destroy (as starch, cellulose, protein etc.).Starch converts saccharogenesis at high temperature, when causing flour to stablize Between short so that finished product mouthfeel is tacky, and flour product outward appearance occur send out wrinkle a phenomenon；Meanwhile, protein also can become at high temperature Property and lose imbibition function.Shelling is provided as discaling roll, in process wheaten starch side chain is destroyed serious so that face The food ductility that powder is made and plasticity reduce；Vitamin a, vitamin b1, vitamin b2, Folic Acid, pantothenic acid etc. are to people simultaneously The beneficial trace element of body is destroyed in high temperature working processes and is run off.

Content of the invention

The powder craft present invention aim at a kind of stone of offer is milled.

For achieving the above object, the present invention takes following technical proposals:

Stone of the present invention is milled powder craft, takes the powder work processed of three road shellings, twice sizing, three road tail rolls, six road reductions Skill；Described three road shellings, twice sizing, three road tail rolls, six road reductions are all ground using stone mill；Described stone is milled Shelling in powder machine adopts light roller stone to grind, and rugosity is: 3.6-5.2um；Reduction described in front road adopts light roller stone to grind, and roughness is 3.2-4.6um；Reduction described in way of escape Road adopts light roller stone to grind, and roughness is 2.8-3.4um；Described sizing and tail rolls adopt Light roller stone grinds, and roughness is 3.4-4.8um；Material stops time of contact for 20- in the stone disk card of every socle mill 35 seconds, adjusted at any time by sub-material brush；The rotating speed of stone mill is 25-35 rev/min.

Described stone mill adopt two roller stone mills or four roller stone mills, stone mill be up-down structure it may be assumed that Stone rolling moves the upper disk surface being arranged on stone disk, and described stone grinds and done clockwise around stone disk center by Motor drive on described stone disk Or counterclockwise movement；The temperature that material grinds in the course of processing in stone grinding is less than 20 DEG C.

The invention has the advantages that Semen Tritici aestivi material stop 30 seconds about time of contact on the stone disk of every socle mill can Adjust so that material obtains the grinding of sufficient time, when so operating, the roll clearance between stone stone roller and stone disk and pressure all can be transferred to Good state, be only squeezed when so that material is passed through frictional force.Again because stone grind turning speed is low and extrusion friction power is little, accordingly produce Heat is little.The little heat producing in the course of processing is ground heat conduction by stone and is passed in the air, so that temperature of charge is maintained at for a long time low Under warm 20 degree of states, it is not result in that original nutritional labeling is suffered to destroy (as starch, vitamin, protein etc.).Starch is low Saccharogenesis will not be converted under temperature, protein also will not under low temperature degeneration and lose the function of the swollen profit that absorbs water.Shelling is provided as light roller, In the course of processing, very little is destroyed to wheaten starch side chain, so that the food ductility of flour making and plasticity is fully guaranteed. The trace element beneficial to human body such as vitamin a, vitamin b1, vitamin b2, Folic Acid, pantothenic acid loses in process simultaneously Few.

Brief description

Fig. 1 is stone pearling flour process chart of the present invention.

Fig. 1 .1 Shi1bShai road figure in Fig. 1.

Fig. 1 .2 Shi1pShai road figure in Fig. 1.

Fig. 1 .3 Shi2pShai road figure in Fig. 1.

Fig. 1 .4 in Fig. 1 is 1m1/1m2 sieve road figure.

Fig. 1 .5 in Fig. 1 is 2m1/2m2 sieve road figure.

Fig. 1 .6 in Fig. 1 is that f2/f3 tests dressing sieve road figure.

Fig. 1 .7 Shi2bShai road figure in Fig. 1.

Fig. 1 .8 Shi3pShai road figure in Fig. 1.

Fig. 1 .9 Shi4pShai road figure in Fig. 1.

Fig. 1 .10 in Fig. 1 is 1s1/1s2 sieve road figure.

Fig. 1 .11 in Fig. 1 is 3m/4m sieve road figure.

Fig. 1 .12 Shif1Shai road figure in Fig. 1.

Fig. 1 .13 Shi3bShai road figure in Fig. 1.

Fig. 1 .14 Shi5pShai road figure in Fig. 1.

Fig. 1 .15 Shi6pShai road figure in Fig. 1.

Fig. 1 .16 in Fig. 1 is xf/df sieve road figure.

Fig. 1 .17 Shi1tShai road figure in Fig. 1.

Fig. 1 .18 Shi2tShai road figure in Fig. 1.

Fig. 1 .19 in Fig. 1 is br.1 sieve road figure.

Fig. 1 .20 in Fig. 1 is br.2 sieve road figure.

Fig. 1 .21 in Fig. 1 is high-voltage pulse figure.

Fig. 1 .22 in Fig. 1 is action of low-voltage pulse figure.

Fig. 2 is the structural representation of four roller stone mills of the present invention.

Specific embodiment

As shown in Figure 1, 2, stone of the present invention is milled powder craft, take three road shellings, twice sizing, three road tail rolls, The flouring technology of six road reductions；Described three road shellings, twice sizing, three road tail rolls, six road reductions are all entered using stone mill Row grinds；Shelling in described stone mill adopts light roller stone to grind, and rugosity is: 3.6-5.2um；Reduction described in front road adopts Light roller stone grinds, and roughness is 3.2-4.6um；Reduction described in way of escape Road adopts light roller stone to grind, and roughness is 2.8-3.4um； Described sizing and tail rolls adopt light roller stone to grind, and roughness is 3.4-4.8um；Material is in the stone disk card of every socle mill Stop time of contact is the 20-35 second, is adjusted at any time by sub-material brush；The rotating speed of stone mill is 25-35 rev/min.

As shown in Fig. 2 described stone mill adopts four roller stone mills, four roller stone mills are up-down structure it may be assumed that stone Grind 1 and roll the upper disk surface being arranged on stone disk 2, described stone grinds 1 and does up time by Motor drive around stone disk center on described stone disk 2 Needle movement, rotating speed is 25-35 rev/min；Temperature during stone grinds 1 attrition process for the material is less than 20 DEG C.

Present invention process flow process is:

Material → mono- skin (1b) stone grinding mill → mono- skin screen → bis- skin (2b) stone grinding grind → bis- skin screen → bis- skins beat bran → Three skins (3b) stone grinding is ground → tri- skin screen → tri- skins and is played bran → wheat bran packing.

One skin screen → mono- skin wheat flour purifier → reduction is ground, sizing grinding and tail rolls are ground.

Wholeheartedly (1m) grinds → wholeheartedly wheat flour purifier (1p) → disloyalty (2m) grinding → disloyalty screen → disloyalty of screen → wholeheartedly Wheat flour purifier (2p) → three-core (3m) grinding → three-core screen → three-core wheat flour purifier (3p) → tetra- heart (4m) grinding → tetra- heart screens → Five hearts (5m) grind → five hearts screen → six heart (1m) and grind → six heart screens → wheat-middlings packing.

3rd step a: slag (1s) grinds a slag screen one slag wheat flour purifier two slag (2s) and grinds two slag screens two Tail (2t) grinds two tail sheets and manages three tails (3t) grinding three tail sheets reason wheat-middlings packing.

One tail (1t) grinds → mono- tail sheet reason → tail wheat flour purifier → bis- tail (2t) and grinds → bis- tail sheets reason → tri- tails (3t) Grind → tri- tail sheet reason → wheat-middlings packings.

Claims

1. a kind of stone mill powder craft it is characterised in that: take three road shellings, twice sizing, three road tail rolls, the system of six road reductions Powder craft；Described three road shellings, twice sizing, three road tail rolls, six road reductions are all ground using stone mill；Described stone Shelling in mill adopts light roller stone to grind, and rugosity is: 3.6-5.2um；Reduction described in front road adopts light roller stone to grind, coarse Spend for 3.2-4.6um；Reduction described in way of escape Road adopts light roller stone to grind, and roughness is 2.8-3.4um；Described sizing and tail rolls Ground using light roller stone, roughness is 3.4-4.8um；Material stops time of contact in the stone disk card of every socle mill and is The 20-35 second, adjusted at any time by sub-material brush；The rotating speed of stone mill is 25-35 rev/min.

2. stone according to claim 1 mill powder craft it is characterised in that: described stone mill using two roller stones mill Powder machine or four roller stone mills, stone mill be up-down structure it may be assumed that stone rolling moves the upper disk surface being arranged on stone disk, described Stone grinds to be done around stone disk center by Motor drive on described stone disk and moves clockwise or counterclockwise；Material grinds attrition process in stone During temperature be less than 20 DEG C.