CN102962202B - Chopped straw size grading and rind-pith separating device - Google Patents
Chopped straw size grading and rind-pith separating device Download PDFInfo
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- CN102962202B CN102962202B CN201210550240.XA CN201210550240A CN102962202B CN 102962202 B CN102962202 B CN 102962202B CN 201210550240 A CN201210550240 A CN 201210550240A CN 102962202 B CN102962202 B CN 102962202B
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- marrow
- cladding
- skin
- crushed straw
- seperator
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Abstract
A chopped straw size grading and rind-pith separating device mainly comprises a chopped straw size grading settlement room, a plurality of rind-pith separators and a pith outlet header, wherein the chopped straw size grading settlement room is in the structure of a horizontal long box; a chopped straw inlet is formed in one end of the long box; a dust airflow outlet is formed in the other end of the long box; a plurality of grading division boards are arranged on the bottom of the long box in order lengthwise; the plurality of division boards divide the bottom of the settlement room into a plurality of settlement segments; and a scraper conveyor and a chopped straw discharge outlet are arranged in each settlement segment. The rind-pith separators are respectively connected to the lower part of each chopped straw discharge outlet; and each rind-pith separator is respectively provided with a pith outlet pipeline and a rind outlet pipeline. When the device is applied to the rind-pith separation of the chopped straw, the rind-pith separating efficiency, the production efficiency and the economic benefit are high, and the application range is wide.
Description
Technical field
The present invention relates to plant equipment, particularly relate to a kind of crushed straw aggregate grain size grading and skin marrow separator.
Background technology
Comprehensive utilization agricultural crop straw is " turning harm into good ", " turning waste into wealth ", accelerate the Ecological Civilization Construction important state basic policy of developing a circular economy, corn, Chinese sorghum, rape, sugarcane etc. is used to have marrow stalk to make wood-based plate or papermaking, then the marrow of plant and light foreign material and crust must be separated, fiber abundant in crust is the appropriate materials of making sheet, papermaking, marrow core nutritional labeling is higher does feed, alcoholic auxiliary material and fertilizer, two class materials must be separated fully, could really fully utilize, the social benefit, the economic benefit that obtain expection realize industrialization.
The technical method that current existing skin marrow is separated and equipment also do not reach the demand of application, and skin marrow material is got unclean, and efficiency is low, and operating cost is high and ability is little, inadequate industrial production scale.Typically there are three classes: the first kind is mechanical maize peel flesh seperator, principle single for stalk longitudinal direction is rived, flattens and wipe marrow core off with cutter again, and that the stalk form thickness of reality is different, eustipes part physiology and other reasons cause is bending, machinery cannot by desirable operation, although when cutter is sharp, local can scrape, but overall separation efficiency and operating efficiency are all very low.Equations of The Second Kind method can be classified as pneumatic separation formula, it is the effect attempting to utilize the size of material suspended velocity to reach separation, the floating velocity of particle is mainly determined by self density and grain size, due to stalk crust, marrow core density is different and differ greatly, cause the particle size of the skin of same floating velocity and marrow will differ from much, therefore under same sorting wind speed, little skin and the marrow of larger particles can mix inseparable, as strengthened sorting dynamics (namely improving floating velocity), short grained skin can be involved in marrow to be taken away, and oarse-grained marrow floating velocity is large, will exist in skin, so the method separative efficiency of selection by winnowing remains low.3rd class is the method with screening, and main thought is that the particle size of marrow and skin in the particle managing to make to prepare produces difference (size of general marrow is larger), then presses the size screening of particle, but the separative efficiency of this way is still very low.Also have and second and third class methods are combined, but there is no a defect in solution two class methods principle, the separating effect of needs can not be produced.
The technical method that current existing stalk marrow core is separated also fairly simple technology does not pass a test, more there is no special complete set of equipments, therefore the requirement from comprehensive utilization falls far short, it is the bottleneck of restriction development of new techniques, in the urgent need to studying a kind of large-scale (annual production several ten thousand tons), high separating efficiency, the marrow core separation equipment of low operating cost and special system are the key foundation conditions realizing stalk comprehensive utilization.
Summary of the invention
Object of the present invention, exactly in order to solve above-mentioned prior art Problems existing, provides a kind of crushed straw aggregate grain size grading and skin marrow separator.
In order to achieve the above object, present invention employs following technical scheme: a kind of crushed straw aggregate grain size grading and skin marrow separator, it comprises:
Crushed straw aggregate grain size grading expansion chamber, for horizontal long box structure, its one end is provided with crushed straw aggregate import, the other end is provided with dust-contained airflow outlet, bottom is sequentially with multiple classification dividing plate along its length, expansion chamber bottom part is divided into multiple settling section by multiple classification dividing plate, is respectively equipped with drag conveyor and crushed straw aggregate feed opening in each settling section;
Multiple skin marrow seperator, is connected to the below of each crushed straw aggregate feed opening, and each skin marrow seperator is connected to marrow material export pipeline and cladding export pipeline;
Marrow material outlet header, is connected with the marrow material export pipeline of each skin marrow seperator.
Also comprise cladding outlet header, this cladding outlet header is connected with the cladding export pipeline of each skin marrow seperator.
Described skin marrow seperator comprises elastic shock attenuation seat, vibrations hopper and the second star-shaped feeder, vibrations hopper is arranged on elastic shock attenuation seat, vibrations hopper front end is provided with marrow material discharging opening, vibrations hopper bottom is provided with cladding discharging opening, marrow material discharging opening connects marrow material export pipeline, cladding discharging opening connects cladding export pipeline, and the second star-shaped feeder to be arranged on cladding export pipeline and to be close to cladding discharging opening.
The first star-shaped feeder is provided with between described skin marrow seperator and described crushed straw aggregate feed opening.
One end of described skin marrow seperator is provided with air inlet, is provided with volume damper in air inlet.
Described marrow material discharging pipeline is provided with sensor, and this sensor is connected with a controlling organization signal of telecommunication, and controlling organization is connected with the driving motor signal of telecommunication of the second star-shaped feeder.
Conveying worm is provided with between described cladding discharging opening and the second star-shaped feeder.
The bottom of described vibrations hopper is bucket shape, is provided with downflow weir, the height adjustable of this downflow weir bottom this bucket shape and between marrow material discharging opening, the tilt adjustable of vibrations hopper.
The present invention, owing to have employed above technical scheme, makes it compared with prior art, has following advantage and disadvantage:
1, separative efficiency is high, the compound that size particles is differed greatly, divide into floating velocity some grades relatively by the mode of pneumatic separation, then in each grade, subordinate's sorting is carried out separately again, the second level have employed the method that vibrations add gravity, by sinking speed close to the different particle separation of density, lightweight bulky grain floats to the surface of the bed of material, and the particle that density is large, size is little sinks to the bottom of the bed of material, through the passage of upper and lower two dischargings, flow out light material and cladding, for the characteristic of raw material through multiple tracks process, the efficiency of separation is high.
2, production efficiency is high, because system and equipment are that Large Scale and Continuous is produced automatically, is different from current small machine pattern, can be that industrial production line is supporting.
3, good in economic efficiency, the quality that raw material is separated is good, is worth and improves, and production capacity is large, and power consumption, operating cost and production cost are low, applied range.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of crushed straw aggregate grain size grading of the present invention and skin marrow separator;
Fig. 2 is the structural representation of the skin marrow seperator in the present invention.
Detailed description of the invention
See Fig. 1, Fig. 2, crushed straw aggregate grain size grading of the present invention and skin marrow separator, comprise crushed straw aggregate grain size grading expansion chamber 1, multiple skin marrow seperator 2, marrow material outlet header 3 and cladding outlet header 4.
Crushed straw aggregate grain size grading expansion chamber 1 is horizontal long box structure, its one end is provided with crushed straw aggregate import 11, the other end is provided with dust-contained airflow outlet 12, bottom is sequentially with multiple classification dividing plate 13 along its length, expansion chamber bottom part is divided into multiple settling section by multiple classification dividing plate, is respectively equipped with drag conveyor 14 and crushed straw aggregate feed opening 15 in each settling section.
Multiple skin marrow seperators 2 are connected to the below of each crushed straw aggregate feed opening 15, and each skin marrow seperator is connected to marrow material export pipeline 5 and cladding export pipeline 6.Skin marrow seperator 2 comprises elastic shock attenuation seat 21, vibrations hopper 22 and the second star-shaped feeder 23, vibrations hopper 22 is arranged on elastic shock attenuation seat 21, vibrations hopper 22 front end is provided with marrow material discharging opening 221, vibrations hopper 22 bottom is provided with cladding discharging opening 222, marrow material discharging opening 221 connects marrow material export pipeline 5, cladding discharging opening 222 connects cladding export pipeline 6, second star-shaped feeder 23 and to be arranged on cladding export pipeline 6 and to be close to cladding discharging opening 222.The first star-shaped feeder 7 is provided with between skin marrow seperator 2 and crushed straw aggregate feed opening 15.One end of skin marrow seperator 2 is provided with air inlet 24, is provided with volume damper 25 in air inlet.
Marrow material outlet header 3 is connected with the marrow material export pipeline 5 of each skin marrow seperator, and one end of marrow material outlet header 3 is air intlet 31, is provided with volume damper 18 in air intlet 31, and the other end is marrow material outlet 32.
Cladding outlet header 4 is connected with the cladding export pipeline 6 of each skin marrow seperator, and one end of cladding outlet header 4 is air intlet 41, is provided with volume damper 19 in air intlet 41, and the other end is cladding outlet 42.
Marrow material discharging pipeline 5 is provided with sensor 8, and this sensor 8 is connected with controlling organization 9 signal of telecommunication, and controlling organization 9 is connected with driving motor 10 signal of telecommunication of the second star-shaped feeder.
Conveying worm 26 is provided with between cladding discharging opening 222 and the second star-shaped feeder 23.
The bottom of vibrations hopper 22 is bucket shape, is provided with downflow weir 27, the height adjustable of this downflow weir 27 bottom this bucket shape and between marrow material discharging opening, the tilt adjustable of vibrations hopper 22.
Shown in figure, 16 for being flexible coupling.
Operation principle of the present invention, can accompanying drawings as follows:
By particle prepared by technological requirement, its grain size specification size is uneven, for thickness admixture, crushed straw aggregate import 11 is passed through by other induction system during separation, it is evenly sent into class settling room 1, and under airflow function, with certain speed to Way out horizontal movement, due to the density of particle diameter (skin and marrow), the factors such as size define the difference of sinking speed, particle particle along expansion chamber length direction by size, fall successively before and after weight, define the sedimentation granular gradient of rule, in order to classification mainly still requires the separating effect that reaches below, the granular size difference entering each seperator is as far as possible little, so expansion chamber is set to N section according to physical condition, particle also forms N number of grade, Relative Size in making every section is close, be easy to separating treatment, drag conveyor 14 in each section is by the particle of corresponding particle rank, be discharged in N number of skin marrow seperator 2 by crushed straw aggregate feed opening 15, isolate the cladding (heavy material) of marrow material (light material) and N number of grain size category.Light material concentrates conveying, and cladding also can concentrate conveying, can also by system requirements single-stage or various combination classification conveying.Dust in compound then discharges subsequent treatment with air-flow from the dust-contained airflow outlet 12 of class settling room 1.
Crushed straw aggregate class settling room 1 in the present invention is a long box-structure, enter, outlet is at two ends, long, wide, high dimension scale and cross section air velocity are the keys determining collecting effect, must be enough to make to need the raw material of particle diameter to settle down, delivery air containing material during work enters from crushed straw aggregate import 11, discharged from dust-contained airflow outlet 12 by the dust-contained airflow of expansion chamber, the bottom of expansion chamber is divided into several sections by classification dividing plate 13, processed material is deposited to room bottom natural successively and forms some levels, every section of bottom also has a drag conveyor 14 and crushed straw aggregate feed opening 15, during discharge, drag conveyor starts, the effect of mixing is had concurrently while scraper, the action simultaneously of first star-shaped feeder 7, material is discharged expansion chamber, skin marrow seperator 2 is discharged to through the first star-shaped feeder 7.
The general principle of the skin marrow seperator 2 in the present invention is similar to vibrating feeder, there is vibrations hopper 22, second star-shaped feeder 23, vibration motor etc., different and uniqueness be that vibrations hopper has a cladding discharging opening 222 for 22 times, after during work, material enters vibrations hopper 22, the air-flow simultaneously sucked from adjustable air inlet 24 blows again particle forward excursion, because the particle floating velocity compared with lightweight is little, fall slow, move distance wants far away, therefore lighter material more can overlay on above the bed of material, define selection by winnowing to be separated, hopper is in vibrations process simultaneously, particle is in the state of beating all the time, under gravity, particle is little, the particle that density is large will precipitate downwards, and particle is large, little then will the floating to bed of material surface of density.Hopper is in tilted layout, charging aperture is high, discharging opening is low, exciting force impels stream to flow from high to low, constantly leaving repeatedly, further enhance this effect, the result of compound action makes particle in from import to the motion process of outlet, the particle cross-section structure defining upper strata light (marrow material), lower floor's heavy (cladding) is progressively separated in hopper, be divided into two kinds of different bed of materials on demand, light material is discharged from the marrow material discharging opening 221 of front end above, and heavy cladding is discharged from the cladding discharging opening 222 of bottom through star-shaped feeder 23.Gently, the ratio (layering) of heavy burder is artificially set by the height of actual observation adjustment downflow weir 27, and regulated by hierarchy system, marrow material discharging pipeline 5 is equipped with sensor 8, lightweight stream is from wherein passing through, the amount of stream can make the semaphore of sensor 8 change, signal processes through controlling organization 9, be converted into the parameter of the driving motor 10 of control second star-shaped feeder 23, according to the random adjusting rotary speed of thickness of feed layer of setting, by the thickness (i.e. lightweight discharge quantity) regulating discharge quantity to determine upper strata stream, mediation system can keep stable being separated of the light bed of material, ensure that the quality of cladding.
Adopt equipment of the present invention, according to the actual requirement used, can the complete production unit of perfect, the stable performance of practical function, the separation separately for stalk is processed.
By equipment access wood-based plate of the present invention or paper production line, the raw material pretreatment portion becoming whole line can be made it, realize large-scale industrial production.
The present invention also can be applicable to unclassified stores and is separated occasion.
The equipment that the present invention adopts is universal machine, supporting and manufacturing process technology maturation.
Claims (5)
1. crushed straw aggregate grain size grading and a skin marrow separator, comprising:
Crushed straw aggregate grain size grading expansion chamber, for horizontal long box structure, its one end is provided with crushed straw aggregate import, the other end is provided with dust-contained airflow outlet, bottom is sequentially with multiple classification dividing plate along its length, expansion chamber bottom part is divided into multiple settling section by multiple classification dividing plate, is respectively equipped with drag conveyor and crushed straw aggregate feed opening in each settling section:
Multiple skin marrow seperator, is connected to the below of each crushed straw aggregate feed opening, and each skin marrow seperator is connected to marrow material export pipeline and cladding export pipeline;
Marrow material outlet header, is connected with the marrow material export pipeline of each skin marrow seperator;
Cladding outlet header, this cladding outlet header is connected with the cladding export pipeline of each skin marrow seperator;
The first star-shaped feeder is provided with between described skin marrow seperator and described crushed straw aggregate feed opening;
It is characterized in that: described skin marrow seperator comprises elastic shock attenuation seat, vibrations hopper and the second star-shaped feeder, vibrations hopper is arranged on elastic shock attenuation seat, vibrations hopper front end is provided with marrow material discharging opening, vibrations hopper bottom is provided with cladding discharging opening, marrow material discharging opening connects marrow material export pipeline, cladding discharging opening connects cladding export pipeline, and the second star-shaped feeder to be arranged on cladding export pipeline and to be close to cladding discharging opening.
2. crushed straw aggregate grain size grading according to claim 1 and skin marrow separator, is characterized in that: one end of described skin marrow seperator is provided with air inlet, is provided with volume damper in air inlet.
3. crushed straw aggregate grain size grading according to claim 1 and skin marrow separator, it is characterized in that: described marrow material discharging pipeline is provided with sensor, this sensor is connected with a controlling organization signal of telecommunication, and controlling organization is connected with the driving motor signal of telecommunication of the second star-shaped feeder.
4. crushed straw aggregate grain size grading according to claim 1 and skin marrow separator, is characterized in that: be provided with conveying worm between described cladding discharging opening and the second star-shaped feeder.
5. crushed straw aggregate grain size grading according to claim 1 and skin marrow separator, it is characterized in that: the bottom of described vibrations hopper is bucket shape, downflow weir is provided with, the height adjustable of this downflow weir, the tilt adjustable of vibrations hopper bottom this bucket shape and between marrow material discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550240.XA CN102962202B (en) | 2012-12-17 | 2012-12-17 | Chopped straw size grading and rind-pith separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550240.XA CN102962202B (en) | 2012-12-17 | 2012-12-17 | Chopped straw size grading and rind-pith separating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102962202A CN102962202A (en) | 2013-03-13 |
| CN102962202B true CN102962202B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210550240.XA Expired - Fee Related CN102962202B (en) | 2012-12-17 | 2012-12-17 | Chopped straw size grading and rind-pith separating device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109418006A (en) * | 2017-08-30 | 2019-03-05 | 陈汇宏 | The stalk that easily collection coarse crushing just shunts again as many as deep system advantage comprehensively utilizes mode |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002072456A1 (en) * | 2001-03-09 | 2002-09-19 | Norsk Hydro Asa | A method and device for separating fractions in a material flow |
| CN2907927Y (en) * | 2005-12-13 | 2007-06-06 | 柳小林 | Induced-draught type fanning machine |
| CN201799405U (en) * | 2010-08-28 | 2011-04-20 | 玉门宏宇食品有限公司 | Negative pressure wind screening machine |
| CN102092064A (en) * | 2010-11-12 | 2011-06-15 | 西北农林科技大学 | Method and device for separating corn stalk bark and corn pith |
-
2012
- 2012-12-17 CN CN201210550240.XA patent/CN102962202B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002072456A1 (en) * | 2001-03-09 | 2002-09-19 | Norsk Hydro Asa | A method and device for separating fractions in a material flow |
| CN2907927Y (en) * | 2005-12-13 | 2007-06-06 | 柳小林 | Induced-draught type fanning machine |
| CN201799405U (en) * | 2010-08-28 | 2011-04-20 | 玉门宏宇食品有限公司 | Negative pressure wind screening machine |
| CN102092064A (en) * | 2010-11-12 | 2011-06-15 | 西北农林科技大学 | Method and device for separating corn stalk bark and corn pith |
Non-Patent Citations (1)
| Title |
|---|
| 气流式分离机分离不同形态秸秆碎料的试验研究;王景峰等;《农机化研究》;20050331(第3期);196-198 * |
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| CN102962202A (en) | 2013-03-13 |
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