CN116584210B - Pasture seeding device and method with plasma treatment function - Google Patents
Pasture seeding device and method with plasma treatment function Download PDFInfo
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- CN116584210B CN116584210B CN202310875006.2A CN202310875006A CN116584210B CN 116584210 B CN116584210 B CN 116584210B CN 202310875006 A CN202310875006 A CN 202310875006A CN 116584210 B CN116584210 B CN 116584210B
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- 238000009832 plasma treatment Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010899 nucleation Methods 0.000 title claims description 20
- 238000011282 treatment Methods 0.000 claims abstract description 56
- 238000009331 sowing Methods 0.000 claims abstract description 47
- 108010016634 Seed Storage Proteins Proteins 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 11
- 239000004459 forage Substances 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 63
- 239000000725 suspension Substances 0.000 claims description 43
- 230000001174 ascending effect Effects 0.000 claims description 29
- 230000000630 rising effect Effects 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 23
- 239000012535 impurity Substances 0.000 claims description 22
- 241000721671 Ludwigia Species 0.000 claims description 5
- 230000003749 cleanliness Effects 0.000 abstract description 5
- 230000004083 survival effect Effects 0.000 abstract description 2
- 210000002381 plasma Anatomy 0.000 description 23
- 230000009471 action Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000012010 growth Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007226 seed germination Effects 0.000 description 2
- YTPMCWYIRHLEGM-BQYQJAHWSA-N 1-[(e)-2-propylsulfonylethenyl]sulfonylpropane Chemical compound CCCS(=O)(=O)\C=C\S(=O)(=O)CCC YTPMCWYIRHLEGM-BQYQJAHWSA-N 0.000 description 1
- 241000511730 Leymus chinensis Species 0.000 description 1
- 240000004658 Medicago sativa Species 0.000 description 1
- 235000017587 Medicago sativa ssp. sativa Nutrition 0.000 description 1
- 240000006394 Sorghum bicolor Species 0.000 description 1
- 235000011684 Sorghum saccharatum Nutrition 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000014284 seed dormancy process Effects 0.000 description 1
- 230000035040 seed growth Effects 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/008—Sod or grassland seeding
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/70—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention relates to a forage grass sowing device with a plasma treatment function and a method thereof, the sowing device comprises a plasma generating device, a multi-stage seed treatment unit, a seed storage tank, a seed sowing tank, a grooved wheel seed sowing device group and a pipeline, the multi-stage seed treatment unit is combined to cooperatively clean and graded treat seeds, the plasma generating device carries out plasma treatment on the seeds in an air flow field, the plasma generating device spans across the multi-stage seed treatment unit, the lower part of the seed sowing tank is communicated with the grooved wheel seed sowing device group through the pipeline, and the upper part of the seed sowing tank can be detachably connected with any seed storage tank through the pipeline. The method can simultaneously realize the operations of cleaning, grading, plasma treatment, sowing and the like of small seeds such as pasture and the like, improves the uniformity and cleanliness of sowing through cleaning and grading, and is convenient for the intertillage management in the later period; the vitality of the sowed seeds is improved through plasma treatment, and the survival rate of the seeds is further improved.
Description
Technical Field
The invention belongs to the technical field of agricultural sowing, and particularly relates to a pasture sowing device and method with a plasma treatment function.
Background
Seed is an important agricultural production material and is a living organism. The vigor of the seeds influences the growth of the whole life cycle of the plant, and the low vigor of the seeds caused by dormancy and physiological aging of the seeds is unfavorable for seed germination and crop growth; the seed selection method has the advantages that seeds with good uniformity of particle size, plumpness, robustness, few weeds and other impurities are selected during agricultural sowing, and the method has important significance for guaranteeing the synchronism of germination and growth of crops in the same area. These two factors are critical factors affecting the yield and quality of the final crop, and therefore, it is necessary to design a seed sowing device capable of improving seed uniformity and seed vigor. Plasma seed treatment technology, which is one of the representative modes of physical methods in pre-seed sowing treatment, has been demonstrated to break seed dormancy by activating endogenous substances of seeds, enhance seed hydrophilicity, thereby promoting seed germination and growth, improving stress resistance of crops, and improving crop yield and quality. At present, there are few high-adaptability seeding devices capable of simultaneously realizing procedures such as plasma treatment, classification, cleaning, seeding and the like for small-sized seeds such as pasture grass, alfalfa, wheat, leymus chinensis, sorghum and the like.
Disclosure of Invention
Aiming at the defects of the conventional small-grain seed sowing device such as pasture, the invention aims to provide the pasture sowing device with the functions of cleaning, grading and plasma treatment, which is used for solving the practical problems that the prior art has the sowing device capable of simultaneously realizing the procedures of plasma treatment, grading, cleaning, sowing and the like, thereby improving the uniformity and the cleanliness of sowing seeds, improving the vitality of sowed seeds and facilitating the later management.
Another object of the present invention is to provide a method for sowing grass based on a grass sowing device with functions of cleaning, grading and plasma treatment, so as to better solve the technical problems set forth in the background art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the method utilizes the characteristic that the impurities and the seeds with different plumps have different air suspension speeds, utilizes high-speed air flow to force the seeds to be treated which are instantaneously added into an air flow field to rise at different acceleration speeds, separates the impurities and the less plump seeds which reach the rising end point firstly from the more plump seeds which reach the rising end point later and fall along different channels, thereby realizing the purposes of cleaning and grading. Meanwhile, the ascending and descending pipelines are positioned in the plasma treatment area in the middle of the electrode plate, so that the seeds are treated by utilizing the plasmas. The above process can also be freely spliced and detail adjusted in a unit form according to the requirement so as to realize the goals of multi-stage and continuous seed cleaning, grading, plasma treatment and sowing.
The forage grass sowing device with the plasma treatment function comprises a plasma generation device, a multi-stage seed treatment unit, a seed storage box 05, a seed sowing box 06, a grooved wheel seed sowing device 07 and a pipeline 08, wherein the multi-stage seed treatment unit is combined to cooperatively clean and graded treat seeds, the plasma generation device performs plasma treatment on the seeds in an air flow field, the plasma generation device spans across the multi-stage seed treatment unit, the lower part of the seed sowing box 06 is communicated with the grooved wheel seed sowing device group 07 through the pipeline, and the upper part of the seed sowing box 06 can be detachably connected with any seed storage box 05 through the pipeline;
wherein the first stage seed treatment unit comprises a first tank 201, a first temporary storage area 301, a first seed inlet valve 121, a first air inlet 601, a first air inlet seed discharging valve 111, a first seed discharging port 711, a second seed discharging port 712, a first ascending area 401, a first seed falling area 701, a first turning valve 131, a first air outlet 611, a first descending area 501, an outlet at the lower end of the first tank 201 is communicated with the first temporary storage area 301, the first temporary storage area 301 is communicated with the first ascending area 401 through the first seed inlet valve 121, the lower part of the first ascending area 401 is provided with the first air inlet seed discharging valve 111, the left side of the first air inlet seed discharging valve 111 is provided with the first air inlet 601, the lower side of the first air inlet seed discharging valve 111 is provided with the first seed discharging port 711, the upper portion of first rising district 401 is provided with first diversion valve 131, first diversion valve 131 left side passes through arc pipeline intercommunication first seed precipitation district 701, first diversion valve 131 right side passes through arc pipeline intercommunication first decline district 501, first decline district 501 top arc pipeline department is provided with first gas vent 611, first gas vent 611 position department is provided with the screen cloth, only allow the air current to pass through and not allow the seed to pass through, first rising district 401 from the top down has set gradually first diversion valve 131, plasma generating device, first advance valve 121, first inlet seed metering valve 111, first seed metering mouth 711, first seed precipitation district 701, second seed metering mouth 712 below all is provided with seed storage box 05.
Under the action of the air flow, impurities and seeds with different suspension speeds sequentially pass through the first rising area 401 in the high-speed air flow field and undergo primary plasma treatment, the seeds continuously change the gesture through rolling when moving in the air flow field, the uniformity of the plasma treatment of the seeds can be improved, the seeds with smaller suspension speeds and the impurities enter the first seed falling area 701, the seeds with larger suspension speeds enter the first falling area 501 through controlling the first reversing valve 131 and undergo primary plasma treatment, the seeds are discharged from the second seed discharging opening 712, and the seeds falling on the bottom of the first rising area 401 are discharged from the first seed discharging opening 711.
Preferably, the forage grass sowing device with the plasma treatment function comprises a four-stage seed treatment unit, wherein the four-stage seed treatment unit comprises a plasma generation device, four seed boxes, four temporary storage areas, four ascending areas, four descending areas, four air inlets, four air outlets, four seed dropping areas, five seed discharging openings, four air inlet seed discharging valves, four seed inlet valves, four diversion valves and three bin valves.
The plasma generating device is characterized in that a plasma power supply 01 is respectively connected with two electrode plates 03 which are symmetrically arranged through a lead 02, a plasma treatment area 04 is formed between the two electrode plates 03 after power is applied, and seeds passing through an ascending area, a descending area and a seed falling area of the area can be subjected to plasma treatment.
The pipes in the plasma processing region 04 are all made of insulating materials.
The seed inlet pipeline at the seed inlet valve can extend downwards and exceed the junction with the rising area pipeline so as to prevent the air flow below from blocking the inflow of seeds when the seed inlet valve is opened.
The air inlet seed discharging valve can rotate and realize that the air inlet is opened to discharge the seed outlet to close (lower) or the air inlet is closed to discharge the seed outlet to open (upper).
The direction-changing valve can rotate and can control seeds reaching the ascending end point in the ascending area to flow to the descending area (left position) or the seed falling area (right position).
The boundary between the drop zone and the vent is provided with a screen which only allows the air flow to pass through, but not the seeds and impurities. The air inlet is externally connected with an air pump with controllable flow. The valve opening, closing and rotation adjustment actions are very short in time. The sorting classification intensity and the effect are determined by the airflow intensity and the direction-changing valve.
The plasma treatment power, single time duration, interval, times and total time duration of the seeds in the whole treatment process can be adjusted according to different requirements. The specific adjustment principle and the adjustment method are as follows:
the power of the plasma power supply can be controlled to control the power of the plasma treatment seeds. A plasma treatment is obtained every time the seed goes up or down through the plasma treatment zone. In the case of a fixed width plasma treatment zone, the single treatment duration in the rising zone is mainly dependent on the difference between the gas flow velocity and the seed suspension velocity, the greater the difference, the smaller the single duration; the single treatment time length of the descent area and the seed falling area is determined by the gravity acceleration and cannot be adjusted.
When the seed moves to the ascending end point, the seed is converted into descending and enters a descending area or a seed falling area, and the time interval is not adjustable. The time interval between the seed passing through the descending region and the next unit ascending region is related to the opening and closing of the seed inlet valve and the air flow speed of the air inlet of the next unit, and the time interval can be adjusted by changing the two factors.
The number of times the seeds at the different outlets were subjected to plasma treatment can be obtained by simple counting, for example, using a combination of three stages of seed treatment units, the seeds discharged from the third seed dropping zone 703 were subjected to plasma treatment for a total of 6 times from the 3 ascending zones, the 2 descending zones, and the 1 seed dropping zone. If the number of treatments for a particular suspension rate seed is to be reduced, the gas flow rate at the inlet of each unit is to be reduced so that the seed is discharged from the seed drop zone as early as possible. If the treatment times of the seeds with specific suspension speed are required to be increased, the gas flow rate of the gas inlet of each unit is required to be increased so that the seeds are discharged from the seed dropping area as late as possible; or after the whole treatment of the seeds in one round, the seeds discharged from the seed dropping area are added to each grade of seed boxes again so as to enter the treatment cycle again. The total processing time length is determined and regulated by the single time length and the times.
The upper part of the seed sowing box 06 can be detachably connected with any seed storage box 05 through a pipeline, and seeds with proper size and proper plasma treatment strength can be selected for sowing according to different plots. The uniformity and the cleanliness of seeds are improved, the vitality of sowed seeds is improved, and the later period cultivation management is facilitated.
Compared with the prior art, the invention has the beneficial effects that:
1. the method can simultaneously realize the operations of cleaning, grading, plasma treatment, sowing and the like of small seeds such as pasture and the like, improves the uniformity and cleanliness of sowing through cleaning and grading, and is convenient for the intertillage management in the later period; the vitality of the sowed seeds is improved through plasma treatment, so that the survival rate of the seeds is improved;
2. the gesture of the seeds can be changed continuously through rolling when the seeds move in the airflow field, so that the uniformity of the seeds subjected to plasma treatment can be improved; the frequency and intensity of the seed plasma treatment can be adjusted according to actual needs; the number and intensity of seed plasma treatments may be adjusted, for example, by adjusting the intensity of the gas flow.
3. The seeding device is in a unit body structure, the number of the multi-stage seed treatment units can be adjusted according to the requirement, and the use forms can be matched, so that the use scenes of the seeding device can be enriched;
4. the power, single time duration, interval, times and total time duration of the seeds subjected to plasma treatment can be adjusted according to the requirements, and the applicability of the seeding device for different varieties and different quality seeds can be improved;
5. the valves can realize coordinated linkage under the action of external power and a control program, and a specific way is provided for reducing the manpower input.
Drawings
FIG. 1 is a schematic view of a seeding apparatus according to the present invention;
fig. 2 is a schematic structural view of a plasma generating device of the seeding apparatus of the present invention.
The reference numerals in the drawings are:
01 a plasma power supply; 02 wires; 03 electrode plate; 04 plasma treatment region; 05 seed storage boxes; 06 seed metering boxes; 07 grooved wheel seed metering device group; 08 piping;
111 a first intake seed metering valve; 112 a second intake and exhaust valve; 113 a third intake seed metering valve; 114 fourth intake seed metering valve; 121 a first inlet valve; 122 a second seed inlet valve; 123 third seed inlet valve; 124 fourth seed inlet valve; 131 a first direction change valve; 132 a second diverter valve; 133 a third diverter valve; 134 a fourth reversing valve; 141 a second bin valve; 142 a third bin valve; 143 a fourth bin valve; a first tank 201; 202 a second tank; 203 a third tank; 204 a fourth bin; 301 a first temporary region; 302 a second temporary storage area; 303 a third temporary region; 304 a fourth temporary region; 401 a first rise region; 402 a second rise region; 403 a third rise region; 404 a fourth rise region; 501 a first drop zone; 502 a second drop zone; 503 a third drop zone; 504 a fourth drop zone; 601 a first air inlet; 602 a second air inlet; 603 a third air inlet; 604 a fourth inlet port; 611 a first exhaust port; 612 a second exhaust port; 613 a third vent; 614 fourth exhaust port; 701 a first seed dropping area; 702 a second seed drop zone; 703 a third seed dropping zone; 704 a fourth seed dropping area; 711 first seed outlet; 712 a second seed metering port; 713 third seed metering port; 714 a fourth seed outlet; 715 fifth seed port.
Detailed Description
The invention is further described with reference to the drawings and the description.
The forage grass seeder with plasma treating function utilizes the characteristic of impurity and different plump seeds with different air suspension speeds, and utilizes high-speed airflow to force the to-be-treated seeds instantaneously fed into the airflow field to rise at different accelerations and speeds, so that the impurity and the less plump seeds reaching the rising end point firstly are separated from the more plump seeds reaching the rising end point later and fall along different channels, and the cleaning and grading targets are realized. Meanwhile, the ascending and descending pipelines are positioned in the plasma treatment area in the middle of the electrode plate, so that the seeds are treated by utilizing the plasmas. The above process can also be freely spliced and detail adjusted in unit form according to the requirement so as to realize multi-stage and continuous seed cleaning, grading and plasma treatment targets.
Example 1:
as shown in fig. 1 and 2, a pasture seeding device with a plasma treatment function is characterized in that: the seeding device comprises a plasma generating device, a first-stage seed treatment unit, a seed storage box 05, a seed sowing box 06, a grooved wheel seed sowing device 07 and a pipeline 08, wherein the first-stage seed treatment unit is used for cleaning and grading seeds, the plasma generating device is used for carrying out plasma treatment on the seeds in an air flow field, the plasma generating device spans across the first-stage seed treatment unit, the lower part of the seed sowing box 06 is communicated with the grooved wheel seed sowing device group 07 through the pipeline, and the upper part of the seed sowing box 06 can be detachably connected with any seed storage box 05 through the pipeline;
the first-stage seed treatment unit comprises a first tank 201, a first temporary storage area 301, a first inlet seed discharging valve 121, a first air inlet 601, a first inlet seed discharging valve 111, a first seed discharging port 711, a second seed discharging port 712, a first ascending area 401, a first seed falling area 701, a first diversion valve 131, a first exhaust port 611 and a first descending area 501, wherein the outlet of the lower end of the first tank 201 is communicated with the first temporary storage area 301, the first temporary storage area 301 is communicated with the first ascending area 401 through the first inlet valve 121, the lower part of the first ascending area 401 is provided with the first inlet seed discharging valve 111, the left side of the first inlet seed discharging valve 111 is provided with the first air inlet 601, the lower side of the first inlet seed discharging valve 111 is provided with the first seed discharging port 711, the upper part of the first ascending area 401 is provided with the first diversion valve 131, the left side of the first diversion valve 131 is communicated with the first seed falling area through an arc-shaped pipeline, the right side of the first diversion valve 131 is communicated with the first descending area 501 through an arc-shaped pipeline, the first descending area is provided with the top descending area is provided with the first exhaust port 121, the first diversion valve 131 is arranged at the first exhaust port 611, the first exhaust port is not arranged at the first position of the first inlet seed discharging valve 111 is allowed to fall through the first inlet 711, the first inlet valve is arranged at the first position of the first inlet seed discharging valve 111 is allowed to fall through the first inlet valve 711, the first inlet valve is arranged at the first position is allowed to be sequentially arranged at the first position, the first position is allowed to fall through the first seed inlet is arranged top, the first seed is allowed to be arranged.
High-speed air flow is introduced from the first air inlet 601, impurities and seeds with different suspension speeds sequentially pass through the first rising area 401 in a high-speed air flow field and are subjected to primary plasma treatment under the action of the air flow, the posture of the seeds can be continuously changed through rolling when the seeds move in the air flow field, and the uniformity of receiving the plasma treatment of the seeds can be improved.
The upper part of the seed sowing box 06 can be detachably connected with any seed storage box 05 through a pipeline, and seeds with proper size and proper plasma treatment strength can be selected for sowing according to different plots. The uniformity and the cleanliness of seeds are improved, the vitality of sowed seeds is improved, and the later period cultivation management is facilitated.
The plasma generating device is characterized in that a plasma power supply 01 is respectively connected with two electrode plates 03 which are symmetrically arranged through a lead 02, a plasma treatment area 04 is formed between the two electrode plates 03 after power is applied, and seeds passing through an ascending area, a descending area and a seed falling area of the area can be subjected to plasma treatment.
The pipes in the plasma processing region 04 are all made of insulating materials.
The seed inlet pipeline at the seed inlet valve can extend downwards and exceed the junction with the rising area pipeline so as to prevent the air flow below from blocking the inflow of seeds when the seed inlet valve is opened.
The air inlet seed discharging valve can rotate and realize that the air inlet is opened to discharge the seed outlet to close (lower) or the air inlet is closed to discharge the seed outlet to open (upper). The direction-changing valve can rotate and can control seeds reaching the ascending end point in the ascending area to flow to the descending area (left position) or the seed falling area (right position).
The boundary between the drop zone and the vent is a screen that allows only air flow to pass through but not seeds and impurities. The air inlet is externally connected with an air pump with controllable flow. The valve opening, closing and rotation adjustment actions are very short in time.
A seeding method based on a forage grass seeding device with a plasma treatment function specifically comprises the following steps:
s101, a first inlet valve 121 is closed, a first inlet seed discharging valve 111 is arranged below, a first turning valve 131 is arranged right, a second inlet valve 122 is opened, and a second inlet seed discharging valve 112 is arranged above;
s102, placing seeds to be treated (including seeds with different impurities and plumpness) into a first box 201 and filling a first temporary storage area 301;
s103, a first air inlet 601 starts to stably intake air, and the air flow speed is ensured to be higher than the suspension speed of seeds to be treated;
s104, opening a first seed inlet valve 121 and closing after a proper time, so that a proper amount of seeds to be treated enter a high-speed airflow field together in a very short time;
s105, impurities and seeds with different suspension speeds sequentially pass through a first rising area 401 in a high-speed airflow field and are subjected to primary plasma treatment, and the seeds with smaller suspension speeds and the impurities are positioned above the seeds with larger suspension speeds;
s106, after seeds and impurities with smaller suspension speed enter the first seed falling area 701, rotating the first reversing valve 131 to a left state, discharging air flow through the first air outlet 611, enabling the remaining seeds with larger suspension speed to enter the first falling area 501, performing primary plasma treatment, and finally discharging the seeds from the second seed discharging port 712;
s107, repeating the steps S101-S106;
s108, after the seed treatment is finished, stopping supplying air to the first air inlet 601, placing the first air inlet seed discharging valve 111 upwards, and discharging a small amount of seeds and impurities with excessive suspension speed falling on the bottom of the first rising area 401 from the first seed discharging port 711;
s109 all valves are reset to the initial state.
Example 2:
as shown in fig. 1 and 2, the pasture seeding apparatus with plasma treatment function further comprises a second stage seed treatment unit disposed behind the first stage seed treatment unit, and performing a second stage seed treatment on the seeds treated by the first stage seed treatment unit, wherein the second stage seed treatment unit comprises a second tank 202, a second temporary storage area 302, a second seed inlet valve 122, a second air inlet 602, a second air inlet seed outlet 112, a second seed outlet 712, a third seed outlet 713, a second rising area 402, a second seed falling area 702, a second diversion valve 132, a second air outlet 612, a second falling area 502, the lower part of the first falling area 501 is communicated with the second temporary storage area 302, the lower end outlet of the second tank 202 is communicated with the second rising area 402 through the second air inlet seed outlet valve 112, the lower part of the second ascending area 402 is provided with a second air inlet seed discharging valve 112, the left side of the second air inlet seed discharging valve 112 is provided with a second air inlet 602, the lower side of the second air inlet seed discharging valve 112 is provided with a second seed discharging port 712, the upper part of the second ascending area 402 is provided with a second diversion valve 132, the left side of the second diversion valve 132 is communicated with a second seed discharging area 702 through an arc-shaped pipeline, the right side of the second diversion valve 132 is communicated with a second descending area 502 through an arc-shaped pipeline, the arc-shaped pipeline at the top of the second descending area 502 is provided with a second air outlet 612, the position of the second air outlet 612 is provided with a screen which only allows air flow to pass but not seeds, the second ascending area 402 is sequentially provided with the second diversion valve 132, a plasma generating device, the second seed inlet valve 122, the second air inlet seed discharging valve 112, the second seed discharging port 712, the second seed discharging area 702, A seed storage tank 05 is arranged below the third seed discharge port 713.
A seeding method based on a forage grass seeding device with a plasma treatment function, which uses two-stage seed treatment units for combined seed treatment, specifically comprises the following steps:
s201, the first inlet valve 121 is closed, the first inlet seed discharging valve 111 is arranged below, the first turning valve 131 is arranged right, the second inlet valve 122 is closed, the second inlet seed discharging valve 112 is arranged below, the second turning valve 132 is arranged right, the third inlet valve 123 is opened, and the third inlet seed discharging valve 113 is arranged above;
s202, placing seeds to be treated into a first box 201 and filling a first temporary storage area 301; the seeds to be treated comprise seeds with different impurities and plumpness;
s203, the first air inlet 601 and the second air inlet 602 start to stably intake air, the air flow speed is ensured to be higher than the suspension speed of seeds to be treated, and the air intake flow of the second air inlet 602 is smaller than the air intake flow of the first air inlet 601;
s204, the first seed inlet valve 121 is opened and closed after a proper time, so that a proper amount of seeds to be treated enter a high-speed airflow field together in a very short time;
s205, impurities and seeds with different suspension speeds sequentially pass through a first rising area 401 in a high-speed airflow field and are subjected to primary plasma treatment, and the seeds with smaller suspension speeds and the impurities are positioned above the seeds with larger suspension speeds;
s206, after seeds and impurities with smaller suspension speed enter the first seed falling area 701, rotating the first reversing valve 131 to a left state, discharging air flow through the first air outlet 611, and enabling the remaining seeds with larger suspension speed to enter the first falling area 501, accumulating in the second temporary storage area 302 after primary plasma treatment, and becoming seeds to be treated of the second treatment unit;
s207, when the seeds in the second temporary storage area 302 accumulate to a certain amount, the second seed inlet valve 122 is opened and closed after a proper time, so that a proper amount of seeds to be treated enter a high-speed airflow field together in a very short time;
s208, seeds with different suspension speeds sequentially pass through the second ascending area 402 in a high-speed airflow field and are subjected to primary plasma treatment, and seeds with lower suspension speeds are positioned above seeds with higher suspension speeds;
s209, when seeds with smaller suspension speed enter the second seed falling area 702 and are subjected to primary plasma treatment, the second reversing valve 132 is rotated to a left state, air flow is discharged through the second exhaust port 612, and the remaining seeds with larger suspension speed enter the second descending area 502 and are subjected to primary plasma treatment, and finally are discharged from the third seed discharging port 713;
s210, repeating the steps S201-S209;
s211, after the seed treatment is finished, stopping supplying air to the first air inlet 601 and the second air inlet 602, placing the first air inlet seed discharging valve 111 and the second air inlet seed discharging valve 112 on the upper part, and discharging a small amount of seeds with excessive suspension speed falling on the bottoms of the first lifting area 401 and the second lifting area 402 from the first seed discharging port 711 and the second seed discharging port 712 respectively;
s212 all valves are reset to the initial state.
The combination of steps S204-S206 and the combination of steps S207-209 operate independently, synchronously, and cooperatively.
Example 3:
similarly, three or four stage seed treatment units may be used for multi-stage combination based on the use of two stage seed treatment unit combinations for seed treatment.
The plasma treatment power, single time duration, interval, times and total time duration of the seeds in the whole treatment process can be adjusted according to different requirements. The specific adjustment principle and the adjustment method are as follows:
the power of the plasma power supply can be controlled to control the power of the plasma treatment seeds.
A plasma treatment is obtained every time the seed goes up or down through the plasma treatment zone.
In the case of a fixed width plasma treatment zone, the single treatment duration in the rising zone is mainly dependent on the difference between the gas flow velocity and the seed suspension velocity, the greater the difference, the smaller the single duration; the single treatment time length of the descent area and the seed falling area is determined by the gravity acceleration and cannot be adjusted.
When the seed moves to the ascending end point, the seed is converted into descending and enters a descending area or a seed falling area, and the time interval is not adjustable. The time interval between the seed passing through the descending region and the next unit ascending region is related to the opening and closing of the seed inlet valve and the air flow speed of the air inlet of the next unit, and the time interval can be adjusted by changing the two factors.
The number of times the seeds at the different outlets were subjected to plasma treatment can be obtained by simple counting, for example, by combining three stages of seed treatment units, and the seeds discharged from the third seed dropping zone 703 were subjected to plasma treatment for a total of 6 times from the 3 ascending zones, the 2 descending zones, and the 1 seed dropping zone. If the number of treatments for a particular suspension rate seed is to be reduced, the gas flow rate at the inlet of each unit is to be reduced so that the seed is discharged from the seed drop zone as early as possible. If the treatment times of the seeds with specific suspension speed are required to be increased, the gas flow rate of the gas inlet of each unit is required to be increased so that the seeds are discharged from the seed dropping area as late as possible; or after the whole treatment of the seeds in one round, the seeds discharged from the seed dropping area are added to each grade of seed boxes again so as to enter the treatment cycle again. The total processing time length is determined and regulated by the single time length and the times.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. Grass seeder with plasma processing function, its characterized in that: the seeding device comprises a plasma generating device, a multi-stage seed treatment unit, a seed storage box (05), a seed sowing box (06), a grooved wheel seed sowing device group (07) and a pipeline (08), wherein the multi-stage seed treatment unit is combined to cooperatively clean and graded treat seeds, the plasma generating device performs plasma treatment on the seeds in an air flow field, the plasma generating device spans across the multi-stage seed treatment unit, the lower part of the seed sowing box (06) is communicated with the grooved wheel seed sowing device group (07) through the pipeline, and the upper part of the seed sowing box (06) can be detachably connected with any seed storage box (05) through the pipeline;
the first-stage seed treatment unit comprises a first tank (201), a first temporary storage area (301), a first seed inlet valve (121), a first air inlet (601), a first air inlet seed discharge valve (111), a first seed discharge port (711), a second seed discharge port (712), a first rising area (401), a first seed falling area (701), a first diversion valve (131), a first air outlet (611) and a first descending area (501), wherein an outlet at the lower end of the first tank (201) is communicated with the first temporary storage area (301), the first temporary storage area (301) is communicated with the first rising area (401) through a first seed inlet valve (121), the lower part of the first rising area (401) is provided with a first air inlet seed discharge valve (111), the left side of the first air inlet seed discharge valve (111) is provided with the first air inlet (601), the lower side of the first air inlet seed discharge valve (111) is provided with a first seed discharge port (711), the upper part of the first rising area (401) is provided with a first valve (131), the first valve (131) is communicated with the first air outlet (401) through a first pipeline (121), the first diversion area (501) is not communicated with the first air outlet (501) through an arc-shaped area, the first air outlet (501) is communicated with the arc-shaped area (501) through the arc-shaped area, the first ascending area (401) is provided with a first diversion valve (131), a plasma generating device, a first seed inlet valve (121) and a first air inlet seed discharging valve (111) in sequence from top to bottom, and seed storage boxes (05) are arranged below the first seed discharging opening (711), the first seed falling area (701) and the second seed discharging opening (712);
the plasma generating device comprises a plasma power supply (01), a wire (02) and electrode plates (03), wherein the plasma power supply (01) is respectively connected with the two electrode plates (03) which are symmetrically arranged through the wire (02), a plasma treatment area (04) is formed between the two electrode plates (03) after the power is applied, and seeds passing through the area can be subjected to plasma treatment;
the second-stage seed treatment unit of the seeding device is arranged behind the first-stage seed treatment unit, the seeds treated by the first-stage seed treatment unit are subjected to second-stage seed treatment, the second-stage seed treatment unit comprises a second seed box (202), a second temporary storage area (302), a second seed inlet valve (122), a second air inlet (602), a second air inlet seed discharge valve (112), a second seed discharge port (712), a third seed discharge port (713), a second rising area (402), a second seed falling area (702), a second diversion valve (132), a second air outlet (612) and a second falling area (502), the lower part of the first falling area (501) is communicated with the second temporary storage area (302), the lower end outlet of the second seed box (202) is communicated with the second temporary storage area (302), the lower part of the second rising area (402) is provided with a second seed discharge valve (112) through a second air inlet seed discharge valve (112), the left side of the second air inlet valve (112) is provided with a second diversion area (132) through a second air inlet (402), the left side of the second air inlet valve (112) is provided with a second diversion area (132), the right side of the second diversion valve (132) is communicated with the second descending region (502) through an arc pipeline, a second exhaust port (612) is formed in the arc pipeline at the top of the second descending region (502), a screen is arranged at the position of the second exhaust port (612), only air flow is allowed to pass through but seeds are not allowed to pass through, the second diversion valve (132), a plasma generating device, a second seed inlet valve (122) and a second seed inlet valve (112) are sequentially arranged in the second ascending region (402) from top to bottom, and seed storage boxes (05) are respectively arranged below the second seed outlet (712), the second seed dropping region (702) and the third seed outlet (713).
2. The pasture seeding device with the plasma treatment function according to claim 1, wherein the seeding device can adjust the seed plasma treatment power, duration, interval and times, and the total plasma treatment duration is determined by a single duration and a single times; the cleaning and grading strength can be adjusted by controlling the airflow and the reversing valve.
3. A sowing method based on the forage grass sowing device with the plasma processing function as claimed in claim 1, characterized by comprising the steps of:
s201, a first inlet valve (121) is closed, a first inlet seed discharging valve (111) is arranged below, a first turning valve (131) is arranged right, a second inlet valve (122) is closed, a second inlet seed discharging valve (112) is arranged below, a second turning valve (132) is arranged right, a third inlet valve (123) is opened, and a third inlet seed discharging valve (113) is arranged above;
s202, placing seeds to be treated into a first box (201) and filling a first temporary storage area (301);
s203, a first air inlet (601) and a second air inlet (602) start to stably intake air, the air flow speed is ensured to be higher than the suspension speed of seeds to be treated, and the air intake flow of the second air inlet (602) is smaller than the air intake flow of the first air inlet (601);
s204, opening a first seed inlet valve (121) and closing after a proper time, so that a proper amount of seeds to be treated enter a high-speed airflow field together in a very short time;
s205, impurities and seeds with different suspension speeds sequentially pass through a first rising area (401) in a high-speed airflow field and are subjected to primary plasma treatment, and the seeds with smaller suspension speeds and the impurities are positioned above the seeds with larger suspension speeds;
s206, after seeds and impurities with smaller suspension speed enter a first seed falling area (701), rotating a first reversing valve (131) to a left state, discharging air flow through a first air outlet (611), enabling the remaining seeds with larger suspension speed to enter a first descending area (501), and accumulating in a second temporary storage area (302) after primary plasma treatment to form seeds to be treated of a second treatment unit;
s207, when seeds in the second temporary storage area (302) are accumulated to a certain amount, the second seed inlet valve (122) is opened and closed after a proper time, so that a proper amount of seeds to be treated enter a high-speed airflow field together in a very short time;
s208, seeds with different suspension speeds sequentially pass through a second ascending area (402) in a high-speed airflow field and are subjected to primary plasma treatment, and seeds with lower suspension speeds are positioned above seeds with higher suspension speeds;
s209, when seeds with smaller suspension speed enter a second seed falling area (702) and undergo primary plasma treatment, rotating a second reversing valve (132) to a left-placed state, discharging air flow through a second air outlet (612), enabling the remaining seeds with larger suspension speed to enter a second descending area (502) and undergo primary plasma treatment, and finally discharging the seeds from a third seed discharging opening (713);
s210, repeating the steps S201-S209;
s211, after the seed treatment is finished, stopping supplying air to the first air inlet (601) and the second air inlet (602), wherein a first air inlet seed discharging valve (111) and a second air inlet seed discharging valve (112) are arranged on the upper part, and a small amount of seeds with overlarge suspension speed falling on the bottoms of a first rising area (401) and a second rising area (402) are discharged from a first seed discharging port (711) and a second seed discharging port (712) respectively;
s212 all valves are reset to the initial state.
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