CN103721939A - Pollen pini circulation airflow screening and impurity removing device and method - Google Patents
Pollen pini circulation airflow screening and impurity removing device and method Download PDFInfo
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- CN103721939A CN103721939A CN201310748171.8A CN201310748171A CN103721939A CN 103721939 A CN103721939 A CN 103721939A CN 201310748171 A CN201310748171 A CN 201310748171A CN 103721939 A CN103721939 A CN 103721939A
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Abstract
The invention discloses a pollen pini circulation airflow screening and impurity removing device and method. A circulation channel is formed by a draught fan (1), a circulation pipeline I (2), a cyclone dust collector (3), a circulation pipeline II (4), a circulation check valve (6), a screen drum (7), a screen drum (8), an adjusting valve (9), an air inlet tee joint (10) and a circulation pipeline III (12). The pollen pini is in a fluidified state in the circulation channel through the action of airflow and can flow circularly at a high speed, the heavy impurities in the pollen pini are separated through the cyclone dust collector, and the airflow screening for the pollen pini can be achieved through the screen drums.
Description
Technical field
The present invention relates to a kind of screening impurity removing equipment and screening impurity-removing method of pollen pini.
Background technology
By the definition of China's pollen pini industry standard (GH/T1030-2004), pollen pini is pinaceae plant masson pine (Pinusmassoniana Lamb), Chinese pine (Pinus tabulaeformis Carr) or the male sex-cell that belongs to several plants together.Preserved egg powder flies upward easily, and good fluidity does not lump under normality, with the form of individual cells, exists.Examine under a microscope, pollen pini cell surface is smooth, 60～120 microns of total lengths, and body is wide 50～60 microns, and 30～50 microns of heights, are flat ellipse, belong to micron-sized powder materials.Pollen pini can be sneaked into a lot of impurity in raw material production process, and the impurity in pollen pini raw material is divided into three kinds by particle size, is greater than the impurity of pollen pini cell particle diameter, with the essentially identical impurity of pollen pini cell particle diameter, is less than the impurity of pollen pini cell particle diameter; Impurity in pollen pini raw material is also divided into three kinds by density size, and density is greater than the heavy seeds of pollen pini, the essentially identical impurity of density and pollen pini, and density is less than the light impurity of pollen pini.At present, in pollen pini raw material, the separation of impurity mainly adopts Vibration Screen to assign to realize, and this equipment and method are greater than the impurity of pollen pini cell particle diameter in can only separate pollen pini, and screening efficiency is low.Patent CN200310105344 and CN200320106449 disclose a kind of dry and desanding impurity-removing method and equipment of pollen pini, and the method and equipment is mainly for separating of heavy seeds, bad to being greater than the light impurity separating effect of pollen pini cell particle diameter.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly can separates the impurity that is greater than pollen pini cell particle diameter in pollen pini raw material, also circulating current screening impurity removing equipment that can separating heavy impurity, the present invention also provides a kind of method of pollen pini circulating current screening removal of impurities.
Solving the technical scheme that technical problem of the present invention takes is: a kind of pollen pini circulating current drying equipment, comprise blower fan, circulation line I, cyclone dust collectors, circulation line II, circulation stop valve, screen drum, control valve, air intake threeway, circulation line III, screen drum is for airflow screening, comprise housing, screen cloth, feed pipe, drainage conduit, housing is tube structure, housing one end is provided with feed pipe, the other end is provided with drainage conduit, on the sidewall of housing, have exhaust outlet, screen cloth is tube structure, screen cloth is arranged in housing, screen cloth one end is communicated with feed pipe, the other end is communicated with drainage conduit, said modules is pressed fan outlet, circulation line I, cyclone dust collectors air inlet, cyclone dust collectors air outlet, circulation line II, circulation stop valve, screen drum feed pipe, screen drum drainage conduit, control valve, air intake threeway, circulation line III, the order of blower fan import is communicated with into circulation canal, in circulation line II, have slag-drip opening, residual cake valve is installed on slag-drip opening, it is air inlet that air intake threeway also has a port, and air inlet valve is installed on air inlet, in circulation line III, has charge door, and charging valve is installed on charge door.
Cyclone dust collectors are for separating of the heavy seeds in pollen pini, and screen drum is for separating of the impurity that is greater than pollen pini cell particle diameter; Control valve is for regulating the internal pressure of screen drum; Charging valve is for reinforced; Residual cake valve is for discharge; Air inlet valve is for air intake.
In order to remove the material that is deposited in impact screening on screen cloth under airflow function, back-blowing device is also installed on screen drum, back-blowing device is comprised of back-flushing valve, blowback threeway and air bleeding valve, port and the exhaust outlet of blowback threeway join, another port and air bleeding valve join, also have a port and back-flushing valve to join, the other end and the high-pressure air source of back-flushing valve are joined; In the time of exhaust valve closure, back-flushing valve is opened, and passes into high pressure draught screen cloth is carried out to blowback in housing.
In order to improve screening speed, the more than one screen drum of can connecting again on the circulation canal between circulation stop valve and control valve.
Apply equipment of the present invention sieves removal of impurities method to pollen pini, comprise the following steps:
The adjustment of S1, equipment original state and startup: close residual cake valve, air inlet valve and charging valve, open circulation stop valve, start blower fan, after fan starting completes, open air inlet valve, regulate the aperture of control valve between 5～40%, make the barotropic state of screen drum inside 100～1000Pa;
S2, reinforced: open the pollen pini that charging valve adds moisture to be less than 8%, add the amount of pollen pini to be no more than 10% of circulation canal volume, pollen pini enters circulation canal under the effect of gravity and blower negative pressure, and under the effect of air-flow, form fluidisation state, with air-flow, in circulation canal, circulate, after having fed in raw material, close charging valve;
The separation of S3, heavy seeds: fluidisation state pollen pini enters cyclone dust collectors with high velocity air, heavy seeds separates and traps in wall under centrifugal action from fluidisation state material, relend and help Action of Gravity Field to fall in cyclone dust collectors ash bucket, pollen pini flows out through cyclone dust collectors air outlet with air-flow;
S4, airflow screening: fluidisation state material enters after screen drum, the part pollen pini that is less than mesh size is realized airflow screening with air-flow through screen cloth, and by exhaust outlet, discharges collection with air-flow, until be less than the pollen pini of mesh size, all discharges;
S5, deslagging: open residual cake valve, close circulation stop valve, standard-sized sheet control valve, cuts out air inlet valve, in equipment, leftover materials are discharged through residual cake valve with air-flow;
S6, close blower fan.
Pollen pini circulating current screening impurity removing equipment of the present invention and method adopt blower fan, circulation line I, cyclone dust collectors, circulation line II, circulation stop valve, screen drum, control valve, air intake threeway, circulation line III forms circulation canal, under the effect of air-flow, pollen pini in circulation canal, forms fluidisation state and high-speed circulating flows, utilize cyclone dust collectors to separate the heavy seeds in pollen pini, utilize screen drum to realize the airflow screening of pollen pini, screening efficiency is high, this equipment can separate the impurity that is greater than pollen pini cell particle diameter in pollen pini raw material, also can separating heavy impurity.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of pollen pini circulating current screening of the present invention impurity removing equipment the first embodiment.
Fig. 2 is the cutaway view of screen drum in Fig. 1.
In figure, each Reference numeral is: 1, blower fan; 2, circulation line I, 3, cyclone dust collectors; 4, circulation line II; 5, residual cake valve; 6, circulation stop valve; 7, screen drum; 8, screen drum; 9, control valve; 10, air intake threeway; 11, charging valve; 12, circulation line III; 13, air inlet valve; 40, feed pipe; 41, housing; 42, exhaust outlet; 43, screen cloth; 44, drainage conduit; 45, air bleeding valve; 46, blowback threeway; 47, back-flushing valve.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described, but embodiment is not construed as limiting the invention.
The first embodiment: a kind of pollen pini circulating current screening impurity removing equipment.
Referring to Fig. 1 and Fig. 2, this pollen pini circulating current screening impurity removing equipment, comprise blower fan 1, circulation line I 2, cyclone dust collectors 3, circulation line II 4, circulation stop valve 6, screen drum 7, screen drum 8, control valve 9, air intake threeway 10, circulation line III 12, said modules exports by blower fan 1, circulation line I 2, cyclone dust collectors 3 air inlets, cyclone dust collectors 3 air outlets, circulation line II 4, circulation stop valve 6, screen drum 7 feed pipes 40, screen drum 7 drainage conduit 44, screen drum 8 feed pipes 40, screen drum 8 drainage conduit 44, control valve 9, air intake threeway 10, circulation line III 12, the order of blower fan 1 import is communicated with into circulation canal, in circulation line II 4, have slag-drip opening, residual cake valve 5 is installed on slag-drip opening, in circulation line III 10, have charge door, charging valve 11 is installed on charge door, it is air inlet that air intake threeway 10 also has a port, and air inlet valve 13 is installed on air inlet.
The screen drum 7 of this pollen pini circulating current screening impurity removing equipment is identical with screen drum 8 structures, screen drum comprises housing 41, screen cloth 43, feed pipe 40, drainage conduit 44, back-blowing device, housing 41 is tube structures, one end of housing 41 is provided with feed pipe 40, and the other end is provided with drainage conduit 44, and one end of feed pipe 40 is outside housing 41, the other end stretches in housing 41, one end of drainage conduit 44 is outside housing 41, and the other end stretches in housing 41, is also provided with exhaust outlet 42 on the sidewall of housing 41; Screen cloth 43 is tube structures, and screen cloth 43 is arranged in housing 41, and screen cloth 43 one end are contained on feed pipe 40 with hoop sleeve, and the other end is contained in drainage conduit 44 with hoop sleeve; Back-blowing device is comprised of back-flushing valve 47, blowback threeway 46 and air bleeding valve 45, port and the exhaust outlet 42 of blowback threeway 46 join, another port and air bleeding valve 45 join, and also have a port and back-flushing valve 47 to join, and the other end and the high-pressure air source of back-flushing valve 47 are joined.When air bleeding valve 45 is closed, back-flushing valve 47 is opened, and passes into high pressure draught screen cloth 43 is carried out to blowback in housing 41.
The second embodiment: a kind of pollen pini circulating current screening impurity-removing method.
The present embodiment adopts the pollen pini circulating current screening impurity removing equipment of the first embodiment to carry out the screening impurity-removing method of pollen pini, comprises the steps:
The adjustment of S1, equipment original state and startup: close residual cake valve 5, air inlet valve 13 and charging valve 11, open circulation stop valve 6, start blower fan 1, after having started, opens by blower fan 1 air inlet valve 13, regulate the aperture of control valve 9 between 5～40%, make the barotropic state of screen drum inside in 100～1000Pa;
S2, reinforced: opening charging valve 11, to add moisture be 8% pollen pini, the amount that adds pollen pini is 10% of circulation canal volume, pollen pini enters circulation canal under the effect of gravity and blower negative pressure, and under the effect of air-flow, form fluidisation state, with air-flow, in circulation canal, circulate, after having fed in raw material, close charging valve 11;
The separation of S3, heavy seeds: fluidisation state pollen pini enters cyclone dust collectors 3 with high velocity air, heavy seeds separates and traps in wall under centrifugal action from fluidisation state material, relend in the ash bucket that helps Action of Gravity Field to fall into cyclone dust collectors 3, pollen pini flows out through the air outlet of cyclone dust collectors 3 with air-flow;
S4, airflow screening: fluidisation state material enters after screen drum 7 and screen drum 8, the part pollen pini that is less than screen cloth 43 apertures is realized airflow screening with air-flow through screen cloth 43, and through air bleeding valve 45, discharge and collect by exhaust outlet 42 with air-flow, until be less than the pollen pini of mesh size, all discharge;
S5, deslagging: open residual cake valve 5, close circulation stop valve 6, standard-sized sheet control valve 9, cuts out air inlet valve 13, in equipment, leftover materials are discharged through residual cake valve 5 with air-flow;
S6, close blower fan 1.
Claims (4)
1. a pollen pini circulating current screening impurity removing equipment, it is characterized in that: described pollen pini circulating current screening impurity removing equipment comprises blower fan, circulation line I, cyclone dust collectors, circulation line II, circulation stop valve, screen drum, control valve, air intake threeway, circulation line III, screen drum is for airflow screening, comprise housing, screen cloth, feed pipe, drainage conduit, housing is tube structure, housing one end is provided with feed pipe, the other end is provided with drainage conduit, on the sidewall of housing, have exhaust outlet, screen cloth is tube structure, screen cloth is arranged in housing, screen cloth one end is communicated with feed pipe, the other end is communicated with drainage conduit, said modules is pressed fan outlet, circulation line I, cyclone dust collectors air inlet, cyclone dust collectors air outlet, circulation line II, circulation stop valve, screen drum feed pipe, screen drum drainage conduit, control valve, air intake threeway, circulation line III, the order of blower fan import is communicated with into circulation canal, in circulation line II, have slag-drip opening, residual cake valve is installed on slag-drip opening, it is air inlet that air intake threeway also has a port, and air inlet valve is installed on air inlet, in circulation line III, has charge door, and charging valve is installed on charge door.
2. pollen pini circulating current screening impurity removing equipment claimed in claim 1, it is characterized in that: back-blowing device is also installed on described screen drum, back-blowing device is comprised of back-flushing valve, blowback threeway and air bleeding valve, port and the exhaust outlet of blowback threeway join, another port and air bleeding valve join, also have a port and back-flushing valve to join, the other end and the high-pressure air source of back-flushing valve are joined.
3. the screening of the pollen pini circulating current described in claim 1 or 2 impurity removing equipment, is characterized in that: the more than one screen drum of connecting again on the circulation canal between described circulation stop valve and control valve.
4. the gas pollen pini circulating current screening impurity removing equipment described in application rights requirement 1 sieves the method for removal of impurities to pollen pini, comprises the following steps:
The adjustment of S1, equipment original state and startup: close residual cake valve, air inlet valve and charging valve, open circulation stop valve, start blower fan, after fan starting completes, open air inlet valve, regulate the aperture of control valve between 5～40%, make the barotropic state of screen drum inside in 100～1000Pa;
S2, reinforced: open the pollen pini that charging valve adds moisture to be less than 8%, add the amount of pollen pini to be no more than 10% of circulation canal volume, pollen pini enters circulation canal under the effect of gravity and blower negative pressure, and under the effect of air-flow, form fluidisation state, with air-flow, in circulation canal, circulate, after having fed in raw material, close charging valve;
The separation of S3, heavy seeds: fluidisation state pollen pini enters cyclone dust collectors with high velocity air, heavy seeds separates and traps in wall under centrifugal action from fluidisation state material, relend and help Action of Gravity Field to fall in cyclone dust collectors ash bucket, pollen pini flows out through cyclone dust collectors air outlet with air-flow;
S4, airflow screening: fluidisation state material enters after screen drum, the part pollen pini that is less than mesh size is realized airflow screening with air-flow through screen cloth, and by exhaust outlet, discharges collection with air-flow, until be less than the pollen pini of mesh size, all discharges;
S5, deslagging: open residual cake valve, close circulation stop valve, standard-sized sheet control valve, cuts out air inlet valve, in equipment, leftover materials are discharged through residual cake valve with air-flow;
S6, close blower fan.
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| CN201310748171.8A CN103721939B (en) | 2013-12-31 | 2013-12-31 | A kind of pollen pini circulating current screening impurity removing equipment and method |
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| CN201310748171.8A CN103721939B (en) | 2013-12-31 | 2013-12-31 | A kind of pollen pini circulating current screening impurity removing equipment and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104856198A (en) * | 2014-12-30 | 2015-08-26 | 昆明特康科技有限公司 | Drying method of seasoning food materials |
| CN104880046A (en) * | 2014-12-30 | 2015-09-02 | 昆明特康科技有限公司 | Viscous material drying equipment and method of producing SO2-free konjaku flour by using viscous material drying equipment |
| CN107127157A (en) * | 2017-06-29 | 2017-09-05 | 西安欧中材料科技有限公司 | The device and method thereof of special-shaped powder in a kind of separation globular metallic powder |
| CN108787460A (en) * | 2018-06-06 | 2018-11-13 | 张玉莲 | A kind of self-cleaning metal mining powder impurity separating device |
| IT201900004771A1 (en) | 2019-03-29 | 2020-09-29 | Fai Sicilia Federazione Apicoltori Italiani | DEVICE FOR CLEANING WITH AIR FLOW OF POLLEN GRANULES |
| CN113399132A (en) * | 2021-05-28 | 2021-09-17 | 天津水泥工业设计研究院有限公司 | Cyclone back-blowing impurity remover and grinding system with impurity removing function |
| CN114101065A (en) * | 2022-01-26 | 2022-03-01 | 山东街景智能制造科技股份有限公司 | Airflow screening device for powdery water purification material |
| CN114453251A (en) * | 2021-12-31 | 2022-05-10 | 东至县玉雪粮油有限责任公司 | Grain dust removal device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104856198A (en) * | 2014-12-30 | 2015-08-26 | 昆明特康科技有限公司 | Drying method of seasoning food materials |
| CN104880046A (en) * | 2014-12-30 | 2015-09-02 | 昆明特康科技有限公司 | Viscous material drying equipment and method of producing SO2-free konjaku flour by using viscous material drying equipment |
| CN107127157A (en) * | 2017-06-29 | 2017-09-05 | 西安欧中材料科技有限公司 | The device and method thereof of special-shaped powder in a kind of separation globular metallic powder |
| CN107127157B (en) * | 2017-06-29 | 2019-07-12 | 西安欧中材料科技有限公司 | The device and method thereof of special-shaped powder in a kind of separation globular metallic powder |
| CN108787460A (en) * | 2018-06-06 | 2018-11-13 | 张玉莲 | A kind of self-cleaning metal mining powder impurity separating device |
| IT201900004771A1 (en) | 2019-03-29 | 2020-09-29 | Fai Sicilia Federazione Apicoltori Italiani | DEVICE FOR CLEANING WITH AIR FLOW OF POLLEN GRANULES |
| CN113399132A (en) * | 2021-05-28 | 2021-09-17 | 天津水泥工业设计研究院有限公司 | Cyclone back-blowing impurity remover and grinding system with impurity removing function |
| CN113399132B (en) * | 2021-05-28 | 2022-06-21 | 天津水泥工业设计研究院有限公司 | Cyclone back-blowing impurity remover and grinding system with impurity removing function |
| CN114453251A (en) * | 2021-12-31 | 2022-05-10 | 东至县玉雪粮油有限责任公司 | Grain dust removal device |
| CN114101065A (en) * | 2022-01-26 | 2022-03-01 | 山东街景智能制造科技股份有限公司 | Airflow screening device for powdery water purification material |
| CN114101065B (en) * | 2022-01-26 | 2022-05-13 | 山东街景智能制造科技股份有限公司 | Likepowder water purification material air current screening plant |
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Effective date of registration: 20180622 Address after: 650106 305, third floor, Yunnan Software Park, 220 West Ring Road, Kunming High-tech Zone, Yunnan Patentee after: Yunnan Guzhiji Nutriment Co., Ltd. Address before: 675000 55 Xingyun street, Chuxiong Development Zone, Chuxiong Yi Autonomous Prefecture, Yunnan Patentee before: CHUXIONG CHANGQING SCIENCE & TECHNOLOGY CO., LTD. |
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