CN103644710B - Negative-pressure circulation air steam dryer - Google Patents
Negative-pressure circulation air steam dryer Download PDFInfo
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- CN103644710B CN103644710B CN201310748908.6A CN201310748908A CN103644710B CN 103644710 B CN103644710 B CN 103644710B CN 201310748908 A CN201310748908 A CN 201310748908A CN 103644710 B CN103644710 B CN 103644710B
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Abstract
The invention discloses a negative-pressure circulation air steam dryer. The negative-pressure circulation air steam dryer forms a circulation channel by an air intake tee joint (1), a drying pipe (2), a deduster I (3), a deduster II (4), a material collecting hopper (5) and a material charger (10), which are communicated with one another; air streams are sucked from an air inlet (11) by a fan (12), and take away material moisture in the drying pipe (2) so as to become wet air; the wet air is drawn away by the fan (12) after being separated by each deduster; materials collected in the material collecting hopper (5) are circulated again by the material charger (10) so as to realize circulation drying.
Description
Technical field
The present invention relates to the circulating current drying equipment of a kind of granule materials, powder material.
Background technology
Pneumatic conveying dryer utilizes swiftly flowing air-flow make material form fluidisation state and in flow process, realize a kind of drying equipment of dry materials.Have heat transfer coefficient high, heat transfer area is large, the features such as drying time is short.
The time compole of existing most of pneumatic conveying dryer material in equipment is short, only has several seconds, is difficult to the bone dry realizing material.Patent of invention ZL2010101628876 has set forth a kind of drying equipment of powder material, this equipment produces negative pressure by main air blower makes material form fluidisation state at fluidizing chamber, fed in raw material by the self-conveyor feed be connected with fluidizing chamber, being separated of moisture and material is realized by sieve plate case, send the material of sieve plate case back to fluidizing chamber circulation by circulating fan, complex structure, material is easily deposited on sieve plate case, circulating effect is bad, is difficult to the bone dry realizing material.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of structure, circulates, can realize the Negative-pressure circulation air steam dryer of material bone dry.
Technical scheme of the present invention is: a kind of Negative-pressure circulation air steam dryer, comprise air inlet threeway, drying tube, deduster I, deduster II, aggregate bin, charger, described charger is self-conveyor feed, charger there are two charging apertures and a discharging opening, a charging aperture is provided with charging valve, another charging aperture is provided with control valve, deduster I ash releasing tube pressed by above-mentioned Negative-pressure circulation air steam dryer assembly, deduster II air inlet pipe, deduster II ash releasing tube, aggregate bin, charger control valve, charger discharging opening, air inlet threeway, drying tube, the sequential communication of deduster I air inlet pipe becomes circulation canal, air inlet threeway also has a port to be air inlet, aggregate bin is also provided with discharge gate, discharge gate is provided with blow-off valve, described Negative-pressure circulation air steam dryer also has blower fan and blast pipe, the air inlet of blower fan is communicated with by the exhaust outlet of blast pipe with each deduster, isolated for each deduster moisture is taken away.
Negative-pressure circulation air steam dryer of the present invention is work like this: start blower fan and charger, open charging valve to feed in raw material, material forms fluidisation state under the effect of high velocity air, the height of materials dispersion of fluidisation state in the gas flow, and carry out heat and exchange of moisture rapidly between gas, moisture fast vaporizing in material, moisture is taken away by blower fan after deduster is separated, material is collected in aggregate bin through remover ash discharge dust mouth, the material be collected enters charger cyclic drying by control valve, after dry materials is good, close control valve, open blow-off valve the material be collected in aggregate bin is discharged.
Deduster I and deduster II most preferably pulse bag type dust collector, pulse bag type dust collector in embodiment comprises housing, air inlet pipe, ash releasing tube, cloth bag and back-blowing device, housing is tube structure, shell one end is provided with air inlet pipe, the other end is provided with ash releasing tube, one end of air inlet pipe is outside housing, the other end stretches in housing, one end of ash releasing tube is outside housing, the other end stretches in housing, housing is also provided with exhaust outlet, cloth bag is arranged in housing, cloth bag one end hoop sleeve is contained in air inlet pipe, other end hoop sleeve is contained on ash releasing tube, back-blowing device is for removing the material being deposited under airflow function and cloth bag affecting cloth bag gas permeability, back-blowing device is by impulse electromagnetic valve, deflector and air bleeding valve composition, impulse electromagnetic valve is arranged on housing, its outlet is communicated with enclosure interior, import is connected with compressed air source, deflector is arranged on the place of positive paired pulses electromagnetic valve outlet in housing, make it directly can not blow to cloth bag for blocking compressed air, in order to avoid high-speed compressed air damages cloth bag, air bleeding valve is arranged on exhaust outlet, while exhaust valve closure, impulse electromagnetic valve is opened, pass into compressed air in housing and blowback is carried out to cloth bag.
In order to increase heating load, in drying tube, heater can be installed.
Negative-pressure circulation air steam dryer of the present invention is applicable to the drying of granule materials, powder material and ultrafine powder material, as the plant etc. of pollen pini, starch, chopping.
Negative-pressure circulation air steam dryer of the present invention is communicated with into circulation canal by air inlet threeway, drying tube, deduster I, deduster II, aggregate bin with charger, the air-flow produced by blower fan takes away material moisture in drying tube, moisture is taken away by blower fan after being separated by each deduster, the material be collected in aggregate bin is again joined in drying equipment by charger and carries out cyclic drying, circulating effect is good, device structure is simple, can realize the bone dry of material.
Accompanying drawing explanation
Fig. 1 is the structure chart of Negative-pressure circulation air steam dryer embodiment.
Fig. 2 is the sectional view of deduster I in Fig. 1.
In figure, each Reference numeral is: 1, air inlet threeway; 2, drying tube; 3, deduster I; 4, deduster II; 5, aggregate bin; 6, discharging opening; 7, control valve; 8, blow-off valve; 9, charging valve; 10, charger; 11, air inlet; 12, blower fan; 13, blast pipe; 40, air inlet pipe; 41, housing; 42, impulse electromagnetic valve; 43, deflector; 45, air bleeding valve; 46, exhaust outlet; 47, cloth bag; 48, clip; 49, ash releasing tube.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, but embodiment is not construed as limiting the invention.
See Fig. 1 and Fig. 2, this Negative-pressure circulation air steam dryer comprises air inlet threeway 1, drying tube 2, deduster I 3, deduster II 4, aggregate bin 5 and charger 10, deduster I 3, deduster II 4 adopts the pulse bag type dust collector that structure is identical, for being separated of moisture and material, charger 10 is self-conveyor feeds, charger 10 there are two charging apertures and a discharging opening 6, a charging aperture is provided with charging valve 9, another charging aperture is provided with control valve 7, deduster I ash releasing tube 49 pressed by above-mentioned Negative-pressure circulation air steam dryer assembly, deduster II air inlet pipe 40, deduster II ash releasing tube 49, aggregate bin 5, the control valve 7 of charger 10, the discharging opening 6 of charger 10, air inlet threeway 1, drying tube 2, the sequential communication of deduster I air inlet pipe 40 becomes circulation canal, described air inlet threeway 1 also has a port to be air inlet 11, described aggregate bin 5 is also provided with discharge gate, discharge gate there is blow-off valve 8, described Negative-pressure circulation air steam dryer also has blower fan 12 and blast pipe 13, the air inlet of blower fan 12 is connected by the air bleeding valve 45 of blast pipe 13 with each deduster, is taken away by isolated for each deduster moisture.
The deduster I that Fig. 2 represents is pulse bag type dust collector, comprises housing 41, air inlet pipe 40, ash releasing tube 49, cloth bag 47 and back-blowing device; Housing 41 is tube structures, and housing 41 one end is provided with air inlet pipe 40, and the other end is provided with ash releasing tube 49, one end of air inlet pipe 40 is outside housing 41, and the other end stretches in housing 41, and one end of ash releasing tube 49 is outside housing 41, the other end stretches in housing 41, and housing 41 is also provided with exhaust outlet 46; Cloth bag 47 is arranged in housing 41, and cloth bag 47 one end hoop sleeve is contained in air inlet pipe 40, and other end hoop sleeve is contained on ash releasing tube 49; Back-blowing device is made up of impulse electromagnetic valve 42, deflector 43 and air bleeding valve 45, and impulse electromagnetic valve 42 is arranged on housing 41, and its outlet is communicated with housing 41 inside, and import is connected with compressed air source; Deflector 43 is arranged on the place that in housing 41, positive paired pulses magnetic valve 42 exports, and makes it can not directly blow to cloth bag 47 for blocking compressed air, in order to avoid high-speed compressed air damages cloth bag 47; Air bleeding valve 45 is arranged on exhaust outlet, and while air bleeding valve 45 is closed, impulse electromagnetic valve 42 is opened, and passes into compressed air and carry out blowback to cloth bag 47 in housing 41.
Claims (3)
1. a Negative-pressure circulation air steam dryer, it is characterized in that: described Negative-pressure circulation air steam dryer comprises air inlet threeway, drying tube, deduster I, deduster II, aggregate bin, charger, described charger is self-conveyor feed, charger there are two charging apertures and a discharging opening, a charging aperture is provided with charging valve, another charging aperture is provided with control valve, deduster I ash releasing tube pressed by above-mentioned Negative-pressure circulation air steam dryer assembly, deduster II air inlet pipe, deduster II ash releasing tube, aggregate bin, charger control valve, charger discharging opening, air inlet threeway, drying tube, the sequential communication of deduster I air inlet pipe becomes circulation canal, described air inlet threeway also has a port to be air inlet, described aggregate bin is also provided with discharge gate, discharge gate is provided with blow-off valve, described Negative-pressure circulation air steam dryer also has blower fan and blast pipe, the air inlet of blower fan is communicated with by the exhaust outlet of blast pipe with each deduster.
2. Negative-pressure circulation air steam dryer according to claim 1, is characterized in that: described deduster I, deduster II are pulse bag type dust collectors.
3. Negative-pressure circulation air steam dryer according to claim 2, it is characterized in that: described pulse bag type dust collector comprises housing, air inlet pipe, ash releasing tube, cloth bag and back-blowing device, housing is tube structure, shell one end is provided with air inlet pipe, the other end is provided with ash releasing tube, one end of air inlet pipe is outside housing, the other end stretches in housing, one end of ash releasing tube is outside housing, the other end stretches in housing, housing is also provided with exhaust outlet, cloth bag is arranged in housing, cloth bag one end hoop sleeve is contained in air inlet pipe, other end hoop sleeve is contained on ash releasing tube, back-blowing device is by impulse electromagnetic valve, deflector and air bleeding valve composition, impulse electromagnetic valve is arranged on housing, its outlet is communicated with enclosure interior, import is connected with compressed air source, deflector is arranged on the place of positive paired pulses electromagnetic valve outlet in housing, make it directly can not blow to cloth bag for blocking compressed air, air bleeding valve is arranged on exhaust outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748908.6A CN103644710B (en) | 2013-12-31 | 2013-12-31 | Negative-pressure circulation air steam dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748908.6A CN103644710B (en) | 2013-12-31 | 2013-12-31 | Negative-pressure circulation air steam dryer |
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| CN103644710A CN103644710A (en) | 2014-03-19 |
| CN103644710B true CN103644710B (en) | 2015-06-17 |
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| CN201310748908.6A Active CN103644710B (en) | 2013-12-31 | 2013-12-31 | Negative-pressure circulation air steam dryer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105043087B (en) * | 2015-06-10 | 2017-11-03 | 东莞市联洲知识产权运营管理有限公司 | A kind of adjustable hopper of bleeder |
| CN109395824A (en) * | 2018-09-21 | 2019-03-01 | 昆明特康科技有限公司 | A kind of clean mill of rue and its application method and the product processed with the clean mill of rue |
| CN111207585B (en) * | 2020-03-16 | 2023-10-03 | 临沭县东升磨料有限公司 | Drying device for silicon carbide production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2046045A5 (en) * | 1969-05-12 | 1971-03-05 | Gen American Transfo | Drying apparatus for solid materials |
| CN201133752Y (en) * | 2007-10-18 | 2008-10-15 | 金裕生 | Vacuum thin film vibration fluidized drier |
| CN201688652U (en) * | 2010-05-24 | 2010-12-29 | 王燕琼 | Positive-pressure reverse blowing type boiling drier |
| CN201791438U (en) * | 2010-08-06 | 2011-04-13 | 伍顺洪 | Pulse bag type dust collector with spring filter bag framework |
| CN102494524A (en) * | 2011-12-07 | 2012-06-13 | 赵扬 | Circulating airflow drying device for pilot plant test |
| CN203053143U (en) * | 2013-01-08 | 2013-07-10 | 常州永邦干燥机械有限公司 | Fluidized drying machine |
-
2013
- 2013-12-31 CN CN201310748908.6A patent/CN103644710B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2046045A5 (en) * | 1969-05-12 | 1971-03-05 | Gen American Transfo | Drying apparatus for solid materials |
| CN201133752Y (en) * | 2007-10-18 | 2008-10-15 | 金裕生 | Vacuum thin film vibration fluidized drier |
| CN201688652U (en) * | 2010-05-24 | 2010-12-29 | 王燕琼 | Positive-pressure reverse blowing type boiling drier |
| CN201791438U (en) * | 2010-08-06 | 2011-04-13 | 伍顺洪 | Pulse bag type dust collector with spring filter bag framework |
| CN102494524A (en) * | 2011-12-07 | 2012-06-13 | 赵扬 | Circulating airflow drying device for pilot plant test |
| CN203053143U (en) * | 2013-01-08 | 2013-07-10 | 常州永邦干燥机械有限公司 | Fluidized drying machine |
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| CN103644710A (en) | 2014-03-19 |
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Inventor after: Yang Yusheng Inventor after: Du Juan Inventor after: Jia Yunjing Inventor before: Jia Ping Inventor before: Du Juan Inventor before: Jia Yunjing |
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Effective date of registration: 20160317 Address after: 675000 Yunnan Yi Autonomous Prefecture in Chuxiong province Chuxiong Industrial Park Development Zone zhaojiawan bio Industrial Zone Patentee after: Yunnan Shiji Huabao Pharmaceutical Industry Development Co., Ltd. Address before: 202 room 1, unit 5, dismount Village, union Town, Yunnan, Kunming, 650236 Patentee before: Kunming Tiankang Science & Technology Limited Company |