CN201871358U - Continuous rotary type grain cutting and drying machine - Google Patents
Continuous rotary type grain cutting and drying machine Download PDFInfo
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- CN201871358U CN201871358U CN2010205695979U CN201020569597U CN201871358U CN 201871358 U CN201871358 U CN 201871358U CN 2010205695979 U CN2010205695979 U CN 2010205695979U CN 201020569597 U CN201020569597 U CN 201020569597U CN 201871358 U CN201871358 U CN 201871358U
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Abstract
The utility model discloses a continuous rotary type grain cutting and drying machine. The grain cutting and drying machine integrates grain cutting and grain drying into one body, and comprises a cylindrical drum, a driving device, a supporting plate and a cutter device, wherein the cutter device comprises cutter brackets, a cutter and a supporting shaft; the cutter brackets are disk-shaped and arranged at the both ends of the supporting shaft; and a string-shaped cutter is arranged along the direction of the supporting shaft between the two cutter brackets. In the continuous rotary type grain cutting and drying machine, with the adoption of the continuous string-shaped cutter, the drum length is shortened, and the grains are naturally broken only through the difference of the mechanical strength of the strip-shaped materials but not forcefully broken through the pure mechanical force, so as to greatly reduce the dust and fragments and improve the grain cutting quality. Meanwhile, the hot-wind type drying and/or hot-wall type drying is adopted, the materials are cut into grains to reach the preset length and realize the ideal drying state, so as to reduce the catalyst production step and fully develop the limited equipment.
Description
Technical field
The utility model relates to a kind of continuous rotary granulated and dried machine.This granulated and dried machine is particularly useful for providing in catalyst or the catalyst carrier preparation process pelletizing of bar shaped catalyst and dry integrated.
Background technology
In the heterogeneous catalysis technical process, employed catalyst in the petroleum chemical industry for example, often the granularity to catalyst has certain requirement, strip such as bar shaped catalyst or carrier, all be by after the banded extruder extrusion molding, length range on request cuts off bar and get, and this cut-out operation is called disconnected bar or pelletizing.
The moulding of using banded extruder to carry out catalyst or carrier in the production process of catalyst or carrier is extensive use of.Yet catalyst of extruding or carrier generally are made up of multiple material, and the bar behind the extruded moulding is actually a quality bar heterogeneous.The environment for use of catalyst requires catalyst that certain length and granularity are arranged, and has determined the granularity of catalyst when banded extruder is extruded, and this just requires catalyst will carry out the adjustment of length in preparation process.Catalyst is under the external force effect that is collided, vibrates, impacts, and bar is easy to from mechanical strength weak fracture, and this fracture mode is called the nature fracture.Yet to put mainly be dissection by means of cutting knife and so on to used strip breaker during at present catalyst or preparing carriers were produced, and strip used external force to cut off under certain condition, and this fracture mode is called forces fracture.In fact, put the post-rift catalyst of pressure by strip breaker and also have the nature fracture, so just increased the percentage of damage of strip such as catalyst, product yield is low.
Drying in catalyst or carrier production process is the process that a kind of purpose is to remove adsorbed water, generally carries out in 60～200 ℃ of air.In present Catalyst Production process, the drying mode of catalyst has pallet, rotary drum, fluid bed, flash distillation, tunnel, small handcart, van-type, air-flow and spray-drying etc.Extensive use be van-type, tunnel type and rotary drum.
CN2483106Y discloses a kind of disconnected bar screening machine, this machine is that the disconnected bar of collection is the equipment of one with screening, form by frame, reducing motor, turning cylinder, loading tray and discharge bucket, abacus below the loading tray wherein, there is retaining hole castor bar the orifice plate below, there is sieve powder discharge bucket retaining hole castor bar below, is a tilting screen cloth below the sieve powder discharge bucket; The turning cylinder that reducing motor drives passes the center of loading tray to the loading tray bottom, stirs wing and disconnected bar wing on turning cylinder, stirs wing and is positioned at above the orifice plate, and disconnected bar wing is calculated between the bar at orifice plate and retaining hole.Should disconnected bar screening machine be to adopt the disconnected bar of disconnected bar wing, be to belong to the positive mechanical break method, still has the percentage of damage height, the problem that product yield is low.
CN85205230 discloses a kind of rotary drum pelleter, is made up of rotary drum, transmission device three parts that are installed in the impinger in the rotary drum and regulate both rotating speeds.Impinger comprises many group collision impellers, and the collision impeller is fixed on the U-shaped bracing frame that is connected with central shaft by many parallel collision blades and constitutes.This pelleter causes the discontinuity of pelletizing process owing to be provided with many group collision impellers, has increased rotary drum length.
Pelletizing and drying all are to carry out in the equipment that separates in above-mentioned catalyst or the carrier production process, long flow path, step complexity.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of percentage of damage is low, product yield is high, continuity is good pelletizing and drying integrated continuous rotary granulated and dried machine.
Continuous rotary granulated and dried machine described in the utility model, comprise cylindrical shape rotating cylinder, transmission device, supporting plate, cutter, the inwall of rotating cylinder is provided with supporting plate, cutter is arranged on the center of rotating cylinder, independent rotation, wherein cutter comprises cutter supporter, cutting knife and back shaft, cutter supporter is discoid, be arranged on the two ends of back shaft, between two cutter supporter along the back shaft direction cutting knife that be arranged in parallel, cutting knife is thin-line-shaped, and cutting knife is provided with a circle or a multi-turn in the diametric(al) of cutter supporter, and several are set in a circumferential direction; This granulated and dried machine adopts hot air type drying and/or wall heating type drying.
Described continuous rotary granulated and dried machine, the support bar of one or more vertical support axles is set on the back shaft between two cutter supporter, support bar one end links to each other with back shaft, support bar links to each other with cutting knife, be used for fixing cutting knife, the method of fixed cutting tool has multiple, preferably adopts and open aperture on support bar, and cutting knife is fixed by aperture.Support bar preferably divides into groups to be arranged on the back shaft, and the distance between adjacent set equates that every group of support bar is provided with according to cutting knife quantity and position, and support bar is radially evenly distributed.Described support bar preferably is divided into 2～5 groups, and every group is provided with 4～10 support bars.
Described cutting knife can also be connected on support and the support bar except two ends are connected on the cutter supporter, also can be connected on two support bars, and the direction of cutting knife is parallel with back shaft.
Described supporting plate can be a continous way, also can be discontinuous, the best and rotating cylinder axially parallel of described supporting plate.The adjustable angle of supporting plate and cylindrical shell is in order to control the direction that material drops.Described supporting plate quantity and position can be selected according to the length of required material.
Described cutter can with rotating cylinder with equidirectional or rightabout independent rotation, preferably adopt rightabout to rotate.
Described transmission device comprises support drive and support component, wherein rotating cylinder is positioned over and supports on the drive, supporting drive is positioned on the support component, support drive the support of cylindrical shell and the rotational power that relies on frictional force to provide are provided simultaneously, support drive and rely on frictional force that rotating cylinder is rotated.Rotating cylinder is axially having certain gradient, is generally 1-25 °.
Described cutting knife is thin-line-shaped, preferably steel wire or nylon yarn, and cutting knife can be connected between two cutter supporter in any way, preferably welding or fixed with nut.Outer end, cutter supporter both sides is provided with the elasticity that turnbuckle is used to adjust cutting knife.
Drying in the granulated and dried machine of the present utility model is by the hot air type drying, perhaps wall heating type drying, or both combined dryings.Described hot air type drying is to adopt the back shaft of hollow structure, and the hot-blast outlet hole is set on the wall of back shaft, the quantity in hole is provided with according to actual needs, and preferably the quantity along Flow of Goods and Materials direction hole increases gradually, and the rotating cylinder temperature inside is raise gradually along the Flow of Goods and Materials direction.Described hot blast can be in steam, air, the inert gas one or more.Described wall heating type drying is on the rotating cylinder inwall heating unit to be set, and adopts Electric heating, cylindrical shell several axially are set, and control rotating cylinder temperature inside raises gradually along the Flow of Goods and Materials direction.Combined drying is the dry and dry combination of wall heating type of hot air type.The baking temperature of rotating cylinder inside is controlled between 60～200 ℃, and according to actual needs, control port of export temperature is higher, and the arrival end temperature is lower, raises gradually along the Flow of Goods and Materials direction.
The utility model is provided with charging aperture at the front end of rotating cylinder, and end is provided with discharging opening.
Described rotating cylinder and cutter can use infinitely variable speed transmission to drive, and also can be driven by gear or belt.The rotating speed of described cutter preferably is higher than the rotating speed of rotating cylinder.The rotating speed of rotating cylinder and cutter and rotating ratio require to regulate according to the material desired particle size.
Description of drawings
Fig. 1 turns round the transverse cross-sectional view of granulated and dried machine continuously for the utility model;
Fig. 2 turns round the longitudinal sectional drawing of granulated and dried machine continuously for the utility model;
Fig. 3 turns round the structural representation of support bar in the granulated and dried machine continuously for the utility model;
The structural representation of back shaft when Fig. 4 turns round granulated and dried machine employing hot air type drying continuously for the utility model;
Fig. 5 turns round the structural representation that the granulated and dried machine adopts the wall heating type drying continuously for the utility model;
Each figure notation is specific as follows in the accompanying drawing: 1, rotating cylinder, 2, supporting plate, 3, cutter supporter, 4, back shaft, 5, support bar, 6, cutting knife, 7, support component, 8, charging aperture, 9, discharging opening, 10, hot-wind inlet, 11, waste gas outlet, 12, drive, 13, circular hole, 14, back shaft hot-blast outlet hole, 15, heating unit.
Specific implementation method
Below in conjunction with accompanying drawing the utility model is made detailed description.
Continuous rotary granulated and dried machine described in the utility model, with pelletizing and drying integrated, comprise cylindrical shape rotating cylinder 1, supporting plate 2, by supporting the transmission device that drive 12 and support component 7 constitute, cutter, wherein the inwall of rotating cylinder 1 is provided with the continous way supporting plate 2 with the rotating cylinder axially parallel, cutter is arranged on the center of rotating cylinder 1 inside, independent rotation, cutter supporter 3 is discoid, be arranged on the two ends of back shaft 4, along the back shaft direction cutting knife 6 is set between two cutter supporter, cutting knife is thin-line-shaped, and cutting knife is provided with a circle or a multi-turn in the diametric(al) of cutter supporter, and several are set in a circumferential direction.The support bar 5 of many group vertical support axles is set on the back shaft between two cutter supporter, every group is provided with a plurality of a plurality of support bars 5 that radially are evenly distributed, each support bar 5 one end links to each other with back shaft 4, and support bar 5 links to each other with cutting knife 6, is used for fixing cutting knife 6, the method of fixed cutting tool 6 has multiple, preferably adopt and on support bar 5, open small sircle hole 13, cutting knife is passed through small sircle hole 13, the so both radial position of fixed cutting tool 6, have certain elasticity again, prolong the service life of cutting knife.This continuous rotary granulated and dried machine adopts hot air type drying and/or hot wall type drying, wherein the hot air type drying is to adopt the back shaft 4 of hollow structure, and back shaft hot-blast outlet hole 14 is set on the wall of back shaft 4, the quantity in hole is that the quantity along Flow of Goods and Materials direction hole increases gradually, and the rotating cylinder temperature inside is raise gradually along the Flow of Goods and Materials direction.Described wall heating type drying is on rotating cylinder 1 inwall heating unit 15 to be set, and adopts Electric heating, cylindrical shell several axially are set, and control rotating cylinder temperature inside raises gradually along the Flow of Goods and Materials direction.Front top at continuous rotary granulated and dried machine described in the utility model is provided with waste gas outlet 11, is used for discharging the waste gas that this granulated and dried machine forms in the dry materials process.
Pretreated strip-shaped materials enters in the rotating cylinder 1 by charging aperture 8, rotation along with rotating cylinder, material is lifted by supporting plate 2, when supporting plate 2 was lifted to certain altitude along with the rotation of cylindrical shell, because the variation of supporting plate angle, material was owing to the free-falling of gravity reason, bump against with the cutting knife that rotates, strip-shaped materials is in the fracture of the most weak position of mechanical strength, and the strip-shaped materials after the collision can fall to being held up by supporting plate 2 once more on the revolving drum 1 and continue to rotate with rotating cylinder, continues collision with cutting knife 6.When material entered rotating cylinder 1, hot blast entered granulated and dried machine inside by hot-wind inlet 10 by the back shaft hot-blast outlet 14 that is provided with on the back shaft 4, according to actual conditions the quantity of back shaft hot-blast outlet was set, and made rotating cylinder inside have thermograde.Because cylindrical shell has certain gradient, when material turns to rotating cylinder when exporting 9, granularity and aridity just in time reach requirement.
Continuous rotary granulated and dried machine of the present utility model has been owing to used continuous cutting knife pattern, thereby shortened the cylindrical shell length of rotating cylinder; Because what use in disconnected bar process is the fracture naturally of depending on collision to produce, only be the difference that relies on the mechanical strength of bar, rather than pure mechanicals efforts ruptures by force, thus significantly reduced the generation of dust and fragment, thus improved the quality of pelletizing.Because this granulated and dried machine is pelletizing and drying integrated, also reaches desirable drying regime in the material pelletizing in predetermined length, has reduced the Catalyst Production step, makes limited equipment obtain giving full play to.
Claims (16)
1. continuous rotary granulated and dried machine, comprise cylindrical shape rotating cylinder, transmission device, supporting plate, cutter, the inwall of rotating cylinder is provided with supporting plate, cutter is arranged on the center of rotating cylinder, independent rotation, it is characterized in that described cutter comprises cutter supporter, cutting knife and back shaft, wherein cutter supporter is discoid, be arranged on the two ends of back shaft, along the back shaft parallel direction cutting knife is set between two cutter supporter, cutting knife is thin-line-shaped, cutting knife cutter supporter radially be provided with one the circle or multi-turn, several are set in a circumferential direction; This granulated and dried machine adopts hot air type drying and/or wall heating type drying.
2. according to the described continuous rotary granulated and dried of claim 1 machine, it is characterized in that the support bar of one or more vertical support axles is set, and support bar is used for fixing cutting knife on the back shaft between two cutter supporter.
3. according to the described continuous rotary granulated and dried of claim 2 machine, the mode that it is characterized in that described support bar fixed cutting tool is to adopt to open aperture on support bar, and cutting knife is fixed by aperture.
4. according to the described continuous rotary granulated and dried of claim 2 machine, it is characterized in that described support bar grouping is arranged on the back shaft, the distance between adjacent set equates that every group of support bar radially evenly distributes.
5. according to the described continuous rotary granulated and dried of claim 4 machine, it is characterized in that described support bar divides 2～5 groups, every group is provided with 4～10 support bars.
6. according to the described continuous rotary granulated and dried of claim 2 machine, it is characterized in that described cutting knife by being connected between cutter supporter and support bar, perhaps connects between support bar.
7. according to the described continuous rotary granulated and dried of claim 1 machine, it is characterized in that described supporting plate is a continous way, or discontinuous, described supporting plate and rotating cylinder axially parallel.
8. according to the described continuous rotary granulated and dried of claim 1 machine, it is characterized in that described cutter and rotating cylinder independent rotation in the opposite direction.
9. according to the described continuous rotary granulated and dried of claim 1 machine, it is characterized in that described transmission device comprises support drive and support component, wherein rotating cylinder is positioned over and supports on the drive, supports drive and is positioned on the support component, and rotating cylinder is 1～25 ° in axial gradient.
10. according to the described continuous rotary granulated and dried of claim 1 machine, it is characterized in that described cutting knife is steel wire or nylon yarn.
11., it is characterized in that described cutter supporter outer end is provided with turnbuckle according to the described continuous rotary granulated and dried of claim 1 machine.
12., it is characterized in that the rotating speed of described cutter is higher than the rotating speed of rotating cylinder according to the described continuous rotary granulated and dried of claim 1 machine.
13., it is characterized in that described hot air type drying is to adopt the back shaft of hollow structure, and the hot-blast outlet hole be set on the wall of back shaft according to the described continuous rotary granulated and dried of claim 1 machine.
14., it is characterized in that the hot-blast outlet hole on the described support axial wall is increased gradually along the quantity in Flow of Goods and Materials direction hole according to the described continuous rotary granulated and dried of claim 13 machine.
15., it is characterized in that described hot blast is one or more in steam, air, the inert gas according to the described continuous rotary granulated and dried of claim 1 machine.
16. according to the described continuous rotary granulated and dried of claim 1 machine, it is characterized in that described wall heating type drying is on the rotating cylinder inwall heating unit to be set, adopt Electric heating, cylindrical shell several axially are set, and control rotating cylinder temperature inside raises gradually along the Flow of Goods and Materials direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205695979U CN201871358U (en) | 2010-10-14 | 2010-10-14 | Continuous rotary type grain cutting and drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205695979U CN201871358U (en) | 2010-10-14 | 2010-10-14 | Continuous rotary type grain cutting and drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201871358U true CN201871358U (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205695979U Expired - Lifetime CN201871358U (en) | 2010-10-14 | 2010-10-14 | Continuous rotary type grain cutting and drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201871358U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009520A (en) * | 2011-09-28 | 2013-04-03 | 深圳光启高等理工研究院 | Auxiliary prepreg heating device |
| CN105276936A (en) * | 2014-06-25 | 2016-01-27 | 安徽扬子化工有限公司 | Efficient rotary drier |
| CN108380137A (en) * | 2018-03-07 | 2018-08-10 | 霍尔果斯汉智医药科技有限公司 | A kind of multi-functional pellet granulator |
| CN117387331A (en) * | 2023-12-11 | 2024-01-12 | 淄博万华机械设备有限公司 | Rotary drum dryer and drying method thereof |
-
2010
- 2010-10-14 CN CN2010205695979U patent/CN201871358U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009520A (en) * | 2011-09-28 | 2013-04-03 | 深圳光启高等理工研究院 | Auxiliary prepreg heating device |
| CN105276936A (en) * | 2014-06-25 | 2016-01-27 | 安徽扬子化工有限公司 | Efficient rotary drier |
| CN108380137A (en) * | 2018-03-07 | 2018-08-10 | 霍尔果斯汉智医药科技有限公司 | A kind of multi-functional pellet granulator |
| CN108380137B (en) * | 2018-03-07 | 2023-10-20 | 霍尔果斯汉智医药科技有限公司 | Multifunctional pellet granulator |
| CN117387331A (en) * | 2023-12-11 | 2024-01-12 | 淄博万华机械设备有限公司 | Rotary drum dryer and drying method thereof |
| CN117387331B (en) * | 2023-12-11 | 2024-02-20 | 淄博万华机械设备有限公司 | Rotary drum dryer and drying method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |