CN103736583A - Grain degritting system and degritting method thereof - Google Patents
Grain degritting system and degritting method thereof Download PDFInfo
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- CN103736583A CN103736583A CN201410017577.3A CN201410017577A CN103736583A CN 103736583 A CN103736583 A CN 103736583A CN 201410017577 A CN201410017577 A CN 201410017577A CN 103736583 A CN103736583 A CN 103736583A
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- sieve
- removing machine
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- sand removing
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Abstract
Disclosed are a grain degritting system and a degritting method thereof. A distributor is arranged above a degritting machine. The degritting machine comprises a machine trough, an air box and an air bag. A discharge chute is arranged above the machine trough and communicated with a product tank. The bottom of the machine trough is communicated with a soak solution delivery pipe. The air box is arranged above a screen and communicated with the bottom air bag of the machine trough. The air bag is fixed below the screen inside the machine trough and soaked in soak solution. The air bag is connected with one end of a tee, and other two ends of the tee are connected with an air source and the atmosphere through an intake valve and an exhaust valve in the air box, respectively. The lower portion of the screen is communicated with a screened content passage which is communicated with a grit chute. The grit chute is communicated with a bucket dewatering lift. A skimmer hopper is arranged in the bucket dewatering lift. The air bag is blown by air to form pulsating rising water flow to remove grit, the degritting method is simple, and energy conservation effect is significant.
Description
Technical field
The present invention relates to a kind of grain wet method deep processing desanding device and sand removing process using thereof, especially relate to the grain desanding systems such as a kind of corn, soybean, cassava and the method with its desanding.
Background technology
The raw material of corn, soybean, cassava deep processing pension parachute all contains a small amount of sandstone, and this part sandstone must remove at processing front row, otherwise can affect product quality and cause simultaneously wearing and tearing and the damage of follow-up equipment.Domestic further processing of grains enterprise adopts water to rush chute, hydrocyclone or the desanding of wind-force desanding device mostly at present, these equipment desanding effects are undesirable, its weak point one is in the sand of removing, to contain a large amount of corns, soybean, cassava, the 2nd, sandstone removes unclean, causes a large amount of wastes and equipment attrition.
Summary of the invention
Goal of the invention of the present invention is for the deficiencies in the prior art, one be to provide a kind of with air agitate airbag finally form pulsation ascending current make to sieve upper grain layer loose, closely alternately change and make the sandstone in grain sink to lower floor, thin silt particle is discharged under sieve by vibratory sieve sieve aperture, light grain flows out by overflow, the grain desanding system that sandstone is thoroughly separated from grain, two are to provide a kind of desanding method that adopts fluctuating flow to carry out desanding with grain desanding system.
Realize foregoing invention object by the following technical solutions:
A kind of grain desanding system, comprise surge bunker, material distributing machine, sand removing machine and dewatering bucket elevator and product pond, surge bunker is positioned at the top of material distributing machine, material distributing machine is positioned at the top of sand removing machine, it is characterized in that, described sand removing machine is comprised of sand removing machine cell body, bellows and airbag, and the top of sand removing machine cell body is provided with discharging chute, discharging chute communicates with product pond, and the bottom of sand removing machine cell body is connected with soak supply pipe; Bellows are positioned at the top of sieve plate, communicate with the bottom airbag of sand removing machine cell body, airbag is fixed on the below of sieve plate, be positioned at sand removing machine cell body, be soaked in soak, airbag leads to and is connected with one of three-way pipe, other two reduction of fractions to a common denominators of threeway are not connected with atmosphere with wind regime with drain tap by the intake valve that is positioned at bellows, the bottom of sieve plate communicates with saturating sieve thing passage, sieve thing passage is communicated with sediment outflow chute thoroughly, sediment outflow chute is connected with bucket type drainage elevator, is provided with leakage bagger in bucket type drainage elevator.
The soft container that described airbag is used waterproof cloth plastics or rubber to make.
Described airbag is arranged side by side multiple.
Described sand removing machine body is pyramidal structure.
By a method for grain desanding system desanding, desanding method comprises:
Close sand removing machine air bleeding valve, open intake valve, the gas of bellows enters airbag, the water that airbag expands around forcing in water rises water level, ascending current holds up the grain on sieve loose through sieve aperture, the sandstone being mixed in wherein sinks under Action of Gravity Field, and thin silt particle is discharged to the stone that is greater than sieve aperture under sieve in the tired sand stone layer that forms of compass screen surface heap by sieve aperture, and sand stone layer is at fluctuating flow and newly add after progressively moving to sediment outflow passage under sandstone push effect and get rid of by sediment outflow impeller;
Close intake valve, open air bleeding valve, the gas in airbag is discharged from air bleeding valve under the compressing of water around, and water level falls after rise, now completes a circulation;
Enter the material of sand removing machine by density stratification, thin silt particle is discharged under sieve by sieve aperture, and the stone that is greater than sieve aperture is piled up and formed sand stone layer at compass screen surface, and sand stone layer is got rid of by sediment outflow impeller at fluctuating flow with after newly adding sandstone push effect to be moved to sediment outflow passage;
Fine sand and mud are lowered by current with being pumped to the saturating sieve thing passage under sieve through gap between particle, the sandstone bucket type drainage elevator that is discharged to and is extracted under sieve is left the water, water flows back to bucket type drainage elevator by the hole of leaking bagger, the sandstone proposing directly abandons, and the product after desanding flows to product pond from overfall through discharging chute.
Adopt technique scheme, compared with prior art, remarkable result of the present invention is: utilize air to agitate airbag, form pulsation ascending current.Avoid air breakdown to destroy bed, and the phenomenon of metalling run out.Airbag supply position and direction, be not subject to the restriction of its liquid level, be not subject to the restriction of its liquid level, it can be any direction, air inlet valve is not subject to the restriction of water level, space can be made full use of, for large-scale sand removing machine, multiple airbags while same distance air feeds can be and discharged to guarantee the uniformity of pulsation broad ways; And airbag takes up space hardly and can not affect sieve thing passage after shrinking, the cross section that can be crowded with container after expansion, reaches energy-conservation object thereby needed blast is relatively little when meeting same rising liquid level.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the state diagram after sand removing machine inflation of the present invention.
Fig. 4 is the state diagram after sand removing machine exhaust of the present invention.
In figure, surge bunker 1, air bleeding valve 2, intake valve 3, bellows 4, compressed air input channel 5, sandstone thickness detection apparatus 6, waterline 7, discharging chute 8, product pond 9, sediment outflow impeller 10, sediment outflow passage 11, sieve thing passage 12 thoroughly, sand removing machine 13, airbag (air chamber) 14, sieve plate 15, material distributing machine 16, sandstone outlet 17, dewatering cone lifting machine 18, leak bagger 19, soak supply pipe 20, sediment outflow chute 21.
The specific embodiment
The invention discloses a kind of grain desanding system and the method with its desanding, its design philosophy is: agitate airbag with air, with airbag, realize flow fluctuation and reach the object of desanding, press to top to the underwater airbag qi of chong channel ascending adversely of installation water around and form pulsation ascending current, allowing airbag be communicated with the air in airbag under the effect of hydraulic pressure with atmosphere is extruded, water level falls after rise and forms sinking
Go round and begin again and formed fluctuating flow and reach the object of desanding.
Embodiment 1 grain desanding system
This desanding system is by surge bunker 1, material distributing machine 16, sand removing machine 13, dewatering bucket elevator 18 and product pond
9deng composition.Concrete structure is shown in Fig. 1, and surge bunker 1 is positioned at the top of material distributing machine 16, and material distributing machine 16 is positioned at the top of sand removing machine 13, and its effect is that supplied materials is fed to sand removing machine 13 along litter cleaning machine cell body overall with equably, and sand removing machine 13 is by sand removing machine cell body, bellows 4, sieve plate 15 and
airbag 14composition, sand removing machine cell body is pyramidal structure.Sand removing machine cell body top is rectangle, and bottom is up big and down small pyramidal structure, and the top of sand removing machine cell body is provided with discharging chute 8, and discharging chute 8 communicates with product pond 9
,the bottom of sand removing machine body is connected with soak supply pipe 20.Bellows 4 are positioned at the top of sieve plate 15, communicate with the bottom of sand removing machine cell body, and air bleeding valve 2 and intake valve 3 are installed in bellows 4.One side of bellows 4 is provided with compressed air input channel 5, and the bottom of bellows 4 is provided with the sandstone thickness monitor instrument 6 of butterfly valve and monitoring sandstone thickness.Airbag 14 is fixed on the below of sieve plate 15, be positioned at sand removing machine cell body, be arranged side by side multiple, be soaked in soak, airbag 14 is the soft containers that use waterproof cloth plastics or rubber to make, with logical being connected of three-way pipe, other two reduction of fractions to a common denominators of threeway are not connected with atmosphere with wind regime with air bleeding valve 2 by the intake valve 3 that is positioned at bellows 4.The bottom of sieve plate 15
with sieve thing passage 12 communicates thoroughly, thoroughly sieves thing passage 12 and communicates with sediment outflow chute 21, and sediment outflow chute 21 is connected with bucket type drainage elevator 18, is provided with Lou bagger 19 in bucket type drainage elevator 18.The top of sieve thing passage 12 is provided with motor-driven sediment outflow impeller 10 thoroughly.
See Fig. 1, the top of sieve plate 15 is material beds for the treatment of sorting, and the water level water breakthrough line 7 flowing into from soak supply pipe 20 did not have bed.Close sand removing machine air bleeding valve 2, while opening intake valve 3, the gas of bellows 4 enters airbag 14, and the state after inflation is shown in Fig. 3, and the water level that airbag 14 expands around forcing in water rises, ascending current holds up the grain on sieve through the sieve aperture of sieve plate 15, makes the mobility of bed on sieve plate 14.
When intake valve 3 close air bleeding valve 2 while opening the gas in airbag 14 under the compressing of water, from air bleeding valve 2, discharge around, water level falls the state of seeing after Fig. 4 exhaust after rise, now complete a circulation, by control into, air bleeding valve 3, 2 repeat above action, periodically pulsing current have just been formed, thereby make the material that enters sand removing machine by density stratification, thin silt particle is discharged under sieve by the sieve aperture of sieve plate 15, the stone that is greater than sieve aperture is piled up and is formed sand stone layer at compass screen surface, sand stone layer is got rid of by sediment outflow impeller 10 at fluctuating flow with after newly adding sandstone push effect to be moved to discharging chute, fine sand and mud are lowered by current with being pumped to the saturating sieve thing passage 12 under sieve through gap between particle.The sandstone bucket type drainage elevator 18 that is discharged to and is extracted under sieve is left the water, and water flows back to dewatering cone lifting machine 18 by the hole of leaking bagger 19, and the sandstone of proposition can directly abandon, and the product after desanding flows to product pond 9 from overfall along discharging chute 8.
Above-described embodiment has only been expressed one embodiment of the present invention, but can not therefore be interpreted as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. a grain desanding system, comprise surge bunker, material distributing machine, sand removing machine and dewatering bucket elevator and product pond, surge bunker is positioned at the top of material distributing machine, material distributing machine is positioned at the top of sand removing machine, it is characterized in that, described sand removing machine is comprised of sand removing machine cell body, bellows and airbag, and the top of sand removing machine cell body is provided with discharging chute, discharging chute communicates with product pond, and the bottom of sand removing machine cell body is connected with soak supply pipe; Bellows are positioned at the top of sieve plate, communicate with the bottom airbag of sand removing machine cell body, airbag is fixed on the below of sieve plate, be positioned at sand removing machine cell body, be soaked in soak, airbag leads to and is connected with one of three-way pipe, other two reduction of fractions to a common denominators of threeway are not connected with atmosphere with wind regime with drain tap by the intake valve that is positioned at bellows, the bottom of sieve plate communicates with saturating sieve thing passage, sieve thing passage is communicated with sediment outflow chute thoroughly, sediment outflow chute is connected with bucket type drainage elevator, is provided with leakage bagger in bucket type drainage elevator.
2. a kind of grain desanding system according to claim 1, is characterized in that, described airbag is the soft container that uses waterproof cloth plastics or rubber to make.
3. a kind of grain desanding system according to claim 2, is characterized in that, described airbag is arranged side by side multiple.
4. a kind of grain desanding system according to claim 1, is characterized in that, described sand removing machine cell body is pyramidal structure.
5. the method with the desanding of grain desanding system as claimed in claim 1, is characterized in that, desanding method comprises:
A. close sand removing machine air bleeding valve, open intake valve, the gas of bellows enters airbag, the water level that airbag expands around forcing in water rises, ascending current holds up the grain on sieve through sieve aperture loose, and the sandstone being mixed in wherein sinks under Action of Gravity Field, and thin silt particle is discharged under sieve by sieve aperture, the stone that is greater than sieve aperture is in the tired sand stone layer that forms of compass screen surface heap, and sand stone layer is at fluctuating flow and newly add after progressively moving to sediment outflow passage under sandstone push effect and get rid of by sediment outflow impeller;
B. close intake valve, open air bleeding valve, the gas in airbag is discharged from air bleeding valve under the compressing of water around, and water level falls after rise, now completes a circulation;
C. enter the material of sand removing machine by density stratification, thin silt particle is discharged under sieve by sieve aperture, the stone that is greater than sieve aperture is piled up and is formed sand stone layer at compass screen surface, and sand stone layer is got rid of by sediment outflow impeller at fluctuating flow with after newly adding sandstone push effect to be moved to sediment outflow passage;
D. fine sand and mud are lowered by current with being pumped to the saturating sieve thing passage under sieve through gap between particle, the sandstone bucket type drainage elevator that is discharged to and is extracted under sieve is left the water, water flows back to bucket type drainage elevator by the hole of leaking bagger, the sandstone proposing directly abandons, and the product after desanding is from flowing to product pond by discharging chute.
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| CN201410017577.3A CN103736583B (en) | 2014-01-15 | 2014-01-15 | A kind of grain desanding system and the method with its desanding |
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| CN201410017577.3A CN103736583B (en) | 2014-01-15 | 2014-01-15 | A kind of grain desanding system and the method with its desanding |
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| CN103736583B CN103736583B (en) | 2015-08-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313194A (en) * | 2014-11-04 | 2015-01-28 | 中国轻工业南宁设计工程有限公司 | Desanding method and equipment for sweet sorghum stalk juice |
| CN106111311A (en) * | 2016-08-05 | 2016-11-16 | 姚劲 | A kind of knot screen utilizing hydraulic pressure separation and Extraction corn cob and impurity-removing method |
| CN106902973A (en) * | 2017-05-06 | 2017-06-30 | 安徽中粮生化燃料酒精有限公司 | Corn ion device |
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| DE2641068A1 (en) * | 1976-09-11 | 1978-03-16 | Alpine Ag | Air sifter for granular material - uses settling tank for conveying channels and removal of oversized particles |
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| CN202700631U (en) * | 2012-07-25 | 2013-01-30 | 张汉泱 | Vertical centrifugal jigging machine |
| CN203155342U (en) * | 2012-12-19 | 2013-08-28 | 山东鑫佳选煤设备有限公司 | Intelligent jigging waste-rock-picker |
| CN203695203U (en) * | 2014-01-15 | 2014-07-09 | 江苏韦欧机械有限公司 | System for removing sand in grains |
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2014
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Patent Citations (6)
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| DE2641068A1 (en) * | 1976-09-11 | 1978-03-16 | Alpine Ag | Air sifter for granular material - uses settling tank for conveying channels and removal of oversized particles |
| JP2000051731A (en) * | 1998-08-07 | 2000-02-22 | Kyoboshi:Kk | Gravity sorting device of aggregate |
| CN102688847A (en) * | 2012-04-26 | 2012-09-26 | 中石油东北炼化工程有限公司吉林设计院 | Dry cassava raw material screening device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104313194A (en) * | 2014-11-04 | 2015-01-28 | 中国轻工业南宁设计工程有限公司 | Desanding method and equipment for sweet sorghum stalk juice |
| CN106111311A (en) * | 2016-08-05 | 2016-11-16 | 姚劲 | A kind of knot screen utilizing hydraulic pressure separation and Extraction corn cob and impurity-removing method |
| CN106902973A (en) * | 2017-05-06 | 2017-06-30 | 安徽中粮生化燃料酒精有限公司 | Corn ion device |
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| CN103736583B (en) | 2015-08-12 |
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Effective date of registration: 20180123 Address after: Room 702, room 1388, No. 32, New Village Road, Putuo District, Shanghai, Shanghai Patentee after: Yao Jin Address before: 226200 Nantong City, Jiangsu Province, Qidong City Hui Ping Industrial Park Patentee before: Jiangsu Weiou Machinery Co., Ltd. |