CN1259341C - Stereo drop process for maniocca starch production - Google Patents

Stereo drop process for maniocca starch production Download PDF

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Publication number
CN1259341C
CN1259341C CN 03128245 CN03128245A CN1259341C CN 1259341 C CN1259341 C CN 1259341C CN 03128245 CN03128245 CN 03128245 CN 03128245 A CN03128245 A CN 03128245A CN 1259341 C CN1259341 C CN 1259341C
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water
starch
technology
machine
upright
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CN1488647A (en
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王炽
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王炽
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Abstract

The present invention provides a technology for producing stereo drop height by using cassava starch, which causes height difference by raising material height at one time. In the technology, under the action of potential energy, material becomes a free falling body, and under the action of no force and with water as a medium, the material rotates automatically in a process program to complete the technological requirement, namely: the multilevel sieving devices of the primary pulp are arranged in an upright, hierarchical, consecutive and stereo drop manner, so that under the action of no drive force and with water as a medium, the material automatically transfers to complete the sieving processes of pulp from slag among various devices. The present invention makes a breakthrough in the traditional thought about the layout of the technological process at present, and replaces plane process into stereo free drop process in the air, which reaches the aim of economizing devices, shortening technology and using less energy. The present invention is suitable for implementing the design of newly-built enterprises, and can also be used for the technical innovation of old enterprises.

Description

Tapioca (flour) is produced three-dimensional drop height type technology
Technical field:
The present invention relates to a kind of production method of starch.
Background technology:
The kind that China's ative starch production has possessed considerable scale has corn, potato, Ipomoea batatas, cassava etc., and all enters manually operated procedural mechanize production.Because to the understanding and the understanding of technical process, the layout that is provided with of traditional process unit all is plane formula.
Tradition existing shortcoming of the tapioca (flour) technological process of production or weak point are:
1. floor space is big, construction costs height, long construction period;
2. after going into operation, equipment is many, is not easy to management, and business burden is heavy;
3. power set is many, and power consumption is big, and maintenance capacity is big, the expense height;
4. be unfavorable for extensive modern production.
Summary of the invention:
The purpose of this invention is to provide and a kind ofly can shorten Production Flow Chart, energy efficient is reduced investment outlay, and guarantees that the tapioca (flour) of constant product quality is produced three-dimensional drop height type technology.
The technical solution used in the present invention is: disposable raising height of materials causes difference of altitude.Making material under the effect of potential energy, form freely falling body, under motorless effect, is that medium has enough to meet the need in processing sequence automatically with water, finishes processing requirement.That is: the multi-stage screening equipment of magma is the upright three-dimensional drop height type setting that links up by different level, and making material is to transmit automatically under the unpowered driving of medium to finish the sieving technology of starching with slag with water at each equipment room from top to bottom; Raw material through be delivered to sheller, cleaning machine, size degradation, secondary size degradation, again to former stock tank, be drop height type transmission from top to bottom; Serum from the second time butterfly sheet machine to high level tank, scraper machine, drying machine hopper, be drop height type transmission from top to bottom.
The present invention has broken through present traditional technical process layout thinking, levels off the surface current journey for aerial three-dimensional free drop height type, reaches saving equipment, shortens technology, uses the purpose of the energy less.Reduce the number of turnover of serum in high-pressure pump, the chance of serum contact stain is few, has gone out product, has more the effect of product.
The present invention both had been applicable to the design implementation of newly-built enterprise, can be used for the technological transformation of old enterprise again: at first, to produce 10000 tons of fresh cassava starch per year, starch economize on electricity 41.55 degree per ton, every degree electricity are by 0.50 yuan, and one is pressed the electricity charge approximately in season: 20.78 ten thousand yuan; 10,000 tons of output of prior art design need two production lines, and the present invention's design only needs a production line just can finish productive capacity, save investment 40%, and its returns of investment can be doubled and redoubled.
Embodiment:
The production process of tapioca (flour), i.e. physical separating process.Just other materials such as the Mierocrystalline cellulose of raw material, protein, inorganic salt are separated with starch.Be insoluble to cold water and the proportion character greater than water according to starch, the usefulness of water and machinery is separated starch.
Its main technique flow process: six operations such as cleaning, size degradation, screening, separation, dehydration, drying.
1, cleans
The effect of cleaning: remove cassava epidermis and silt particle, clean clean, starch quality could be guaranteed, past is only used cleaning machine, the present invention has had improvement to technology, at first use Ф 1200 * 4000 shellers to roll and remove potato skin and silt, water saving on the one hand reduces water and pollutes, and the potato skin of removal, silt are convenient to concentrate cleaning again, re-use Ф 1000 * 6000 cleaning machines, this machine be furnished with slightly wash the district, take a shower district, washing district, the raw material roll is advanced, be that medium sprays with water, wash, frustrate mill, Ex-all silt and potato skin.
Former method is cleaned cassava 3.5 tons of the cleaning water that need per ton, and existing reform back is cleaned per ton of cassava and used 2.8 tons of process waters, has promptly saved 3.5 tons of cleaning water, has reduced utilize 0.7 ton of process water again.
2, size degradation
The purpose of size degradation is exactly to destroy the organizational structure of cassava, small starch granules can successfully be disintegrated from the piece root separate.The disintegrator of former use is the 6WSJ-45 type, makes its size degradation through hammering, rasion, cutting, extruding, and is medium with water, and its ratio is 1: 1.5, and first road is by 1.6 millimeters sieve plates of Ф, and second road squeezes out magma by 1.4 millimeters sieve plates of Ф.
Now change first road into by 8 millimeters sieve plates of Ф, second road is by 1.2 * 6 millimeters sieve plates, the difference of its maximum is that first road does not add water in principle, because fresh cassava itself contains the moisture content about 65%, the magma that size degradation comes out just can flow and directly fall in the second road size degradation, goes in the former stock tank standby by internal diameter 1.2 * 6 mm sieve plate currents again.The effect one has reduced the resistance of water in machine, its two, strengthen sieve aperture and make throughput more smooth and easy.The effect of twice size degradation, the effect of performance hammering that can be better bigger, rasion, cutting, extruding improves output, and the cassava internal structure is fully disintegrated, and is convenient to starch and separates.
3, screening
Manioc waste is elongated fiber, volume is greater than starch granules, coefficient of dilatation is also greater than starch granules, proportion is lighter than starch granules again, is medium with water with the magma of size degradation, through stirring, once rise to the height that needs with stock pump, at first be pressure curved sieve, directly fall upright for the first time sieve through screening, slag slurry, again through the slag slurry of screening directly fall upright for the second time sieve, for the third time upright sieve directly fall again or direct current in the potato slag bath.Pressure curved sieve and the upright for the first time serum that sifts out are directly fallen clean sieve (upright sieve), directly fall in the serum jar through the clean serum that sifts out only, standby as refined stock, the upright for the second time serum that sifts out is directly fallen in the former stock tank, and upright for the third time sieve serum direct current is fallen in the water distribution jar standby.This technology is changed the way that just must join pump, join pond (jar) with sieving that needs only in the past, saves power greatly, reduces energy consumption.
4, separate (making with extra care)
The proportion of silt is greater than water, again greater than starch granules, and the proportion of yellow slurry (albumen) approaches water, again than the particle light specific gravity of starch, so serum must be with being pumped into sand cleaning machine before separating through the butterfly sheet, remove silt, enter butterfly sheet separating machine again by strainer, Huang is starched (albumen) separate, smart serum is directly fallen in the serum jar, again with being pumped into sand cleaning machine, enter butterfly sheet separating machine for the second time again by strainer, the Huang slurry of separating (albumen) is sent into storage pool, and the smart serum of separating must reach 18~22 degree Beaume, and it is standby directly to fall high level tank.
5, dehydration
The serum of separating all need dewater, and improves drying efficiency, save energy.
By the effect of scraper centrifugal machine high speed rotating, carry out separating of solid phase and liquid phase, will dish out the filter cloth space of most of moisture content from screen cloth, the wet starch that draws contains dose rate and is lower than 35%, to reach save energy, improves the requirement of output and quality.
6, drying
One-level underbalance pulse drying (being flash drying again) the whole process time is to finish in a flash, so starch granules has little time gelatinization and be dried, so gelatinization or signs of degradation can not take place.
Air stream drying is the co-current process of wet stock and hot gas flow, is made up of heat transfer and two processes of mass transfer.When wet starch contacted with warm air, warm air to the wet starch surface, was passed to inside by the surface with thermal energy transfer again, and this process is exactly a heat transfer process; Meanwhile, the moisture content in the wet starch is diffused into the starch surface from material inside with liquid state or gaseous state, is diffused in the warm air by air film by the starch surface and goes, and this is a mass transfer process.Balancedly carry out heat exchange with high temperature gas flow and wet starch in drying tube exactly, make exsiccant starch be Powdered, this moment, starch also had the temperature more than 38 ℃, reduced to below 30 ℃ through air-cooled.Wrap, weigh, stitch bag, warehouse-in through finished product sieve, dress again.
The present invention in the mountain area or the knob can because of geographical, physical features is suitable; In the available area of no geographical conditions, can take the frame-type skeleton construction to make difference of altitude and realize this purpose.
Embodiment:
Fresh cassava results on the same day were entered factory the same day, processing on the same day.Quality: no silt, coring, wooden, do not go mouldy.Silt removed by sheller and the potato skin reaches more than 80%; Silt removed again by cleaning machine and the potato skin reaches more than 10%.
Size degradation is all by 8 millimeters sieve apertures of Ф for the first time, size degradation is all by 1.2 * 6 millimeters sieve apertures for the second time, it is fine and soft that hand is touched magma, and twice size degradation is and do not add water purification or process water in principle, with slowly flow directly to fall to being advisable, because fresh cassava itself contains 65% moisture content, can add water as landing when too slow and help stream, its magma is directly fallen in the former stock tank, adds the serum dilution technique water that sifts out for the second time, stir, stirring helps starch and separates.
Use pump that magma is extracted into pressure curved sieve, directly fall upright for the first time sieve through screening slag slurry, add process water and carry out hydro-peening, so the slag slurry is directly fallen upright for the second time sieve again, adds process water and carries out hydro-peening, and so the slag slurry is directly fallen upright for the third time sieve again, adds process water and carries out hydro-peening.Pressure curved sieve and the upright for the first time serum that sifts out must directly be fallen in the smart serum jar standby more than 5 degree Beaume up to the serum that clean sieve (upright sieve) requires to sift out.The upright for the second time rare serum that sifts out is directly fallen dilution magma in the former stock tank.Start simultaneously and stir, stirring helps starch to separate, and the upright for the third time rare serum that sifts out is directly fallen in the water distribution jar standby.This technology was changed in the past as long as with sieving the way that just must join pump, pond (jar), save power, energy consumption greatly.
Separate (making with extra care), with the pressure of pump smart serum is sent into sand cleaning machine, remove sand through eddy flow, enter strainer, it is refining to enter butterfly sheet machine again, requires serum to reach 12 degree Beaume, falls into the serum jar, is diluted to 8~9 degree with clean water, stirs in the serum jar.It is refining that this serum re-uses and is pumped into sand cleaning machine, strainer, butterfly sheet machine is finished the second time.Serum reaches 18~22 degree Beaume, directly falls in the high level tank to stir, and makes it keep uniform serum standby.
At first by the dress filter cloth, restart the scraper machine, after as ready is often become a full member, open the bottom valve of high level tank, dense serum is directly fallen in the scraper machine, dewater, be lower than 35%, wet starch is dumped in the hopper with the wet-milling water content, through spiral wet starch is sent in the drying tube and to be contacted with warm air, the moisture content of wet starch is diffused into the starch surface from material inside with liquid state or gaseous state, and the starch surface is diffused in the warm air by air film and goes thus.And starch wraps, weighs, stitches bag, warehouse-in through wind stopping device, cooling air unit, finished product sieve, dress again in cyclonic separator is directly fallen collection powder case.
The present invention saves equipment:
To produce fresh cassava starch 100 ton per days is example.Conventional process flow needs 2 of transfer rollers, 2 of shellers, 2 of cleaning machines, 6 of disintegrators; And the present invention only needs 1 of transfer roller, 1 of sheller, 1 of cleaning machine, 3 of disintegrators can satisfy production requirement, and the table of equipment number is 50% of a traditional technology.
Save power-driven pump:
To produce fresh cassava starch 100 ton per days is example, and conventional process flow needs power-driven pump more than 30.And the present invention only needs 10 and can satisfy production requirement, is 33% of traditional technology.
Save electric power:
Tradition tapioca (flour) station-service electric weight is 140 degree/ton starch, and power consumption of the present invention is 98.45 degree/ton starch, is 70.32% of traditional technology power consumption.Every production ton starch is saved electric power 41.55 degree.

Claims (1)

1, tapioca (flour) is produced three-dimensional drop height type technology, comprises cleaning, size degradation, screening, separation, dehydration, drying process, it is characterized in that:
1. raw material through be delivered to sheller, cleaning machine, size degradation, secondary size degradation, again to former stock tank, be drop height type transmission from top to bottom;
2. magma once rises to desired height, the pressure curved sieve in upright three-dimensional by different level drop height type equipment, 1~3 grade of upright sieve, and making material is to transmit the sieving technology of finishing slurry and slag under the unpowered driving of medium automatically with water at each equipment room from top to bottom;
3. the serum after the screening enters butterfly sheet separating machine to high level tank, scraper centrifugal machine, drying machine more earlier through sand cleaning machine, is drop height type transmission from top to bottom.
CN 03128245 2003-06-27 2003-06-27 Stereo drop process for maniocca starch production Expired - Fee Related CN1259341C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03128245 CN1259341C (en) 2003-06-27 2003-06-27 Stereo drop process for maniocca starch production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03128245 CN1259341C (en) 2003-06-27 2003-06-27 Stereo drop process for maniocca starch production

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CN1488647A CN1488647A (en) 2004-04-14
CN1259341C true CN1259341C (en) 2006-06-14

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102603900B (en) * 2012-03-16 2013-11-20 广西伟业淀粉有限责任公司 High-potential-difference potato starch-residue separation system
CN102613510A (en) * 2012-03-22 2012-08-01 浙江省农业科学院 Method for processing non-pasted whole tapioca powder
CN104530248A (en) * 2014-12-24 2015-04-22 广东中轻枫泰生化科技有限公司 Production method of cassava modified starch

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