CN110140531A - A kind of double inlet cyclone cleaning plants and ratooning rice combined harvester - Google Patents
A kind of double inlet cyclone cleaning plants and ratooning rice combined harvester Download PDFInfo
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- CN110140531A CN110140531A CN201910466573.6A CN201910466573A CN110140531A CN 110140531 A CN110140531 A CN 110140531A CN 201910466573 A CN201910466573 A CN 201910466573A CN 110140531 A CN110140531 A CN 110140531A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 57
- 241000196324 Embryophyta Species 0.000 title claims abstract description 48
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 43
- 235000009566 rice Nutrition 0.000 title claims abstract description 43
- 238000009340 sequential cropping Methods 0.000 title claims abstract description 31
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 5
- 235000013339 cereals Nutrition 0.000 claims description 35
- 239000012535 impurity Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 241001124569 Lycaenidae Species 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 5
- 238000003306 harvesting Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 240000000359 Triticum dicoccon Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/48—Air conduits or blowers for grain
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
- Cyclones (AREA)
Abstract
The present invention provides a kind of double inlet cyclone cleaning plants and ratooning rice combined harvesters, including cylinder, the cylinder of the cylinder is equipped with two entrances, two entrances by connecting along the inlet duct that cylinder radially extends with device of winnowing or by connecting after crossing along the inlet duct that cylinder radially extends with device of winnowing, generate symmetrical vortex flow field for making respectively in cylinder.The present invention can make full use of ratooning rice emersion object the characteristics of with light miscellaneous remaining and short stem being main, simplify cropper structure while guaranteeing to clean effect using the method for air flow cleaning, reduce main screw lift.
Description
Technical field
The present invention relates to agricultural equipment technology field, in particular to a kind of double inlet cyclone cleaning plants and ratooning rice joint
Cropper.
Background technique
Ratooning rice is cultivated using the resting bud survived on rice stub after harvesting, and a kind of water mature again of earing is allowed to
Rice varieties have many merits compared to traditional rice, and in recent years, rice yield reaches bottleneck, and planting ratooning rice can effectively improve
Multiple crop index improves rice yield.But when harvesting first rice crop, cropper is inevitable to rolling for rear rice stub is cut, and is
Guarantee that the rice stub after being rolled can ear again in the second season, avoids losing, lightweight is regarded as ratooning rice harvester
Significant design requirement.
Cleaning plant is the important component of rice-wheat combine harvester, and the superiority and inferiority of performance directly affects the work of complete machine
Industry effect.A large amount of result of study and practice that exterior syndrome is bright, and Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve stability high-adaptability is strong, be current institute extensively
The cleaning plant used, it is bulky that but its structure is complex, higher to power and space requirement, is not able to satisfy and gathers in ratooning rice
Machine lightweight demand.
There is the agriculture requirement of high-stubble in the ratooning rice first season when gathering in, i.e., only gather in the length of rice spike or less about 40cm
Degree, compared with harvesting traditional rice, the seed content in ratooning rice emersion object is very big, can reach 80% or so, remaining is generally
Light miscellaneous remaining and short stem combination, therefore, under suitable feed quantity, harvest ratooning rice is more suitable for compared to traditional rice is harvested
Use cyclonic separation cleaning plant.
Whirlwind cleaning plant have begun at present gradually be applied to small-sized cropper on, but its still have design it is unreasonable it
Place, agriculturally widely used single entry cyclone separating tube, the upper end of cylinder connect impurity adsorbing blower now, and entrance is located at cylinder cylinder
Section, is tangentially protruded into cylinder, and entrance is connected by winnowing pipeline with device of winnowing, in the collective effect of impurity adsorbing blower and device of winnowing
Under, the spiral up draft along the spiral down current of barrel and positioned at cylinder central axes is generated in cyclone separating tube.Emersion object by
Device of winnowing is shed to scourclean, and the big emersion object patch barrel rotation of the quality such as grain is glided, and falls into silo by grain outlet, gentlier
Impurity then siphoned away and be discharged by the high-speed flow that suction ventilator generates.Flow field inside common cyclone separating tube is also asymmetric
, there are certain bias for spiral up draft, this will necessarily have some impact on the effect of cleaning of the cleaning plant, such as high
Seed on barrel is rolled and is caused damages by fast air-flow, or so that stalk is suspended in lower section grain outlet and accumulated and fall reduction cleaning
Rate.
In addition, traditional cyclone separating tube for big feed quantity emersion object to clean effect also poor, on the one hand, in whirlwind point
From in cylinder, in order to which the enough air-flows that is effectively raised of light miscellaneous complementary energy are sucked out, need to guarantee that central vortex reaches miscellaneous remaining highest drift
Floating speed, is limited by the power of small harvester and the power of impurity adsorbing blower, in a certain range, the diameter of cyclone separating tube is got over
Small then its internal flow field characteristic is better, and the wind speed of central vortex is higher, at this moment due to the limitation of cylinder itself and entrance opening dimension,
The cleaning plant will necessarily generate clogging when cleaning big feed quantity emersion object, to be unable to reach job requirement；It is another
Aspect, it is to increase barrel diameter and entrance opening dimension that traditional whirlwind cleaning plant, which copes with big feed quantity emersion object most straightforward approach,
This method can effectively solve feed quantity it is big when the blockage problem that occurs, but can also reduce the wind speed of body centre vortex simultaneously, make
The grain outlet from below such as higher stalk of floating velocity is fallen, and the clean rate of cleaning plant is reduced, if increasing cylinder
More powerful impurity adsorbing blower has been selected in order to guarantee the wind speed of central vortex on the basis of diameter, then has been not only increased entire
The weight of dressing mechanism, while bigger burden is brought for the power of combined harvester, thus lose whirlwind cleaning plant
The advantage of itself.
To solve the above problems, agriculturally also having at this stage using symmetric double entrance cut-in type cyclone separating tube, but the knot
The inlet duct of structure is cut directly into cylinder, lacks transition too close to the center line of cylinder and sheds the cereal of entrance by device of winnowing
It is dispersed in the entire radius length of whirlwind scourclean, the volume of ascending eddy is larger at body centre in addition, in cylinder
Material seed at axis is easily discharged with ascending air from gettering mouth, to increase cleaning loss percentage.
Summary of the invention
In response to the deficiencies in the existing technology, the present invention provides a kind of double inlet cyclone cleaning plants and ratooning rice to combine
Cropper avoids the flowing of the airflow asymmetry in traditional whirlwind cleaning plant by using symmetrical double entrances, improves
Clean effect.
The present invention achieves the above technical objects by the following technical means.
A kind of double inlet cyclone cleaning plants, including cylinder, the cylinder of the cylinder are equipped with two entrances, and two
The entrance is connect by the inlet duct radially extended along cylinder with device of winnowing respectively, and symmetrical point is generated in cylinder for making
The vortex flow field of cloth.
Further, the inlet duct is that the spiral volute shape side wall radially extended along cylinder and cylinder wall surface are constituted
Pipeline；The cylinder of the cylinder is symmetrically arranged with two entrances, and the inlet duct is arranged symmetrically on the cylinder of two entrances.
A kind of double inlet cyclone cleaning plants, including cylinder, the cylinder of the cylinder are equipped with two entrances, and two
The entrance is symmetrical for making to generate in cylinder by connecting after crossing along the inlet duct that cylinder radially extends with device of winnowing
The vortex flow field of distribution.
Further, the inlet duct is that the spiral volute shape side wall radially extended along cylinder and cylinder wall surface are constituted
Pipeline, the inlet duct are double-skin duct；The cylinder of the cylinder is symmetrically arranged with two entrances, the entrance on a cylinder
With one layer of inlet duct outlet, entrance and another layer of inlet duct outlet on another cylinder enter for described two layers
Mouth conduit entrance merging is connect after crossing with device of winnowing.
Further, the inlet duct width is tapered along Flow of Goods and Materials direction.
Further, gib block is equipped in the grain outlet of the cylinder.
Further, the gib block is hand of spiral spirally-guided item identical with backspin air flow direction in cylinder.
Further, 20 ° to 30 ° of the helical angle of the gib block, the width 20mm to 30mm of the gib block.
Further, the grain outlet of the cylinder is nearby evenly distributed with several ventholes；The separation tube inner surface can adhere to resistance to
Grind liner.
Further, the impurity discharging port minimum diameter of the cylinder are as follows:
In formula: d1For impurity discharging port minimum diameter, m；
v1For the short stem maximum floating velocity inputted in cylinder, m/s；
V0To clean required minimum air quantity, m3/s。
Further, the grain outlet diameter of the cylinder are as follows:
In formula: d2For grain outlet diameter, m；
v2For ratooning rice seed full supporting velocity, m/s.
Further, the inlet duct is connect by winnowing pipeline with device of winnowing, connect with inlet duct described in winnow
One section of arc-shaped pipe of pipeline flows into suffered resistance during cylinder for reducing material and air-flow；The pipeline of winnowing
Cross-sectional area gradually successively decreases along logistics direction.
A kind of ratooning rice combined harvester installs double inlet cyclone cleaning plants.
The beneficial effects of the present invention are:
1. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, can make full use of ratooning rice
Emersion object is received with the characteristics of gently miscellaneous remaining and short stem is main using the method for air flow cleaning is simplified while guaranteeing to clean effect
Machine structure is obtained, main screw lift is reduced.
2. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, by using symmetrical
Double entrances avoid the flowing of the airflow asymmetry in traditional whirlwind cleaning plant, and effect is cleaned in raising.
3. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, by adjusting volume damper
Door, can quickly meet the work requirements under the conditions of different feed quantities.
4. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, the impurity discharging port of cylinder and go out
By cleaning, the suspension coefficient of required airflow and material each component determines grain mouth diameter, has specific design considerations, more meets regeneration
The characteristic of rice emersion object.
5. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, side tube-wall is arranged under cylinder
Have hand of spiral gib block identical with backspin air flow direction in cylinder, can be well solved the problem of stalk is accumulated in cylinder to
Improve clean rate.
6. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, cylinder lower cone section is along axial
The venthole for having opened up layered distribution avoids stalk in the accumulation of grain outlet, stalk is made to be easier to be raised spiral air flow suction
It walks to improve clean rate.
7. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, separation tube inner surface passes through attached
Wear-resistant liner, on the one hand can reduce the barrel resistance raw to air-flow and material miscarriage, on the other hand can prevent inner wall quilt
Abrasion improves device lifetime.
8. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, cylinder inlet duct protrusion
Barrel can guarantee emersion object when entering cylinder as far as possible far from cylinder central axes, reduce seed by central vortex siphon away can
Energy property, to reduce loss late.
9. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, two entrances duct width edge
Material stream direction is tapered, so that material stream has an accelerator before entering cylinder, seed under the influence of centrifugal force
More close to barrel, to reduce loss late.
10. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, pipeline of winnowing is close to separation
One section of cylinder inlet duct reduces material and air-flow flows into institute during cylinder in the arc for being smoothly transitted into horizontal direction
The resistance being subject to.
11. double inlet cyclone cleaning plants of the present invention and ratooning rice combined harvester, the cross section for pipeline of winnowing
Product uniformly reduces along material stream direction, can reduce the suffered local resistance loss of gas flowing.
Detailed description of the invention
Fig. 1 is double inlet cyclone cleaning plant structure charts described in the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of cylinder described in the embodiment of the present invention 1.
Fig. 3 is the main view of Fig. 2.
Fig. 4 is the cross-sectional view of Fig. 3.
Fig. 5 is double inlet cyclone cleaning plant structure charts described in the embodiment of the present invention 2.
Fig. 6 is the structural schematic diagram of cylinder described in the embodiment of the present invention 2.
Fig. 7 is the main view of Fig. 6.
Fig. 8 is the cross-sectional view of Fig. 7.
In figure:
1- impurity adsorbing blower；2- air-suction duct；3- cylinder；4- winnows pipeline；5- winnows device；The defeated grain auger of 6-；21- air quantity
Regulating valve；31- impurity discharging port；32- inlet duct；33- side wall；34- gib block；35- venthole；36- grain outlet.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
As shown in Figure 1, double inlet cyclone cleaning plants described in the embodiment of the present invention 1, including impurity adsorbing blower 1, cylinder
3, winnow device 5 and defeated grain auger 6, the defeated grain auger 6 for the material after threshing to be transported in device 5 of winnowing from picking-up container,
The 3 upper end impurity discharging port 31 of cylinder is connected by air-suction duct 2 with impurity adsorbing blower 1, and the cylinder 3 on cylindrical section radially extends
And symmetrical two entrances pipeline 32, each inlet duct 32 are connect with device 5 of winnowing by winnowing pipeline 4, are raised
Paddy device 5 is co-axially mounted with defeated grain auger 6, and two defeated grain augers 6 can be separately mounted in two picking-up containers, can also be installed in parallel
In the same picking-up container.The impurity adsorbing blower 1 uses induction type general-purpose type centrifugal blower, has uniform wind in air draught section
Speed, to ensure to siphon away light miscellaneous remaining work well；The air-suction duct 2 connects impurity adsorbing blower 1 and cylinder 3, with
Adapt to the installation requirement of combined harvester；The air-suction duct 2 is equipped with volume damper 21, and the volume damper 21 is
Round list leaf volume damper, structure are simply convenient for controlling, and are not easy to hinder light miscellaneous siphoned away by impurity adsorbing blower 1；It is described to winnow
Pipeline 4 should be arc-shaped shape close to one section of 3 inlet duct of cylinder, to guarantee abjection material by the oblique upthrow of device of winnowing
Horizontal direction can be smoothly transitted into after spilling to enter in cylinder along the tangential of cylinder, and its cross-sectional area is equal along material stream direction
Suffered resistance during even reduction, reduction material and air-flow inflow cylinder 3；The device 5 of winnowing is using spoke plate of winnowing
Device upper while equipped with winnow blade and wind feeding blades of winnowing, to be optimized by the air inflow for improving cylinder 3 to big feeding
Amount material cleans effect.
As shown in Fig. 2, 3 upper-lower section of cylinder is conical structure, middle section is cylindrical structure, 3 upper section of cylinder
Equipped with impurity discharging port 31,3 lower section of cylinder sets grain outlet 36, the grain outlet 36 or impurity discharging port 31 is tapered is connected to cylinder
Middle section structure.The inlet duct 32 is the pipe that the spiral volute shape side wall 33 radially extended along cylinder and cylinder wall surface are constituted
Road；The cylinder of the cylinder 3 is symmetrically arranged with two entrances, and the inlet duct 32 is arranged symmetrically on the cylinder of two entrances.
As shown in figure 4, the side wall 33 far from tubular axis protrudes cylindrical section barrel, the side wall 33 helically volute shape, two sidewalls 33
Mutual cooperation constitutes the two entrances pipeline 32 of cylinder 3.3 impurity discharging port of cylinder, 31 diameter and 36 diameter of grain outlet are by cleaning
Institute's required airflow and material suspended velocity determine.
31 minimum diameter of impurity discharging port of the cylinder 3 are as follows:
In formula: d1For 31 minimum diameter of impurity discharging port, m；
v1For the short stem maximum floating velocity inputted in cylinder 3, m/s；
V0To clean required minimum air quantity, m3/s。
36 diameter of grain outlet of the cylinder (3) are as follows:
In formula: d2For 36 diameter of grain outlet, m；
v2For ratooning rice seed full supporting velocity, m/s.
As shown in figure 3, side tube-wall is provided with 20 ° to 30 ° of helical angle under 3 inlet duct of cylinder, width 20mm is extremely
30mm, hand of spiral gib block 34 identical with backspin air flow direction in cylinder.When work, seed can be along gib block 34 and backspin
Air-flow is moved to together at the grain outlet 36 of lower section, while gib block 34 is avoided that the stalk in emersion object close to barrel, by stalk
It guides the upper bumpy flow at central axes into, is conducive to stalk and is sucked out by air-flow, well solve the problem of stalk is accumulated in cylinder；Point
The venthole 35 of layered distribution is also opened up along axial direction from 3 lower cone section of cylinder, the cushioning effect of generation avoids stalk in grain outlet
36 accumulation makes stalk be easier to be raised spiral air flow and siphon away.
As shown in figure 4, the two sidewalls 33 helically volute shape and symmetrical, two sidewalls 33 and barrel phase interworking
It closes and constitutes two width inlet duct 32 tapered along Flow of Goods and Materials direction of cylinder 3.The benefit designed in this way makes two
The change width of inlet duct is uniform, reduces resistance, guarantees passing through for material stream and air-flow, and rotating into material
During by the bigger seed of centrifugal force be close to cylinder inner wall far from central axes, avoid being raised vortex and siphon away.
The course of work:
After material after threshing falls into picking-up container, the two defeated grain augers 6 installed in parallel by picking-up container bottom are divided into two
Divide and transported to coaxial mounted device 5 of winnowing respectively, reduces the burden for device of singly winnowing；5 one side of device of winnowing passes through leaf of winnowing
The rotation of piece sheds material to cylinder 3 along pipeline 4 of winnowing, on the other hand by the rotation of wind feeding blades by air-flow edge
Pipeline 4 of winnowing inputs in cylinder 3；After two strands of air-flows and material stream are rotated by 90 ° along symmetrical inlet duct around cylinder
Into in cylinder, that is, the shortcomings that avoiding traditional single entry cylinder airflow asymmetry, and increase the gas stream into cylinder 3
Amount especially improves the whirlwind cleaning plant problem ineffective for big feed quantity sorting purpose；Material stream enters cylinder 3
The lower rotational gas flow along barrel flowing is snapped down at grain outlet 36 with seed along 34 spiral of gib block afterwards, stalk and it is light it is miscellaneous it is remaining then
It is swept away and be discharged from impurity discharging port 31 by the upper rotational gas flow at cylinder central axes, flow velocity of rotational gas flow is mainly by impurity adsorbing blower on this
1 determines.
As shown in figure 5, double inlet cyclone cleaning plants described in the embodiment of the present invention 2, including impurity adsorbing blower 1, cylinder
3, winnow device 5 and defeated grain auger 6, the defeated grain auger 6 for the material after threshing to be transported in device 5 of winnowing from picking-up container,
The 3 upper end impurity discharging port 31 of cylinder is connected by air-suction duct 2 with impurity adsorbing blower 1, and the cylinder 3 on cylindrical section radially extends
And symmetrical two entrances pipeline 32, two inlet ducts 32 are connected by winnowing pipeline 4 with device 5 of winnowing after converging
It connects, device 5 of winnowing is co-axially mounted with defeated grain auger 6.The impurity adsorbing blower 1 uses induction type general-purpose type centrifugal blower, air draught section
There is uniform wind speed, inside to ensure to siphon away light miscellaneous remaining work well；The air-suction duct 2 connects impurity adsorbing blower 1 and cylinder 3
It picks up and, to adapt to the installation requirement of combined harvester；The air quantity adjusting mechanism 23 is round single leaf volume damper, knot
Structure is simply convenient for controlling, and is not easy to hinder light miscellaneous siphoned away by impurity adsorbing blower 1.
As shown in Figure 6 and Figure 7, the inlet duct 32 divides for interior inlet duct and outer inlet duct；The interior inlet tube
Road is the spiral volute shape inside side walls 33 radially extended along cylinder and the pipeline that cylinder wall surface is constituted；The outer inlet duct
The pipeline constituted for the spiral volute shape outside side wall 33 and inside side walls 33 and cylinder wall surface that are radially extended along cylinder；It is described
The cylinder of cylinder 3 is symmetrically arranged with two entrances, and the entrance on a cylinder is connected to interior inlet duct, on another cylinder
Entrance is connected to outer inlet duct, and the interior inlet duct and outer inlet duct cross.As shown in figure 8, ipsilateral double-entry point
Two width inlet duct 32 tapered along Flow of Goods and Materials direction, interior inlet duct ring are constituted from the mutual cooperation of 3 inside and outside wall of cylinder
Tangentially enter in cylinder after 90 ° of cylinder along cylinder, outer inlet duct tangentially enters in cylinder after 270 ° of cylinder along cylinder.
The benefit designed in this way keeps the change width of two inlet ducts uniform, reduces resistance, guarantees passing through for material stream and air-flow.
The course of work:
After material after threshing falls into picking-up container, is transported by the defeated grain auger 6 of picking-up container bottom to coaxial mounted and raised
At paddy device 5；5 one side of device of winnowing is shed material to cylinder 3 along pipeline 4 of winnowing by the rotation for blade of winnowing, separately
On the one hand air-flow is inputted in cylinder 3 along pipeline 4 of winnowing by the rotation of wind feeding blades；Air-flow and material stream are in pipeline of winnowing
4 ends are divided into two parts, a part along outer inlet duct around cylinder rotate 270 ° after enter in cylinder, it is a part of along interior inlet tube
Road around cylinder be rotated by 90 ° after enter in cylinder, so that two plume amounts along the tangentially symmetrical entrance of cylinder, avoid traditional single entry separation
It the shortcomings that cylinder airflow asymmetry, improves and cleans effect；Material stream enter after cylinder 3 along the lower rotational gas flow of barrel flowing with
Seed is snapped down at grain outlet 36 along 34 spiral of gib block, stalk and light miscellaneous remaining is then rolled up by the upper rotational gas flow at cylinder central axes
It walks and is discharged from impurity discharging port 31, flow velocity of rotational gas flow is mainly determined by impurity adsorbing blower 1 on this.
A kind of ratooning rice combined harvester installs double inlet cyclone cleaning plants of the present invention.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (13)
1. a kind of double inlet cyclone cleaning plants, which is characterized in that including cylinder (3), set on the cylinder of the cylinder (3)
There are two entrance, two entrances are connect by the inlet duct (32) radially extended along cylinder with device of winnowing (5) respectively, are used
In making, cylinder (3) is middle to generate symmetrical vortex flow field.
2. double inlet cyclone cleaning plants according to claim 1, which is characterized in that the inlet duct (32) is along cylinder
The pipeline that the spiral volute shape side wall (33) and cylinder wall surface that body radially extends are constituted；The cylinder of the cylinder (3) is symmetrical
Equipped with two entrances, the inlet duct (32) are arranged symmetrically on the cylinder of two entrances.
3. a kind of double inlet cyclone cleaning plants, which is characterized in that including cylinder (3), set on the cylinder of the cylinder (3)
There are two entrance, two entrances by being connect after crossing along the inlet duct (32) that cylinder radially extends with device of winnowing (5),
For making to generate symmetrical vortex flow field in cylinder (3).
4. double inlet cyclone cleaning plants according to claim 2, which is characterized in that the inlet duct (32) is along cylinder
The pipeline that the spiral volute shape side wall (33) and cylinder wall surface that body radially extends are constituted, the inlet duct (32) are bimetallic tube
Road；The cylinder of the cylinder (3) is symmetrically arranged with two entrances, and the entrance and one layer of inlet duct outlet on a cylinder connect
It is logical, entrance and another layer of inlet duct outlet on another cylinder, after two layers of inlet duct import merging crosses
It is connect with device of winnowing (5).
5. double inlet cyclone cleaning plants according to claim 1 or 3, which is characterized in that the inlet duct (32) is wide
It spends tapered along Flow of Goods and Materials direction.
6. double inlet cyclone cleaning plants according to claim 1 or 3, which is characterized in that cylinder (3) put out cereal
Gib block (34) are equipped in mouth (36).
7. double inlet cyclone cleaning plants according to claim 6, which is characterized in that the gib block (34) is spiral side
To spirally-guided item (34) identical with backspin air flow direction in cylinder.
8. double inlet cyclone cleaning plants according to claim 7, which is characterized in that the helical angle of the gib block (34)
20 ° to 30 °, the width 20mm to 30mm of the gib block (34).
9. double inlet cyclone cleaning plants according to claim 1 or 3, which is characterized in that cylinder (3) put out cereal
Mouth (36) is nearby evenly distributed with several ventholes (35)；Cylinder (3) inner surface can adhere to wear-resistant liner.
10. double inlet cyclone cleaning plants according to claim 1 or 3, which is characterized in that the row of the cylinder (3)
Miscellaneous mouth (31) minimum diameter are as follows:
In formula: d1For impurity discharging port (31) minimum diameter, m；
v1For the short stem maximum floating velocity inputted in cylinder (3), m/s；
V0To clean required minimum air quantity, m3/s。
11. double inlet cyclone cleaning plants according to claim 1 or 3, which is characterized in that the cylinder (3) goes out
Grain mouth (36) diameter are as follows:
In formula: d2For grain outlet (36) diameter, m；
v2For ratooning rice seed full supporting velocity, m/s.
12. double inlet cyclone cleaning plants according to claim 1 or 3, which is characterized in that the inlet duct (32) is logical
It crosses pipeline of winnowing (4) to connect with device of winnowing (5), described (4) the one sections of arc-shaped pipes of pipeline of winnowing connecting with inlet duct (32),
For reducing resistance suffered by material and air-flow inflow cylinder (3) in the process；Pipeline of winnowing (4) cross-sectional area is along object
Gradually successively decrease in stream direction.
13. a kind of ratooning rice combined harvester, which is characterized in that double inlet cyclones described in installation claim 1 or 3 clean dress
It sets.
Priority Applications (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021156754A1 (en) * | 2020-02-06 | 2021-08-12 | Sigma Ingegneria S.R.L. | Apparatus for the suction and collection of processing waste |
| US20210315163A1 (en) * | 2018-09-07 | 2021-10-14 | Roy BREWIN | Crop dust separation system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU939134A1 (en) * | 1980-02-22 | 1982-06-30 | За витель | Loose material pneumatic separator |
| CN2511404Y (en) * | 2001-11-14 | 2002-09-18 | 王云山 | Small grain and chaff separator |
| CN102668822A (en) * | 2011-11-15 | 2012-09-19 | 河南科技大学 | Cleaning system and combined grain harvester adopting same |
| CN210247588U (en) * | 2019-05-31 | 2020-04-07 | 江苏大学 | Double-inlet cyclone cleaning device and ratoon rice combine harvester |
-
2019
- 2019-05-31 CN CN201910466573.6A patent/CN110140531B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU939134A1 (en) * | 1980-02-22 | 1982-06-30 | За витель | Loose material pneumatic separator |
| CN2511404Y (en) * | 2001-11-14 | 2002-09-18 | 王云山 | Small grain and chaff separator |
| CN102668822A (en) * | 2011-11-15 | 2012-09-19 | 河南科技大学 | Cleaning system and combined grain harvester adopting same |
| CN210247588U (en) * | 2019-05-31 | 2020-04-07 | 江苏大学 | Double-inlet cyclone cleaning device and ratoon rice combine harvester |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210315163A1 (en) * | 2018-09-07 | 2021-10-14 | Roy BREWIN | Crop dust separation system |
| WO2021156754A1 (en) * | 2020-02-06 | 2021-08-12 | Sigma Ingegneria S.R.L. | Apparatus for the suction and collection of processing waste |
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| CN110140531B (en) | 2024-03-19 |
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