CN204097381U - Drum-type potato starch extractor and water-saving starch isolation device - Google Patents
Drum-type potato starch extractor and water-saving starch isolation device Download PDFInfo
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- CN204097381U CN204097381U CN201420557600.3U CN201420557600U CN204097381U CN 204097381 U CN204097381 U CN 204097381U CN 201420557600 U CN201420557600 U CN 201420557600U CN 204097381 U CN204097381 U CN 204097381U
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Abstract
The utility model provides a kind of drum-type potato starch extractor, comprises hopper, trommel screen, driving mechanism that head roll sieve rotates around its axis, the starch isolation groove of side straps posticum, bearing and the first support; Trommel screen by cylinder frame, cover cylinder frame outside surface screen cloth and be arranged on cylinder frame internal surface volution advance bar form; Starch isolation groove is arranged on the first support, trommel screen tilts to install, its feed end is lower than discharge end, the feed end of trommel screen and immerse in the water that starch isolation groove fills by portion's section of feed end, the discharge end of trommel screen is positioned at the top of starch isolation groove, one end of driving mechanism and trommel screen is combined, and the other end of bearing and trommel screen combines, and advances the rotation direction of bar contrary in the sense of rotation of driving mechanism effect bottom roll sieve with the volution being arranged on cylinder frame internal surface.The utility model additionally provides one and comprises the water-saving potato starch extraction element of above-mentioned drum-type potato starch extractor.
Description
Technical field
The utility model belongs to potato starch manufacture field, particularly a kind of potato starch extractor and the water-saving potato starch extraction element containing potato starch extractor.
Background technology
Starch industry is the important economic industry of China, and current China mainly contains potato class, cereal and beans etc. for the production of the raw material of starch, and the starch that wherein food crop produce accounts for about 90%, and the starch that potato raw material is produced accounts for about 10%.In recent years, under the promotion of the at home and abroad market requirement, rapidly, along with the rise of provision price, the proportion producing starch with potato raw material will be more and more higher to China's potato starch processing industry development.
For sweet potato, potato district, the Yangtze valley is one of main potato district of China, and starch based processing is the major way that peasant household is engaged in sweet potato processing in postpartum.Single be engaged in starch processing account for more than 40%, that is engaged in the comprehensive processes such as starch, bean vermicelli, bean sheet jelly accounts for more than 20%.Can increase income after every mu of sweet potato is produced into starch more than 1000 yuan, higher than plantation wheat and the income of soybean, therefore starch processing is significant to increasing income of sweet potato plantation peasant household, and it is higher that peasant processes enthusiasm.In sweet potato rewarding season, many peasant households all can carry out starch processing in units of family.The flow process of current extraction starch is: pulverize the raw material → acquisition potato slurry → filtration → starch that adds water and enter aqueous phase → starch and aqueous phase separation → acquisition starch.But existing complete processing overall development level is lower, there is the problems such as apparatus and process is backward, environmental pollution is serious.
Existing potato starch extraction equipment generally comprises the starch sedimentation pond of horizontally disposed cylinder screen and below thereof, starch sedimentation pond is square groove formula or racetrack, during use, the potato class after pulverizing is added from the feed end of cylinder screen, then to add water shower material from feed end, by water promote discharge end from material to cylinder screen motion while extract starch, amyloid water enters settling tank, starch is sink to bottom settling tank gradually, collects the potato slag after extracting starch at the discharge end of cylinder screen.Existing potato starch extraction equipment is used to extract starch, mainly there is following problem: (1) water loss is large, owing to needing the shower effect by means of water, material is moved to discharge end from the feed end of screen cloth, this just requires that the water of shower material must possess enough power, and these water are single use, cause water loss large, processing sweet potato per ton needs with about 5 tons, water, namely often extracts 1 ton of starch and needs water consumption about 20 tons, (2) water pollutions is serious, because of the seasonality of potato type harvesting and the feature of not storage endurance, potato starch processing is mainly concentrated in the harvest season and is carried out, in addition existing starch isolation equipment water loss is very large, therefore, contaminated wastewater breaks out at short notice in a large number, the chemical oxygen demand (COD) (COD) of waste water is up to about 5000mg/L, intractability is very large, these waste water directly drain in natural water without any process mostly, the a large amount of consumption of organism to oxygen cause water hypoxia, not only cause ambient air quality severe, and cause the fishes and shrimps phenomena of mortality, (3) high cost of starch and aqueous phase separation process, after extracting starch, need by the starch separation in aqueous phase out, but owing to employing a large amount of water when extracting starch, the therefore not only too low not free settling of starch content in aqueous phase, but also a large amount of amyloid aqueous phase can be produced, be separated according to starch sedimentation pond, the floor space in starch sedimentation pond must be caused excessive, according to centrifugation, energy consumption can be caused again too high, (4) starch extraction rate is lower than 80%, causes the waste of starch resource, and water loss is large in addition, causes high cost.The contaminated wastewater of starch processing is the subject matter existed at present, is the bottleneck that restriction potato starch secondary industry further develops.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, a kind of drum-type potato starch extractor and the water-saving potato starch extraction element containing drum-type potato starch extractor are provided, to realize recycling of starch isolation water, water saving and minimizing wastewater discharge.
The drum-type potato starch extractor that the utility model provides, comprises hopper, starch isolation groove, bearing and the first support that driving mechanism that trommel screen, head roll sieve rotate around its axis, side are provided with posticum, described trommel screen by cylinder frame, cover cylinder frame outside surface screen cloth and be arranged on cylinder frame internal surface volution advance bar form, the array mode of above-mentioned component and parts: described starch isolation groove is arranged on the first support, described trommel screen tilts to install, its feed end is lower than discharge end, the feed end of trommel screen and immerse in the water that starch isolation groove fills by portion's section of feed end, the discharge end of trommel screen is positioned at the top of starch isolation groove, one end of described driving mechanism and trommel screen is combined, the other end of described bearing and trommel screen combines, advance the rotation direction of bar contrary in the sense of rotation of driving mechanism effect bottom roll sieve with the volution being arranged on cylinder frame internal surface, described hopper is arranged on the feed end of trommel screen.
In above-mentioned drum-type potato starch extractor, the medullary ray of described trommel screen and horizontal angle α are 5 ° ~ 15 °, immerse starch isolation groove institute and fill the portion's section leaned between inlet end Duan Weicong trommel screen feed end end to trommel screen total length 1/2 ~ 7/10 place in water, the mesh size of this section is 80 order ~ 100 orders, trommel screen do not immerse starch isolation groove the mesh size of portion's section that fills in water be 50 order ~ 70 orders.
In above-mentioned drum-type potato starch extractor, described starch isolation groove is the cell body that one end open, the one end be combined into by rectangular base plate, trilateral front side board, trilateral back side panel and rectangular end side plate is closed, and described posticum is arranged on rectangular end side plate; Starch isolation groove is inclined and mounted on the first support, and the opening end of starch isolation groove is higher than blind end, and the discharge end of described trommel screen is positioned at the opening end of starch isolation groove.
In above-mentioned drum-type potato starch extractor, the rotating speed of described trommel screen is 6 revs/min ~ 15 revs/min.
In above-mentioned drum-type potato starch extractor, described driving mechanism comprises drive-motor and transmission rig, and transmission rig is made up of gear reducer and the gear ring being linked in trommel screen one end.
The utility model additionally provides a kind of water-saving potato starch extraction element, comprises above-mentioned drum-type potato starch extractor, dreg-liquid separator, water leg, the first infusion pump, starch secondary sedimentation device, dashpot, the second infusion pump, the first tubing, the second tubing, shower and the 3rd tubing; The array mode of above-mentioned component and parts: described dreg-liquid separator is arranged on the trommel screen discharge end of drum-type starch isolation device, its slag inlet is positioned at below described trommel screen discharge end, and its water shoot connects with water leg; The posticum that the starch isolation groove side plate of described drum-type starch isolation device is arranged is connected with water leg by the 3rd tubing; The fluid inlet of described first infusion pump is connected with water leg, and its liquid outlet is connected with starch secondary sedimentation device by the first tubing, and the liquid discharge pipe of starch secondary sedimentation device connects with dashpot; The fluid inlet of described second infusion pump is connected with dashpot, and its liquid outlet is connected with the second tubing; One end of described shower is closed, and one end is not closed, and body is provided with spout hole, and the non-blind end of shower is connected with the second tubing, and blind end inserts trommel screen from the trommel screen discharge end of drum-type starch isolation device.
In above-mentioned water-saving potato starch extraction element, the length of described shower is 1/4 ~ 1/2 of trommel screen length, and described spout hole is positioned at the lower wall of shower; Described shower does not arrange spout hole apart from portion's section of trommel screen discharge end end l, and the length of described l is 1/5 ~ 1/4 of shower length.
In above-mentioned water-saving potato starch extraction element, described starch secondary sedimentation device comprises feed chamber, at least three settling chambers and the second support for installing feed chamber and settling chamber, described feed chamber connects with described first tubing, first settling chamber adjacent with feed chamber is communicated with feed chamber by upflow tube, be communicated with by upflow tube between two adjacent settling chambers, the liquid discharge pipe of starch secondary sedimentation device is arranged on last settling chamber.The quantity of described secondary sedimentation Qi Zhong settling chamber is more, better to the separating effect of starch and water.
In above-mentioned water-saving potato starch extraction element, described settling chamber is made up of packing cavity, the starch collecting chamber connected with packing cavity lower end and the filler be arranged in packing cavity, the medullary ray of settling chamber is plummet, the medullary ray of packing cavity and the angle β of settling chamber's medullary ray are 30 ° ~ 45 °, filler is inclined plate packing or inclined tube filler, and the medullary ray being parallel to packing cavity is installed.
In above-mentioned water-saving potato starch extraction element, the installation site of described water leg should lower than the installation site of the starch isolation groove of water-saving potato starch extraction element, to ensure that the water in starch isolation groove can rely on action of gravity to flow in water leg.
The operation using above-mentioned water-saving potato starch extraction element to extract starch is as follows:
Water filling in starch isolation groove, water leg and dashpot, open driving mechanism head roll sieve around its axis with the rotational speed of 6 revs/min ~ 15 revs/min, from hopper to charging trommel screen, along with the rotation of trommel screen, volution advances bar the material of trommel screen feed end to be pushed to gradually the discharge end of trommel screen, most of starch in material enters in the water of starch isolation groove, the material extracted after starch enters dreg-liquid separator from the discharge end of trommel screen, and separating obtained amyloid water enters water leg; Material makes amyloid water starch isolation groove rely on action of gravity to enter water leg from opening the first bleed valve during the discharge end discharging of trommel screen, open the first infusion pump simultaneously, open the second bleed valve and open the second infusion pump, amyloid water in water leg is made to enter starch secondary sedimentation device respectively, making the water in dashpot enter shower also sprays on the material that moves in trommel screen, after starch isolation completes, collect starch.
Compared with prior art, the utility model has following beneficial effect:
1, the utility model provides a kind of drum-type potato starch extractor of novel texture, because trommel screen is revolving, its internal surface is provided with volution and advances bar, when rotating around its axis under the driving of trommel screen at driving mechanism, volution advances bar then to promote material and is moved to discharge end by the feed end of trommel screen, compared with prior art, the trommel screen of this kind of structure avoids the large problem of the water loss existing for advancing using water as powered material, has the advantage of water saving.
2, the trommel screen of drum-type starch isolation device described in the utility model is obliquely installed, the discharge end of trommel screen is higher than feed end, only some is immersed in the water of starch isolation groove trommel screen, and the aperture of trommel screen discharge end screen cloth is greater than the mesh size of feed end, thus can promote in discharge end potato slag water backflow or residual titration in starch isolation groove, the water ratio of potato slag can be reduced on the one hand, be conducive to preservation and the second stage employ of potato slag, on the other hand, backflow or residual titration can continue on for extracting starch to the water in starch isolation groove, be conducive to water saving.
3, the utility model additionally provides a kind of water-saving potato starch extraction element, because this device comprises above-mentioned drum-type starch isolation device and shower, have Static Water concurrently when extracting starch and embathe the dual-use function with running water rinse, a charging can realize the extracted twice of starch, and the mode of this device extraction starch is reverse extraction, pulverized potato class material moves from the feed end of trommel screen to discharge end, water in shower is moved to feed end by the discharge end of trommel screen, pulverized potato class material fully contacts in inverse motion with water, solid-liquid two-phase is constantly updated, because dreg-liquid separator isolated water from potato slag can carry out partial starch, thus starch isolation device described in the utility model can realize the abundant extraction of starch, have the advantages that water loss is little, starch isolation speed is fast and extraction yield is high, to the extraction yield of sweet potato starch up to more than 90%.
4, because water-saving potato starch extraction element described in the utility model comprises starch secondary sedimentation device, starch secondary sedimentation device combines with shower, achieve the reuse of extracting starch water, this device is adopted to extract sweet potato starch, process sweet potato per ton and only use about 3 tons, water, not only save the usage quantity of water, and greatly reduced the quantity discharged of waste water, effectively alleviate the problem that the water pollutions of prior art existence is serious.
5, because water-saving potato starch extraction element described in the utility model adopts starch secondary sedimentation device to be separated aqueous phase amyloid in water leg, in addition adopt the water loss of device described in the utility model extraction starch little, thus the floor space of whole device is little, thus efficiently solve the problem that in prior art, starch sedimentation pond floor space is excessive, be conducive to reducing production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of drum-type potato starch extractor described in the utility model;
Fig. 2 is the structural representation of starch isolation groove described in the utility model;
Fig. 3 is the structural representation of water-saving potato starch extraction element described in the utility model;
Fig. 4 is the structural representation of starch secondary sedimentation device described in the utility model;
Fig. 5 is the structural representation of settling chamber described in the utility model;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the outside view of settling chamber described in the utility model.
In figure, 1-drum-type potato starch extractor, 1-1-hopper, 1-2-screen cloth, 1-3-volution advances bar, 1-4-drive-motor, 1-5-starch isolation groove, 1-5-1-base plate, 1-5-2-front side board, 1-5-3-back side panel, 1-5-4-side plate, 1-5-5-posticum, 1-6-the first bleed valve, 1-7-discharge port, 1-8-bearing, 1-9-transmission rig, 1-10-skeleton, 1-11-the first support, 2-dreg-liquid separator, 3-water leg, 4-the first infusion pump, 5-starch secondary sedimentation device, 5-1-feed chamber, 5-2-upflow tube, 5-3-liquid discharge pipe, 5-4-settling chamber, 5-4-1-packing cavity, 5-4-2-liquid outlet, 5-4-3-filler, 5-4-4-fluid inlet, 5-4-5-starch collecting chamber, 5-4-6-starch discharge outlet, 5-5-the second support, 5-6-the second bleed valve, 6-dashpot, 7-the second infusion pump, 8-the first tubing, 9-the second tubing, 10-shower, 11-the three tubing.
Embodiment
Also by reference to the accompanying drawings the structure of drum-type potato starch extractor described in the utility model and water type potato starch extraction element is described further below by embodiment, and the using method of described water type potato starch extraction element is described.
In following each embodiment, described dreg-liquid separator is the LZ-1.5 spiral juice extractor purchased from Jingjiang Ai Lite Food Machinery Co., Ltd.; Described first infusion pump and the second infusion pump are the IBD125 self prime pump purchased from the dynamo-electric company limited of Ward, Huizhou City five metals.
Embodiment 1
In the present embodiment, the structure of described drum-type potato starch extractor as shown in Figure 1, comprise hopper 1-1, driving mechanism that trommel screen, head roll sieve rotate around its axis, starch isolation groove 1-5, bearing 1-8 and the first support 1-11; Described trommel screen advances bar 1-3 to form by cylinder frame 1-10, the nylon screen 1-2 covering cylinder frame outside surface and the volution that is arranged on cylinder frame internal surface, the length of described cylinder frame 1-10 is 4 meters, diameter is 0.6 meter, the stainless steel tube being 1.5 centimetres by internal diameter is welded, and the width of described volution propelling bar 1-3 is 0.1 meter, pitch is 0.15 meter; The structure of described starch isolation groove 1-5 as shown in Figure 2, the right-angle triangle front side board 1-5-2 that is 0.5 meter, 4 meters by the rectangular base plate 1-5-1 of long 4.05 meters, wide 1 meter, square edge, the square edge right-angle triangle back side panel 1-5-3 that is 0.5 meter, 4 meters, the cell body that the one end open that wide 1 meter with one, high 0.5 meter rectangular end side plate 1-5-4 is combined into, one end are closed, described posticum 1-5-5 is arranged on the plate 1-5-4 of side, and on posticum to side plate, the distance on edge is 18 centimetres.
Described starch isolation groove 1-5 is inclined and mounted on the first support 1-11, and the opening end of starch isolation groove is higher than blind end, and the discharge end of described trommel screen is positioned at the opening end of starch isolation groove; Described trommel screen tilts to install, its feed end is lower than discharge end, medullary ray and the horizontal angle α of trommel screen are 12 °, the feed end of trommel screen and immerse in the water that starch isolation groove 1-5 fills by portion's section of feed end, the discharge end of trommel screen is positioned at the top of starch isolation groove, immerse starch isolation groove 1-5 the portion's section filled in water be first 2.8 meters of trommel screen, the nylon screen aperture of this section is 80 orders, trommel screen do not immerse starch isolation groove the portion's section filled in water be latter 1.2 meters of trommel screen, this nylon screen aperture is 60 orders; Described driving mechanism comprises drive-motor 1-4 and transmission rig 1-9, transmission rig 1-9 is made up of speed reduction unit and the gear ring being sleeved on trommel screen discharge end, described bearing 1-8 is arranged in starch isolation groove 1-5, the feed end of bearing 1-8 and trommel screen combines, sieve for idler pulley, the sense of rotation of sieving at the effect bottom roll of drive-motor advances the rotation direction of bar 1-3 contrary with the volution being arranged on cylinder frame internal surface, and described hopper 1-1 is arranged on the feed end of trommel screen.
Embodiment 2
In the present embodiment, the structural representation of described water-saving potato starch extraction element as shown in Figure 3, comprises drum-type potato starch extractor 1 described in embodiment 1, dreg-liquid separator 2, water leg 3, first infusion pump 4, starch secondary sedimentation device 5, dashpot 6, second infusion pump 7, first tubing 8, second tubing 9, shower 10 and the 3rd tubing 11.
Described dreg-liquid separator 2 is arranged on the trommel screen discharge end in drum-type starch isolation device, and its slag inlet is positioned at the below of described trommel screen discharge port 1-7, and its water shoot connects with water leg 3; The posticum 1-5-5 that starch isolation groove 1-5 side plate 1-5-4 in described drum-type starch isolation device is arranged is connected with water leg 3 by the 3rd tubing 11, the 3rd tubing is provided with the first bleed valve 1-6.
The structure of described starch secondary sedimentation device 5 as shown in Figure 5, comprise feed chamber 5-1, three settling chamber 5-4 and the second support 5-5 for installing feed chamber and settling chamber, the structure of described settling chamber 5-4 as shown in Figure 6, its left view as shown in Figure 7, by packing cavity 5-4-1, the starch collecting chamber 5-4-5 connected with packing cavity lower end and the filler 5-4-3 be arranged in packing cavity forms, the top of described packing cavity is provided with liquid outlet 5-4-2, the bottom of described packing cavity is provided with fluid inlet 5-4-4, the bottom of described starch collecting chamber 5-4-5 is provided with starch discharge outlet 5-4-6, the medullary ray of settling chamber is plummet, the medullary ray of packing cavity and the angle β of settling chamber's medullary ray are 30 °, filler is inclined tube filler, the medullary ray that inclined tube is parallel to packing cavity is installed, described feed chamber 5-1 connects with the first tubing 8, feed chamber is adjacent with the first settling chamber, feed chamber is communicated with the fluid inlet 5-4-4 of the first settling chamber by upflow tube 5-2, the liquid outlet 5-4-2 of the first settling chamber is communicated with the fluid inlet of the second settling chamber, the liquid outlet of the second settling chamber is communicated with the fluid inlet of the 3rd settling chamber, the liquid outlet connected drainage pipe 5-3 of the 3rd settling chamber, liquid discharge pipe is provided with the second bleed valve 5-6, the fluid inlet of described first infusion pump 4 is connected with water leg 3, and its liquid outlet is connected by the feed chamber 5-1 of the first tubing 8 with starch secondary sedimentation device, and the liquid discharge pipe 5-3 of starch secondary sedimentation device 5 connects with dashpot 6.
The fluid inlet of described second infusion pump 7 is connected with dashpot 6, its liquid outlet is connected with the second tubing 9, the stainless steel tube that described shower 10 is 2 centimetres by internal diameter is made, the length of shower is 1.5 meters, its one end is closed, one end is not closed, the non-blind end of shower 10 is connected with the second tubing 9, blind end inserts trommel screen from the trommel screen discharge end drum-type starch isolation device, shower does not arrange spout hole in 0.3 meter of length of trommel screen discharge end end, shower is greater than in the length range of 0.3 meter to 1.2 meters near trommel screen feed end end and arranges spout hole, described spout hole is evenly arranged on the lower wall of body, the spacing of adjacent spout hole is 1 centimetre.
Embodiment 3
In the present embodiment, adopt water-saving potato starch extraction element described in embodiment 2 to extract sweet potato starch, the kind of described sweet potato is Xu-shu No.22, and concrete operations are as follows:
Sweet potato is pulverized, gets pulverized sweet potato and test its starch content; 0.43 ton of water is injected to starch isolation groove 1-5,0.99 ton of water is injected altogether in water leg 3 and dashpot 6, namely extract starch and share 1.42 tons, water, open the drive-motor 1-4 of drum-type potato starch extractor, trommel screen is rotated with its axis of the rotating speed of 6 revs/min, pulverized sweet potato material is added in trommel screen from hopper 1-1, in trommel screen, adds pulverized sweet potato 0.473 ton altogether, 3 hours consuming time of whole leaching process.Along with the rotation of trommel screen, volution advances bar 1-3 gradually by the discharge end being pushed to trommel screen by pulverizing sweet potato material of trommel screen feed end, in the process, be immersed in starch isolation groove fill and entered in the water of starch isolation groove by the nylon screen of starch through trommel screen under the effect of embathing pulverized in sweet potato material in water, starch is settled down to the bottom of starch isolation groove gradually.Along with the rotation of trommel screen, sweet potato residue after extracting starch falls into dreg-liquid separator 2 from the discharge port 1-7 of trommel screen, opens dreg-liquid separator and carries out flushing operation, obtain potato slag and amyloid water after water squeezing, collected separately by potato slag, amyloid water enters in water leg 3.Sweet potato residue opens the first bleed valve 1-6 from the discharge port of trommel screen during discharging makes amyloid water in starch isolation groove 1-5 rely on action of gravity to enter water leg 3, open the first infusion pump 4 simultaneously, open the second bleed valve 5-6 and open the second infusion pump 7, amyloid water in water leg is made to enter in starch secondary sedimentation device 5 respectively, the water in dashpot 6 is made to enter shower 10, spraying through embathing on the sweet potato residue extracting starch from the spout hole shower lower wall, realizing the second extraction of sweet potato starch.After in water leg, amyloid water enters in secondary sedimentation device 5, starch is wherein sedimentation gradually in packing cavity, and aqueous phase is clarified gradually, and the starch after sedimentation enters in the starch collecting chamber 5-4-5 of packing cavity lower end, and the water of clarification is collected by dashpot 6.After starch isolation, collect starch, detect the starch content in potato slag, calculating starch extraction rate is 90.45%.
The measuring method of described starch content can see Zhang L., Chen Q., Jin Y., et al.Energy-saving direct ethanol production from viscosity reduction mash of sweet potato at very high gravity (VHG) .Fuel Processing Technology.2010,91 (12): 1845-1850.Be specially: with pulverizer, sweet potato flour is broken into slurry, take about 10g potato slurry and be placed in 250mL ground Erlenmeyer flask, add HCl solution and 100mL distilled water that 30mL concentration is 6mol/L, load onto prolong, put in boiling water bath the 2h that refluxes to be hydrolyzed, reflux complete, cool with flowing water immediately, be cooled to after room temperature until hydrolyzed solution, adding NaOH regulates the pH value of hydrolyzed solution to be 7, then the plumbic acetate solution that 20mL concentration is 20wt% is added, shake up rear placement 10min, be transferred in 500mL volumetric flask, adding distil water is settled to 500mL, filter, discard just filtrate, collect 5mL filtrate and cross the good anti-phase C of pre-activate
18solid phase extraction column, discards 1 initial ~ 2mL, collects 3 ~ 4mL below, then uses the water system membrane filtration of 0.22 μm, finally utilizes the glucose content in HPLC mensuration filtrate, according to starch content=glucose content/1.1, calculates starch content.
Starch extraction rate (%)=(being pulverized sweet potato starch content-sweet potato residue weight * sweet potato residue starch content by pulverizing sweet potato weight *)/pulverized sweet potato starch content by pulverizing sweet potato weight *.
Claims (10)
1. a drum-type potato starch extractor, is characterized in that comprising hopper (1-1), starch isolation groove (1-5), bearing (1-8) and the first support (1-11) that driving mechanism that trommel screen, head roll sieve rotate around its axis, side are provided with posticum; Described trommel screen by cylinder frame (1-10), cover cylinder frame outside surface screen cloth (1-2) and be arranged on cylinder frame internal surface volution advance bar (1-3) form;
Described starch isolation groove (1-5) is arranged on the first support (1-11), described trommel screen tilts to install, its feed end is lower than discharge end, the feed end of trommel screen and immerse in the water that starch isolation groove (1-5) fills by portion's section of feed end, the discharge end of trommel screen is positioned at the top of starch isolation groove, one end of described driving mechanism and trommel screen is combined, described bearing (1-8) combines with the other end of trommel screen, advance the rotation direction of bar contrary in the sense of rotation of driving mechanism effect bottom roll sieve with the volution being arranged on cylinder frame internal surface, described hopper (1-1) is arranged on the feed end of trommel screen.
2. drum-type potato starch extractor according to claim 1, the medullary ray and the horizontal angle (α) that it is characterized in that described trommel screen are 5 ° ~ 15 °, immerse starch isolation groove (1-5) institute and fill the portion's section leaned between inlet end Duan Weicong trommel screen feed end end to trommel screen total length 1/2 ~ 7/10 place in water, the mesh size of this section is 80 order ~ 100 orders, trommel screen do not immerse starch isolation groove the mesh size of portion's section that fills in water be 50 order ~ 70 orders.
3. drum-type potato starch extractor according to claim 1 or 2, it is characterized in that described starch isolation groove (1-5) is the cell body that one end open, the one end be combined into by rectangular base plate (1-5-1), trilateral front side board (1-5-2), trilateral back side panel (1-5-3) and rectangular end side plate (1-5-4) is closed, described posticum is arranged on rectangular end side plate (1-5-4); Starch isolation groove (1-5) is inclined and mounted on the first support (1-11), and the opening end of starch isolation groove is higher than blind end, and the discharge end of described trommel screen is positioned at the opening end of starch isolation groove.
4. drum-type potato starch extractor according to claim 1 or 2, is characterized in that the rotating speed of described trommel screen is 6 revs/min ~ 15 revs/min.
5. drum-type potato starch extractor according to claim 3, is characterized in that the rotating speed of described trommel screen is 6 revs/min ~ 15 revs/min.
6. a water-saving potato starch extraction element, is characterized in that comprising drum-type potato starch extractor (1), dreg-liquid separator (2), water leg (3), the first infusion pump (4), starch secondary sedimentation device (5), dashpot (6), the second infusion pump (7), the first tubing (8), the second tubing (9), shower (10) and the 3rd tubing (11) described in arbitrary claim in claim 1 to 5;
Described dreg-liquid separator (2) is arranged on the trommel screen discharge end of drum-type starch isolation device, and its slag inlet is positioned at below described trommel screen discharge end, and its water shoot connects with water leg (3); The upper posticum arranged in starch isolation groove side plate (1-5-4) of described drum-type starch isolation device is connected with water leg (3) by the 3rd tubing (11);
The fluid inlet of described first infusion pump (4) is connected with water leg (3), its liquid outlet is connected with starch secondary sedimentation device (5) by the first tubing (8), and the liquid discharge pipe of starch secondary sedimentation device (5) connects with dashpot (6);
The fluid inlet of described second infusion pump (7) is connected with dashpot (6), and its liquid outlet is connected with the second tubing (9); One end of described shower (10) is closed, one end is not closed, body is provided with spout hole, and the non-blind end of shower (10) is connected with the second tubing (9), and blind end inserts trommel screen from the trommel screen discharge end of drum-type starch isolation device.
7. water-saving potato starch extraction element according to claim 6, it is characterized in that the length of described shower (10) is 1/4 ~ 1/2 of trommel screen length, described spout hole is positioned at the lower wall of shower.
8. water-saving potato starch extraction element according to claim 7, it is characterized in that shower (10) does not arrange spout hole apart from portion's section of trommel screen discharge end end l, the length of described l is 1/5 ~ 1/4 of shower length.
9. water-saving potato starch extraction element according to claim arbitrary in claim 6 to 8, it is characterized in that described starch secondary sedimentation device (5) comprises feed chamber (5-1), at least three settling chambers (5-4) and the second support (5-5) for installing feed chamber and settling chamber, described feed chamber (5-1) connects with described first tubing (8), first settling chamber adjacent with feed chamber is communicated with feed chamber by upflow tube (5-2), be communicated with by upflow tube (5-2) between two adjacent settling chambers, the liquid discharge pipe (5-3) of starch secondary sedimentation device is arranged on last settling chamber.
10. water-saving potato starch extraction element according to claim 9, it is characterized in that described settling chamber (5-4) is made up of packing cavity (5-4-1), the starch collecting chamber (5-4-5) connected with packing cavity lower end and the filler (5-4-3) be arranged in packing cavity, the medullary ray of settling chamber is plummet, the medullary ray of packing cavity and the angle (β) of settling chamber's medullary ray are 30 ° ~ 45 °, filler is inclined plate packing or inclined tube filler, and the medullary ray that filler is parallel to packing cavity is installed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420557600.3U CN204097381U (en) | 2014-09-25 | 2014-09-25 | Drum-type potato starch extractor and water-saving starch isolation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420557600.3U CN204097381U (en) | 2014-09-25 | 2014-09-25 | Drum-type potato starch extractor and water-saving starch isolation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250306A (en) * | 2014-09-25 | 2014-12-31 | 中国科学院成都生物研究所 | Drum-type potato starch extracter and water-saving starch extracting device |
| CN106146676A (en) * | 2016-08-02 | 2016-11-23 | 伊奇森 | A kind of track shell body of starch pressing device |
-
2014
- 2014-09-25 CN CN201420557600.3U patent/CN204097381U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250306A (en) * | 2014-09-25 | 2014-12-31 | 中国科学院成都生物研究所 | Drum-type potato starch extracter and water-saving starch extracting device |
| CN106146676A (en) * | 2016-08-02 | 2016-11-23 | 伊奇森 | A kind of track shell body of starch pressing device |
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