CN87203919U - Airstream-type classifier - Google Patents
Airstream-type classifier Download PDFInfo
- Publication number
- CN87203919U CN87203919U CN 87203919 CN87203919U CN87203919U CN 87203919 U CN87203919 U CN 87203919U CN 87203919 CN87203919 CN 87203919 CN 87203919 U CN87203919 U CN 87203919U CN 87203919 U CN87203919 U CN 87203919U
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- Prior art keywords
- aspirating unit
- air
- separator
- expansion chamber
- aspirating
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Abstract
The utility model discloses an air-stream type classifier belonging to the seeds processing equipment. The utility model is characterized in that the cleaning shoe of the air-stream type classifier adopts the structure of double inhaling ducts and double settling chambers, so the seeds are subjected to twice air-stream functions with different velocities at the time of flowing across the two inhaling ducts. Therefore, the satiation seeds, the shrunken seeds and the impurity are separated. The air-stream type classifier has the higher selecting rate and removing the impurity rate, and is very convenient to clean. The utility model has the advantages of simple structure, low cost, little power consumption. The air-stream type classifier is suitable for cleaning the seeds of farm, forest, grazing (grass), and can also be used for separating the solid materials.
Description
The utility model belongs to agricultural machinery, is specifically related to a kind of air-flowing type seed cleaning equipment.
Each sub-district seed limited amount (being generally 5～15 kilograms/sub-district) of agricultural test, and strict to classification, definitely can not cause between the kind to mix.Existing seed cleaning equipment has types such as compound separator and gravity separator, and these types are all big productivity ratio (more than 0.5 ton/hour), its complex structure, and clear is time-consuming longer, can not be used for the operation of cleaning of sub-district seed fully.
At present, be used for the cleaning equipment of sub-district seed, still continue to use traditional hand windmill and clean, the productivity ratio of this farm implements is low, and labour intensity is big, and sorting index and purifying rate are all poor.
Announced a kind of electronic grain blow-thresher Chinese patent CN.86202335 number,, can only once clean, thereby it is still undesirable to clean effect seed though this machine has been made improvement to the production efficiency of traditional hand windmill.
The purpose of this utility model just is to overcome the deficiency of prior art, develop a kind of secondary that can either carry out and clean operation, that be convenient to clear up machine again and have simple in structure, clean the pneumatic cleaning machine effective, that cost is low, efficient is high, this machine be suitable for various farmings, woods and herbage seed particularly agricultural test sub-district seed clean operation, also can be used for separating some solid material simultaneously.
The utility model is used the principle of air flow cleaning, adopted the cleaning room of two air channels " double suction air flue " and two expansion chamber structures, difference according to the air dynamic behaviour of full seed, not plump kind and light material such as assorted, in material flow in the process in two air channels, by centrifugal blower suction air flow material is carried out secondary and clean, and collect full seed, not plump kind and light foreign material respectively by the difference outlet.Also can be according to the requirement of seed grading, selected seed is divided into secondary or three grades, thereby has satisfied the different requirement of user.Simultaneously, this machine is simple in structure, and clear is very convenient, can not take place interracial mixing.
Below in conjunction with drawings and Examples utility model is described in detail.
Fig. 1.: for the utility model and wherein an embodiment overall structure face diagrammatic sketch.
Fig. 2.: be the overall structure side-looking diagrammatic sketch of the utility model and one of them embodiment.
Fig. 3.: be the back expansion chamber cutaway view of the utility model and one of them embodiment.
Fig. 4.: be the air channel DOCK LEVELER schematic diagram of the utility model and one of them embodiment.Fig. 5: for the A of Fig. 4 to view.
Fig. 6.: be the spout schematic diagram of the utility model and one of them embodiment.
By Fig. 1,2, the utility model is by loading hopper 1, cleaning room 18, blower fan 6, motor 7, formations such as air draught house steward 4 and receiving hopper 9.Loading hopper 1 is made arc with an adjacent side of cleaning room 18 and is fastened on this cleaning room 18, the adjusting rod 23 that there is a reinforced valve 3 in the exit of loading hopper 1 and is used for regulating this valve (mass flow is cleaned in control), this loading hopper 1 has by left and right two upper slides 32,33 and dividing plate 34(sees Fig. 5) constitute fall " eight " font spout, thereby the height and the width that guaranteed this spout have a suitable ratio, prevent the generation of feeding clogging.
Cleaning room (referring to Fig. 1, Fig. 2) 18 has antetheca 17, and this cleaning room 18 is by I aspirating unit 2, II aspirating unit 15, and preceding expansion chamber 12 and back expansion chamber 13 constitute.Material enters I aspirating unit 2 by loading hopper 1, at the inlet of I aspirating unit 2 dispenser 5 is housed, its effect be material is disperseed and wind-engaging even.One air outlet 22 that leads to back expansion chamber 13 is arranged at the top of I aspirating unit 2, and a screen cloth 14 is equipped with in its underpart, and the angle of it and horizontal plane is 25～30 °.Seed slides into for 14 times in the II aspirating unit 15 along screen cloth, the top of II aspirating unit 15 has a DOCK LEVELER 16(to see shown in Figure 4), the top of this adjustable plate 16 is bending-like (purpose of bending is to prevent machine internal memory kind), air flue DOCK LEVELER 16 is by sunk screw 29, nut 31 also can move along two long slot bores are upper and lower, is added with plain washer 30 between nut 31 and the slotted eye.In addition, the top of II aspirating unit 15 has the air outlet 20(that feeds back expansion chamber 13 to see Fig. 1), discharge port is arranged at the bottom of this aspirating unit 15, (connecting hopper 9 down).
By shown in Figure 1, I, an II aspirating unit and adjust the air channel dividing plate 21 of I, II aspirating unit wind speed proportioning are at interval arranged on the top of cleaning room 18, its position can be cleaned object and adjusted according to difference.Also can adopt between I, II aspirating unit the top of cleaning room 18 (promptly) to fix its position, in any of described I aspirating unit 2 or II aspirating unit 15, or in two aspirating units, install the control valve (not shown) respectively additional, also can governor valve (not shown)s are installed and be achieved at the air outlet 22 of described I aspirating unit 2.
By shown in Figure 1, preceding expansion chamber 12 is a back taper substantially, and its top communicates with II aspirating unit 15, and there is a discharge gate 11 its underpart.
By Fig. 2, shown in Figure 3, back expansion chamber 13 is that air-flow and light foreign material are led by curved its effect of dividing plate 27(), air draught Taper Pipe 24, observation window 28 and unload odd jobs door 10 and constitute.Described air draught house steward's 4 a end communicates with cleaning room 18 by air draught Taper Pipe 24, and the other end communicates with blower fan 6, and a total blast volume adjustment doors 25 is arranged on air draught house steward 24.Described blower fan 6 is direct-connected on the axle of motor 7, and the shell of blower fan 6 is fixed on the frame 8.
During work, starter motor 7, centrifugal blower 6 is sucked air-flow by I, II aspirating unit, open reinforced valve 3, that packs loading hopper 1 into waits that cleaning seed enters I aspirating unit 2 by spout and hit on dispenser 5 and be spread out, at this moment, the air-flow that enters the I aspirating unit is brought into back expansion chamber 13 such as light foreign material in the material and clever shell by air outlet 22, wherein the heavy slightly foreign material of a part settle down in the expansion chamber 13 of back, and the foreign material that another part is lighter such as clever shell and dust etc. are directly discharged outside the machine through blower fan 6.Seed through I aspirating unit 2 air flow cleanings is slided to for 14 times in the II aspirating unit 15 by screen cloth, and in the downslide process, what some were tiny heavily mixes by screen cloth 14 sieves down.Because the wind speed of II aspirating unit 15 is higher, when seed through out-of-date, air-flow just will be wherein not plump kind settle down in the expansion chamber 12 before separating and delivering to, the light foreign material of air and fraction enter back expansion chamber 13 by II aspirating unit air outlet 20 and converge with the air-flow and the foreign material of I aspirating unit.Full seed falls into receiving hopper 9 by II aspirating unit bottom discharge port.When the seed of a sub-district clean finish after, open the discharge gate of forward and backward expansion chamber, collect material of each outlet respectively, open top inspection hatch lid 19 at last, unload lower screen cloth 14, just depositing in the machine kind can be cleaned out.
According to the kind difference of being cleaned seed, can regulate total blast volume adjustment doors 25, the wind speed with control I, II aspirating unit guarantees the quality of cleaning.Regulate air flue DOCK LEVELER 16, not only can control not plump kind of quantity of expansion chamber 12 before entering, and the wind speed proportioning that can regulate I, II aspirating unit, during use, can be regulated according to the requirement of different seeds or solid material to be cleaned.
The utility model also can require to select other flow process according to difference except that selecting above-mentioned technological process for use.For example when wind speed is suitably turned down, forward and backward precipitum all can be handled as foreign material.Or the wind speed accent is big, making light assorted all blowing out outside the machine, seed also can be divided into three grades, is collected respectively by three outlets.
The utility model connects the dish except that frame 8, motor 7 and draught fan impeller 26, and all the other all can adopt the plastic plate manufacturing, also can adopt material manufacturings such as timber, sheet iron.For ease of observing machine works and machine internal memory kind situation, the antetheca 17 of cleaning room and observation window 28 and inspection hatch lid 19 preferably adopt transparent plastic or lucite manufacturing.
Embodiment:
Cleaning room 18 has I, II two aspirating units and forward and backward two expansion chambers, the wind speed of I aspirating unit is 3～5 meter per seconds, the wind speed of II aspirating unit is 5～9 meter per seconds, the ratio of I, II aspirating unit air outlet 22 and 20 area is 1:6～1:8,0.25 kilowatt of motor. of and II aspirating unit to the gas channel height adjustment range of preceding expansion chamber is 80～140mm.This machine matched power is
Effect of the present utility model:
Once the seeds such as paddy rice, wheat, rapeseed and vegetables were made of this machine and to be cleaned test, each clear time is no more than 1.5 minutes, the rate of being selected is 95～99%, except light assorted rate is 85～99%, the indexs such as seed germination rate, germinating energy and mass of 1000 kernel after cleaning obviously are better than contrast (being untreated), this machine productivity ratio be 6～8 residential quarters/hour, its degree power productivity be 0.45 ton/kilowatt-hour.
Compared with the prior art the utility model has the characteristics such as simple in structure, that cost is low, is selected rate and impurities removing efficiency height, and clear convenience and noise are little, is suitable for various farmings, seed of forest seed and herbage seed to clean, and also can be used for separating some solid material.
Claims (10)
1, a kind of pneumatic cleaning machine, be used for farming, cleaning of woods and herbage seed, also can be used for separating some solid material, this machine is by loading hopper 1, cleaning room 18, blower fan 6, motor 7, air draught house steward 4 and receiving hopper 9 constitute, it is characterized in that, described cleaning room 18 is by I aspirating unit 2, H aspirating unit 15, preceding expansion chamber 12 and back expansion chamber 13 constitute, described I aspirating unit and II aspirating unit are arranged in juxtaposition, the II aspirating unit is being close to the I aspirating unit and is communicating with preceding expansion chamber on top, in described I, the top of II aspirating unit has air outlet 22 and 20 to communicate with described back expansion chamber.
2, separator as claimed in claim 1 is characterized in that, described I aspirating unit has a dispenser 5 in the porch of material, and the bottom of I aspirating unit also has one to be used for screen cloth 14 air-breathing and screening usefulness, and the angle of this screen cloth and horizontal plane is 25～30 °
3, separator as claimed in claim 2 is characterized in that, there is the air flue DOCK LEVELER 16 of a top bending middle and upper part of described II aspirating unit 15, and this adjustable plate can upper and lowerly be regulated, and 1 air intake discharge port is arranged in the bottom of described II aspirating unit.
4, separator as claimed in claim 3 is characterized in that, 1 air channel dividing plate 21 of I, II aspirating unit and adjusting wind speed proportioning is at interval arranged at the top of described cleaning room 18.
5, separator as claimed in claim 3 is characterized in that, described I aspirating unit is or/and be equipped with the control valve of regulating the wind speed proportioning in the II aspirating unit.
6, separator as claimed in claim 3 is characterized in that, the air outlet 22 of described I aspirating unit is equipped with the governor valve of regulating the wind speed proportioning.
7, separator as claimed in claim 1, expansion chamber 12 is a back taper substantially before it is characterized in that, and its top communicates with described II aspirating unit 15, and there is 1 discharge gate 11 its underpart.
8, separator as claimed in claim 1 is characterized in that, described back expansion chamber 13 is by curved dividing plate 27, air draught Taper Pipe 24, observation window 28 and unload odd jobs door 10 and constitute.
9, separator as claimed in claim 1 is characterized in that, described air draught house steward's 4 a end communicates with cleaning room 18 by air draught Taper Pipe 24, and the other end communicates with blower fan 6, and a total blast volume adjustment doors 25 is arranged on the described air draught house steward.
10, separator as claimed in claim 1 is characterized in that, loading hopper 1 is equipped with " eight " font spout that is made of upper slide 32,33 and dividing plate 34.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87203919 CN87203919U (en) | 1987-03-19 | 1987-03-19 | Airstream-type classifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87203919 CN87203919U (en) | 1987-03-19 | 1987-03-19 | Airstream-type classifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87203919U true CN87203919U (en) | 1987-12-30 |
Family
ID=4819856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87203919 Expired - Lifetime CN87203919U (en) | 1987-03-19 | 1987-03-19 | Airstream-type classifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87203919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103931362A (en) * | 2014-04-22 | 2014-07-23 | 江苏大学 | Device and method for cleaning away wet and sticky come-out object through thermal airflow |
| CN106856886A (en) * | 2017-04-10 | 2017-06-20 | 华中农业大学 | A kind of light breeze screening device of rape combined harvester |
-
1987
- 1987-03-19 CN CN 87203919 patent/CN87203919U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103931362A (en) * | 2014-04-22 | 2014-07-23 | 江苏大学 | Device and method for cleaning away wet and sticky come-out object through thermal airflow |
| CN106856886A (en) * | 2017-04-10 | 2017-06-20 | 华中农业大学 | A kind of light breeze screening device of rape combined harvester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |