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Pollen pini circulation airflow screening and impurity removing device and method

A technology of circulating airflow and pine pollen, which is applied in chemical instruments and methods, separating solids from solids by airflow, and separating solids, etc., can solve the problems of low screening efficiency and poor separation effect, and achieve screening efficiency. high effect

Inactive Publication Date: 2014-04-16
YUNNAN GUZHIJI NUTRIMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the separation of impurities in pine pollen raw materials is mainly achieved by vibrating sieve screening. This equipment and method can only separate impurities in pine pollen that are larger than the particle size of pine pollen cells, and the screening efficiency is low.
Patents CN200310105344 and CN200320106449 disclose a method and equipment for drying and removing sand and impurities of pine pollen. The method and equipment are mainly used for separating heavy impurities, and the effect of separating light impurities larger than the particle size of pine pollen cells is not good.

Method used

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  • Pollen pini circulation airflow screening and impurity removing device and method
  • Pollen pini circulation airflow screening and impurity removing device and method

Examples

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no. 1 example

[0020] The first embodiment: a kind of equipment for screening and removing impurities by circulating air flow of pine pollen.

[0021] see figure 1 and figure 2 , the pine pollen circulating airflow screening and impurity removal equipment, including fan 1, circulation pipeline Ⅰ 2, cyclone dust collector 3, circulation pipeline Ⅱ 4, circulation cut-off valve 6, sieve cylinder 7, sieve cylinder 8, regulating valve 9, air inlet Tee 10, Circulation Pipeline Ⅲ12, the above components are fan 1 outlet, Circulation Pipeline Ⅰ2, Cyclone Dust Collector 3 Air Inlet, Cyclone Dust Collector 3 Air Outlet, Circulation Pipeline Ⅱ4, Circulation Stop Valve 6, Screen Drum 7 Feed Pipe 40, sieve cylinder 7 discharge pipe 44, sieve cylinder 8 feed pipe 40, sieve cylinder 8 discharge pipe 44, regulating valve 9, air inlet tee 10, circulation pipeline III 12, fan 1 inlet are connected in order to form a cycle channel; there is a slag discharge port on the circulation pipeline Ⅱ4, and a slag di...

no. 2 example

[0023] The second embodiment: a method for sieving and removing impurities by circulating airflow of pine pollen.

[0024] This embodiment adopts the pine pollen circulating airflow screening and impurity removal equipment of the first embodiment to carry out the screening and impurity removal method for pine pollen, including the following steps:

[0025] S1. Adjustment and start-up of the initial state of the equipment: close the slag discharge valve 5, the air inlet valve 13 and the feeding valve 11, open the circulation cut-off valve 6, start the fan 1, open the air inlet valve 13 after the fan 1 is started, and adjust the regulating valve 9 The opening of the screen is between 5% and 40%, so that the inside of the screen drum is in a positive pressure state of 100-1000Pa;

[0026] S2, feeding: open the feeding valve 11 and add pine pollen with a moisture content of 8%, the amount of pine pollen added is 10% of the volume of the circulation channel, and the pine pollen ent...

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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 [0001] The invention relates to a device for screening and removing impurities of pine pollen and a method for screening and removing impurities. Background technique [0002] According to the definition of my country's pine pollen industry standard (GH / T1030-2004), pine pollen is the male reproductive cells of Pinus massoniana Lamb, Pinus tabulaeformis Carr or several plants of the same genus. Pine pollen bodies are easy to fly, have good fluidity, do not agglomerate under normal conditions, and exist in the form of single cells. Observed under a microscope, the surface of the pine pollen cells is smooth, with a total length of 60-120 microns, a body width of 50-60 microns, a body height of 30-50 microns, and a flat oval shape, belonging to micron-sized powder materials. Pine pollen will be mixed with a lot of impurities in the raw material production process. The impurities in the pine pollen raw material are divided into three types according to the parti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B7/06B07B9/02B07B11/08B04C9/00A23L1/076A23L21/20
Inventor 杜娟贾平王进能
Owner YUNNAN GUZHIJI NUTRIMENT CO LTD
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