CN104261135A - Negative pressure feeding device for dry method granulator - Google Patents
Negative pressure feeding device for dry method granulator Download PDFInfo
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- CN104261135A CN104261135A CN201410489077.XA CN201410489077A CN104261135A CN 104261135 A CN104261135 A CN 104261135A CN 201410489077 A CN201410489077 A CN 201410489077A CN 104261135 A CN104261135 A CN 104261135A
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- storage vat
- powder
- negative pressure
- tube
- connecting pipe
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Abstract
The invention discloses a negative pressure feeding device for a dry method granulator. The negative pressure feeding device for the dry method granulator comprises a material storage cylinder and is characterized in that the interior of the material storage cylinder is provided with closed space; the bottom of the material storage cylinder is provided with a connecting pipe component; the connecting pipe component comprises an external connecting pipe, an internal connecting pipe, a powder blocking disc and a powder blocking cover; the external connecting pipe is fixedly installed at the bottom outside the material storage cylinder; the internal connecting pipe is inserted inside the external connecting pipe; the center of the internal connecting pipe is provided with a central pipe hole; the periphery of the external wall of the internal connecting pipe is provided with an air inlet channel; the powder blocking disc is arranged right above a central pipe hole inlet and the air inlet channel; the powder blocking disc enables interiors of the central pipe hole and the material storage cylinder to be communicated through a flow hole which is formed in the powder blocking disc after seals the central pipe hole; the powder blocking cover blocks above the flow hole and distance is formed between the powder blocking cover and the flow hole; the material storage cylinder is arranged in a left and right swinging mode; a sensor is installed at the bottom position or at the left or the right of the material storage cylinder. The negative pressure feeding device for the dry method granulator is applicable to negative pressure feeding and conveying of various powder and guarantees a smooth material conveying process, no-blocking and high material conveying efficiency.
Description
Technical field
The present invention relates to a kind of dry granulating machine, be specifically related to a kind of negative pressure feeding device of dry granulating machine.
Background technology
Dry granulating machine is applied to the production of grain products, and the first road production process of dry granulating machine is that the powder in storage vat is carried out the conveying of negative pressure material loading.At present, the mode of powder being carried out to negative pressure transportation has multiple, but there is feeding process in various degree and to have some setbacks easy putty, defect that feeding efficiency is low.For solving the problems of the technologies described above, applicant has applied for the utility model patent of a kind of patent No. 200820167664.7, patent name " negative pressure airflow transportation feed device " on November 11st, 2008, and this patented technology is passed through at charging basket
mixture core is set to regulate the solid-gas ratio of powder and air to improve feeding efficiency, by charging basket
oscillator is set to eliminate the blockage problem of filter screen.For charging basket
; the setting of mixture core is the object that can realize improving feeding efficiency; but be undeniablely; for the powder that those flowing power are very poor; during the work of mixture core, the inner effect due to attachment and cohesion of the powder of its periphery free accumulation easily produces " arch bridge " phenomenon; form arch bridge type space; increase void content; so; when once arch bridge type Spatial continual is formed, so just very easily produce the generation of continual putty phenomenon, feeding efficiency is subject to extreme influence at once; feeding work is caused to be paralysed time serious, even if charging basket
inside have paddle in stirring, but beating action is away from arch bridge forming position, does not have obvious effect to the elimination of arch bridge.
Summary of the invention
In view of the deficiencies in the prior art, the technical problem to be solved in the present invention is to provide a kind of negative pressure material loading conveying that can be suitable for various powder, guarantees the non-slurry pelletizing machine negative pressure feeding device of the smooth and easy not putty of feeding process and high feeding efficiency.
For solving the problems of the technologies described above, the present invention takes following technical scheme:
Non-slurry pelletizing machine negative pressure feeding device, comprises storage vat, it is characterized in that: storage vat inside has enclosure space, is cone shape at the bottom of the bucket of storage vat, is provided with the tube member connecting powder and export at the bottom of the bucket of storage vat, tube member comprises extension tube attached, inner connecting tube, gear powder dish and gear powder lid, fixedly mount at the bottom of the bucket of extension tube attached outside storage vat, inner connecting tube is inserted in extension tube attached, the center of inner connecting tube is provided with and exports with powder the central tube carrying out connecting by inner for storage vat, the outer wall periphery of inner connecting tube is provided with free air diffuser storage vat inside and extraneous air inlet being carried out connecting, free air diffuser crosses between the outer wall and the inwall of extension tube attached of inner connecting tube, described gear powder dish is located at directly over central tube import and free air diffuser outlet, the metering orifice be provided with by it again after central tube import is carried out shutoff by gear powder dish makes central tube communicate with storage vat inside, metering orifice vertically upward, described gear powder lid gear also and between metering orifice keeps standoff distance above metering orifice, described storage vat swings setting, position at the bottom of the bucket of storage vat or left or right sensor installation, and the sensing head of sensor inserts in storage vat and near gear powder dish, the output of sensor is for controlling swinging of storage vat.
Advantageous Effects of the present invention is: be 1. designed to cone shape at the bottom of the bucket of storage vat, the powder of flat storage vat when negative pressure material loading at the bottom of bucket can be avoided to form basin in free air diffuser outlet surrounding, cause air flow shortcircuit band not walked generation that powder enters the phenomenon of discharging opening, 2. storage vat inside is enclosure space, so when carrying out negative pressure material loading, extraneous air inlet enters into after in storage vat from the outlet of free air diffuser, can be taken away outward from the central tube of inner connecting tube after metering orifice with powder at once, realize improving feeding efficiency with specific solid-gas ratio, solid-gas ratio is relevant to the size of metering orifice, 3. because extraneous air inlet is pumped behind the powder inside of piling up again, the stirring action of powder has been participated in extraneous air inlet directly, thus make the powder of tube member periphery be in non-equilibrium state as much as possible, not only stop the generation of " arch bridge " phenomenon, and the powder contributing to the solving part circulation difference dead angle place or stick on a small quantity that is deposited in storage vat cannot to fall on bucket wall barrel at the bottom of the problem that siphoned away by negative pressure, 4. when the right of sensor position at the bottom of the bucket of storage vat is installed, start after storage vat is tilted to the right to carry out material loading work, the negative pressure that powder on the right of now at the bottom of bucket is subject to is relatively large, so the powder of bottom of the barrel position, the right is pumped very soon, but because the inclination at the bottom of this place's bucket is minimum, powder also the most easily produces attachment and cohesion, thus the most easily form the powder space in arch-shaped space or lack material, if there is scarce material so sensor namely can obtain perception, illustrate that very possible powder has arch-shaped space to be formed, so wide swing made by storage vat, storage vat is tilted to the right, destroy arch-shaped space, after wait setting-up time, storage vat backswing.In above-mentioned working process, because the powder of storage vat discharging opening not easily produces arch bridge phenomenon, and realize best solid-gas ratio, so the present invention can be suitable for the negative pressure material loading conveying of various powder, guarantee the smooth and easy not putty of feeding process and high feeding efficiency.
For preventing powder from piling up in the gear powder side of covering, more effectively stop the formation in arch bridge space, the optimal technical scheme that the present invention adopts: described gear powder lid has taper top.Taper top can also ensure that remaining powder can be piled up in around discharging opening, is more conducive to the solid powder air-flow of free air diffuser outlet air blowing formation and carries out feeding.
As preferably, described inner connecting tube, gear powder dish and gear powder lid are structure as a whole, and are threaded connection between inner connecting tube and extension tube attached.
accompanying drawing explanation
The present invention has following accompanying drawing:
Fig. 1 is structural representation of the present invention,
Fig. 2 is the partial enlarged drawing of Fig. 1.
Detailed description of the invention
Drawings illustrate technical scheme of the present invention and embodiment, further describe each details of embodiment below more by reference to the accompanying drawings.
As shown in the figure, non-slurry pelletizing machine negative pressure feeding device of the present invention, comprises storage vat 1, and storage vat 1 inside has enclosure space, is cone shape at the bottom of the bucket of storage vat 1, is provided with and connects the tube member 2 that powder exports 3 at the bottom of the bucket of storage vat 1, tube member 2 comprises extension tube attached 26, inner connecting tube 27, gear powder dish 23 and gear powder lid 21, fixedly mount at the bottom of the bucket of extension tube attached 26 outside storage vat 1, described inner connecting tube 27, gear powder dish 23 and gear powder lid 21 are structure as a whole, inner connecting tube 27 is inserted in extension tube attached 26, be threaded connection between inner connecting tube 27 and extension tube attached 26, the center of inner connecting tube 27 is provided with and exports 3 central tube 28 carrying out connecting by inner for storage vat 1 with powder, the outer wall periphery of inner connecting tube 27 is provided with the free air diffuser 25 storage vat 1 inside and extraneous air inlet 4 being carried out connecting, free air diffuser 25 crosses between the outer wall and the inwall of extension tube attached 26 of inner connecting tube 27, described gear powder dish 23 is located at directly over central tube 28 import (upper port of central tube) and free air diffuser outlet 24, the metering orifice 22 be provided with by it again after central tube 28 import is carried out shutoff by gear powder dish 23 makes central tube 28 communicate with storage vat 1 inside, metering orifice 22 vertically upward, described gear powder lid 21 keeps off and also and between metering orifice 22 keep standoff distance above metering orifice 22, described gear powder lid 21 has taper top, described storage vat 1 swings setting, pendulum angle controls at about 50 degree, relative position before swinging and after swinging as shown in fig. 1, improve the hunting range of storage vat, the right sensor installation 5 of position at the bottom of the bucket of storage vat 1, the sensing head insertion storage vat 1 of sensor 5 is interior and near gear powder dish 23, the output of sensor 5 is for controlling swinging of storage vat 1.
Working process of the present invention is: when carrying out negative pressure material loading, storage vat 1 is first in the position that is tilted to the right, powder exports 3 logical upper negative pressure of vacuum, the logical extraneous air inlet 4 of free air diffuser 25, because storage vat 1 inside is enclosure space, so when extraneous air inlet 4 enters into after in storage vat 1 from the outlet 24 of free air diffuser, can be taken away outward with the central tube 28 of powder from inner connecting tube 27 after metering orifice 22 at once, realize improving feeding efficiency with specific solid-gas ratio, because extraneous air inlet 4 is pumped behind the powder inside of piling up again, the stirring action of powder has been participated in extraneous air inlet 4 directly, thus makes the powder of tube member 2 periphery be in non-equilibrium state as much as possible, stops the generation of " arch bridge " phenomenon, storage vat 1 is now in the position that is tilted to the right, the negative pressure that powder at the bucket end is subject to is relatively large, so the powder of bottom of the barrel position, the right is pumped very soon, but because the inclination at the bottom of this place's bucket is minimum, powder also the most easily produces attachment and cohesion, thus the most easily form the powder space in arch-shaped space or lack material, if there is scarce material so sensor 5 namely can obtain perception, illustrate that very possible powder has arch-shaped space to be formed, so sensor 5 sends signal control storage vat 1 and does left to swing on a large scale, storage vat 1 is tilted to the left, destroy arch-shaped space, after wait setting-up time, storage vat 1 backswing.In above-mentioned working process, because the powder of storage vat discharging opening not easily produces arch bridge phenomenon, and realize best solid-gas ratio, so the present invention can be suitable for the negative pressure material loading conveying of various powder, guarantee the smooth and easy not putty of feeding process and high feeding efficiency.
Claims (3)
1. non-slurry pelletizing machine negative pressure feeding device, comprises storage vat, it is characterized in that: storage vat inside has enclosure space, is cone shape at the bottom of the bucket of storage vat, is provided with the tube member connecting powder and export at the bottom of the bucket of storage vat, tube member comprises extension tube attached, inner connecting tube, gear powder dish and gear powder lid, fixedly mount at the bottom of the bucket of extension tube attached outside storage vat, inner connecting tube is inserted in extension tube attached, the center of inner connecting tube is provided with and exports with powder the central tube carrying out connecting by inner for storage vat, the outer wall periphery of inner connecting tube is provided with free air diffuser storage vat inside and extraneous air inlet being carried out connecting, free air diffuser crosses between the outer wall and the inwall of extension tube attached of inner connecting tube, described gear powder dish is located at directly over central tube import and free air diffuser outlet, the metering orifice be provided with by it again after central tube import is carried out shutoff by gear powder dish makes central tube communicate with storage vat inside, metering orifice vertically upward, described gear powder lid gear also and between metering orifice keeps standoff distance above metering orifice, described storage vat swings setting, position at the bottom of the bucket of storage vat or left or right sensor installation, and the sensing head of sensor inserts in storage vat and near gear powder dish, the output of sensor is for controlling swinging of storage vat.
2. non-slurry pelletizing machine negative pressure feeding device according to claim 1, is characterized in that: described gear powder lid has taper top.
3. non-slurry pelletizing machine negative pressure feeding device according to claim 1, is characterized in that: described inner connecting tube, gear powder dish and gear powder lid are structure as a whole, and are threaded connection between inner connecting tube and extension tube attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410489077.XA CN104261135B (en) | 2014-09-23 | 2014-09-23 | Non-slurry pelletizing machine negative pressure feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410489077.XA CN104261135B (en) | 2014-09-23 | 2014-09-23 | Non-slurry pelletizing machine negative pressure feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104261135A true CN104261135A (en) | 2015-01-07 |
| CN104261135B CN104261135B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410489077.XA Expired - Fee Related CN104261135B (en) | 2014-09-23 | 2014-09-23 | Non-slurry pelletizing machine negative pressure feeding device |
Country Status (1)
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| CN (1) | CN104261135B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928639A (en) * | 2018-08-24 | 2018-12-04 | 安徽杰蓝特新材料有限公司 | Automatic gas collocation structure for the general suction device of multichannel powder particles |
| CN109051383A (en) * | 2018-09-04 | 2018-12-21 | 濮阳市鸿宇压力容器有限公司 | A kind of novel center feeder |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108584187B (en) * | 2018-04-28 | 2019-07-19 | 重庆瑞霆塑胶有限公司 | Prevent the storage vat of plastic material particle card plug |
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| WO2002100742A2 (en) * | 2001-06-09 | 2002-12-19 | Albert Ray Martin | Drop plate feeder |
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| US20100084777A1 (en) * | 2008-10-02 | 2010-04-08 | Parker Gerard E | Pyrospherelator |
| CN102134005A (en) * | 2011-01-21 | 2011-07-27 | 中国东方电气集团有限公司 | Double-type air-distribution plate and single pipe discharging sending tank |
| CN202346212U (en) * | 2011-11-23 | 2012-07-25 | 中冶华天工程技术有限公司 | Material conveyor |
| CN202897228U (en) * | 2012-09-27 | 2013-04-24 | 安徽泽加业粉体工程有限公司 | Negative pressure feeding machine of wet powder |
| CN204038617U (en) * | 2014-09-23 | 2014-12-24 | 浙江明天机械有限公司 | Non-slurry pelletizing machine negative pressure feeding device |
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2014
- 2014-09-23 CN CN201410489077.XA patent/CN104261135B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2925262B2 (en) * | 1990-07-25 | 1999-07-28 | 大和製衡株式会社 | Powder filling equipment |
| CN2389000Y (en) * | 1999-08-16 | 2000-07-26 | 清华大学 | Non-mechanical type solid material controller for descending bed reaction system |
| WO2002100742A2 (en) * | 2001-06-09 | 2002-12-19 | Albert Ray Martin | Drop plate feeder |
| WO2002100742A3 (en) * | 2001-06-09 | 2003-05-01 | Albert Ray Martin | Drop plate feeder |
| KR100768394B1 (en) * | 2006-09-13 | 2007-10-18 | 한국전력공사 | Hard material powder feeding device |
| US20100084777A1 (en) * | 2008-10-02 | 2010-04-08 | Parker Gerard E | Pyrospherelator |
| CN201287968Y (en) * | 2008-11-11 | 2009-08-12 | 浙江明天机械有限公司 | Negative pressure airflow transportation feed device |
| CN101544310A (en) * | 2009-05-05 | 2009-09-30 | 东南大学 | Cylindrical material-issuing tank of a plurality of air distributors and material-issuing tubes and multi-path material-issuing method thereof |
| CN102134005A (en) * | 2011-01-21 | 2011-07-27 | 中国东方电气集团有限公司 | Double-type air-distribution plate and single pipe discharging sending tank |
| CN202346212U (en) * | 2011-11-23 | 2012-07-25 | 中冶华天工程技术有限公司 | Material conveyor |
| CN202897228U (en) * | 2012-09-27 | 2013-04-24 | 安徽泽加业粉体工程有限公司 | Negative pressure feeding machine of wet powder |
| CN204038617U (en) * | 2014-09-23 | 2014-12-24 | 浙江明天机械有限公司 | Non-slurry pelletizing machine negative pressure feeding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928639A (en) * | 2018-08-24 | 2018-12-04 | 安徽杰蓝特新材料有限公司 | Automatic gas collocation structure for the general suction device of multichannel powder particles |
| CN109051383A (en) * | 2018-09-04 | 2018-12-21 | 濮阳市鸿宇压力容器有限公司 | A kind of novel center feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104261135B (en) | 2016-05-04 |
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Granted publication date: 20160504 Termination date: 20180923 |