Glutinous rice flour dry process method
Technical field
The present invention relates to a kind of is the glutinous rice flour dry process method that Raw material processing forms with glutinous rice.
Background technology
Glutinous rice flour also claims dumpling flour, is a kind of popular raw-food material.At present, domestic glutinous rice flour processing method, basically be to adopt the wet method processing method, with clean, the edible glutinous rice of removal of impurities, pearling is with clear water (use warm water winter) immersion, after its imbibition deliquescing, send into stainless steel mill or stone mill, the limit edging adds water mill and becomes Rice ﹠ peanut milk, then through precipitating, dewater, be dried into large bulk.Dry powder piece that again will be block greatly is broken, and it is the above finished product glutinous rice flours of 100 orders that screening obtains fineness.Such as the disclosed a kind of ultra-fine water-milling glutinous rice flour processing technique of Chinese patent literature CN10111695, namely belong to this processing method.Water mill processing glutinous rice flour has the pure white exquisiteness of glutinous rice flour outward appearance, the characteristics that mouthfeel delicate fragrance is soft and moist, and still, this processing method has the processing technology complexity, the defective that processing cost is high.
Someone once attempted with pulverizer dry production glutinous rice flour, because the sieve aperture of sieve formula pulverizer also can only be worked into 0.6mm by the prior art minimum, its corresponding grinding particle size only has about 30 orders, do not reach glutinous rice flour fineness (more than the 100 orders) requirement that conventional wet processes, can not show a candle to the granularity of making the glutinous rice flour that comes with the wet method processing method so directly pulverize the granularity of glutinous rice flour out with this pulverizer, therefore, coarse mouthfeel, and do not accepted by market; The somebody with vertical pulverizing mill (at present, be mainly used in the producing high-grade concentrated feed) process glutinous rice flour, although the fineness of the glutinous rice flour that it processes can meet the demands, but, produce the problem that there are following two aspects in glutinous rice flour with vertical pulverizing mill, the one, this vertical pulverizing mill accuracy of manufacture requires high, and rotating speed is high, per minute reaches 20000 and turns above, so the high-speed bearing on this vertical pulverizing mill needs to rely on from external import fully, causes this vertical pulverizing mill expensive; The 2nd, this vertical pulverizing mill efficient is extremely low, if process glutinous rice flour with this vertical pulverizing mill, the glutinous rice flour cost that it processes is quite high, and the glutinous rice flour market of high price can not be accepted; The 3rd, because the broken material very high speed of this vertical pulverizing mill can make the high temperature of material moment generation, the glutinous rice flour of pulverizing out is charred flavor, affects fragrance and the mouthfeel of glutinous rice flour.
Summary of the invention
Not high in order to solve the machined glutinous rice flour fineness of above-mentioned Ordinary pulverization, the glutinous rice flour mouthfeel is bad, and process the too high problem of glutinous rice flour cost with vertical pulverizing mill, but the present invention provides a kind of industrialized mass to society, and glutinous rice flour is with low cost, and granularity can reach the above glutinous rice flour dry process method of 100 orders.
Technical scheme of the present invention is: a kind of glutinous rice flour dry process method is provided, the crushing system that employing has following characteristics and a parameter directly is crushed to the glutinous rice grain glutinous rice flour more than 100 orders, crushing system comprises pulverizer and the grader that is connected with pulverizer, described pulverizer possesses following characteristics, the one, horizontal, the 2nd, without sieve, the 3rd, hammer leaf hits the glutinous rice grain; The linear velocity of described classifier rotor is 20 meters-50 meter per seconds; The suction powder wind speed at place, grader machine internal cavity maximum cross-section is 4 meters-12 meter per seconds.
As improvement of the present invention, the linear velocity of described classifier rotor is 30 meters-40 meter per seconds; The suction powder wind speed at place, grader machine internal cavity maximum cross-section is 6 meters-10 meter per seconds.
As improvement of the present invention, the linear velocity of classifier rotor is 40 meter per seconds; The suction powder wind speed at place, grader machine internal cavity maximum cross-section is 8 meter per seconds.
As improvement of the present invention, the linear velocity of the hammer leaf of described pulverizer is 90 meters-100 meter per seconds; Or the linear velocity of the hammer leaf of described pulverizer is 70 meters-120 meter per seconds; Or the linear velocity of the hammer leaf of described pulverizer is 90 meter per seconds.
100-120 purpose glutinous rice flour directly is processed into disposable glutinous rice in the present invention, and water is not mediated, and glutinous rice flour contained vitamin, protein and trace element can not lost; Manufacturing procedure is simple, does not need a large amount of expensive auxiliary equipment, saves factory building, reduces investment outlay, and saves manpower; Ton material processing cost is low, water saving, and energy-saving efficiency is remarkable; Without waste water, waste gas and dust pollution; But have industrialized mass, and glutinous rice flour is with low cost, the advantage that the glutinous rice flour that granularity and conventional wet processing method are produced is basically identical.
The specific embodiment
A kind of glutinous rice flour dry process method provided by the invention, the crushing system that employing has following characteristics and a parameter directly is crushed to the glutinous rice grain glutinous rice flour more than 100 orders, crushing system comprises pulverizer and the grader that is connected with pulverizer, the parameter of described pulverizer is that the linear velocity of the hammer leaf of pulverizer is 70 meters-120 meter per seconds, can improve like this output of pulverizer; The linear velocity of the hammer leaf of pulverizer is relevant with output, and the linear velocity of the rotor of grader is relevant with the granularity of glutinous rice flour with suction powder wind speed; The linear velocity of described classifier rotor is 20 meters-50 meter per seconds; The suction powder wind speed at place, grader machine internal cavity maximum cross-section is 4 meters-12 meter per seconds, and place, so-called grader machine internal cavity maximum cross-section refers to that grader is from the place of the cavity maximum cross-section between the outlet that exports to grader of pulverizer.In the present embodiment, the pulverizer that adopts is that the disclosed horizontal non-screen hammer piece type of Chinese invention patent ZL2008100655686 is pulverized, classifying integrated machine.This horizontal non-screen hammer piece type is pulverized, classifying integrated machine, comprise with the horizontal non-screen hammer piece type pulverizer of charging aperture and air inlet and the vertical grader of translator, described vertical grader is positioned at the top of horizontal non-screen hammer piece type pulverizer, described horizontal non-screen hammer piece type pulverizer and vertical grader are connected as a single entity by interlude, and described charging aperture is arranged on horizontal non-screen hammer piece type pulverizer axial sides top; In described interlude, be provided with a grade dividing plate above the discharging opening of disintegrating chamber of crushing machine; Described interlude is that the shape of the discharging opening on its end opening and the disintegrating chamber of crushing machine matches, its gradual change housing that matches with grading room end opening grader suitable for reading.Obviously, add that grader (non-Unitary) as long as satisfy the above-mentioned parameter requirement, also can realize if pulverize with horizontal non-screen hammer piece type.
Among the present invention, the better parameter of described pulverizer is that the linear velocity of the hammer leaf of pulverizer is 90 meters-100 meter per seconds; The linear velocity of classifier rotor is 30 meters-40 meter per seconds; The suction powder wind speed at place, maximum cross-section is 6 meters-10 meter per seconds in the grader machine.The parameter of the best of described pulverizer is that the linear velocity of the hammer leaf of pulverizer is 90 meter per seconds; The linear velocity of classifier rotor is 40 meter per seconds; The suction powder wind speed at place, maximum cross-section is 8 meter per seconds in the grader machine.
With horizontal non-screen hammer piece type pulverizing, classifying integrated machine with above-mentioned feature and parameter or be non-all-in-one, add the glutinous rice grain and just can directly make the glutinous rice flour that closes more than 100 orders that symbol requires.Add man-hour, start first crushing system, idle running and with each parameter adjustment to closing the above-mentioned parameter of symbol, namely the linear velocity of the hammer leaf of pulverizer is 70 meters-120 meter per seconds, the linear velocity of described classifier rotor is 20 meters-50 meter per seconds; The suction powder wind speed at place, grader machine internal cavity maximum cross-section is 4 meters-12 meter per seconds; Subsequently, add the glutinous rice grain, just can continuously collect granularity at 100-120 purpose glutinous rice flour.Through test, inhale the powder wind speed with different classifier rotor linear velocities and grader, can obtain the granularity of different glutinous rice flours, result such as table one.
The granularity table of comparisons of table one, grader parameter and glutinous rice flour
Table one explanation need only the linear velocity of control classifier rotor at 20 meters-50 meter per seconds, and the suction powder wind speed at place, grader machine internal cavity maximum cross-section just can reach the granularity requirements of glutinous rice flour, namely more than 100 orders in 4 meters-12 meter per second scopes.