CN110919813B - Spiral-hemisphere branch combined intelligent silicon nitride dry granulation integrated device - Google Patents
Spiral-hemisphere branch combined intelligent silicon nitride dry granulation integrated device Download PDFInfo
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- CN110919813B CN110919813B CN201911207688.XA CN201911207688A CN110919813B CN 110919813 B CN110919813 B CN 110919813B CN 201911207688 A CN201911207688 A CN 201911207688A CN 110919813 B CN110919813 B CN 110919813B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/004—Devices for shaping artificial aggregates from ceramic mixtures or from mixtures containing hydraulic binder
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/10—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in stationary drums or troughs, provided with kneading or mixing appliances
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
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Abstract
The invention discloses a spiral-hemispherical branch combined intelligent silicon nitride dry granulation integrated device which comprises a supporting system, a stirring granulation system, a feeding system, an atomizing system and an intelligent control system.
Description
Technical Field
The invention relates to the technical field of powder granulation, in particular to a silicon nitride powder granulating device.
Background
The silicon nitride ceramic has excellent performances of corrosion resistance, high temperature resistance, good impact resistance and the like, and is widely applied to the fields of aerospace and military industry. The silicon nitride granulating device is used for preparing the silicon nitride powder into silicon nitride particles with certain particle gradation by granulating the superfine silicon nitride powder through a granulating technology, so that a blank body with better performance can be prepared during molding, thereby meeting the production requirement of silicon nitride products and leading the silicon nitride products to have more mechanical performance.
The existing silicon nitride ceramic granulating device is mainly divided into a wet granulating device and a dry granulating device. In the wet granulation device, the granulation process mainly comprises slurry grinding, slurry atomization, spray drying and pelletizing, and particle spray discharging. The whole preparation process flow is complex, the scale of machine equipment is large, particularly in the process that slurry is dried into balls after entering a spray drying tower and the water is evaporated under the action of high temperature in the slurry, the heat transfer efficiency is low due to numerous internal equipment and complex mechanisms, and the heat efficiency is about 30-40%. The dry preparation device simplifies the preparation process, mainly comprises the processes of feeding, mixing, granulating, discharging and the like, the whole process flow is finished in the granulating chamber, the high-speed operation is mainly carried out by the granulating structure, the powder is repeatedly acted, the powder is continuously turned over and collided in the granulating chamber, and finally the granulating process is finished. Compared with a wet preparation process, the dry preparation technology improves the production efficiency, has lower energy consumption and small occupied area, and can realize small-scale preparation, so that the dry granulation device has greater advantages compared with the wet granulation device.
In the silicon nitride ceramic dry granulation device that adopts at present, the geometric parameter and the space parameter of pelletization structure are the important factor that influences the pelletization equipment pelletization effect, mainly be vibration stirring formula pelletization device and strong adverse current hybrid preparation device among the silicon nitride ceramic dry granulation device of current, what adopt is single vertical stirring pelletization structure more, it is single to pelletize the space structure, this pelletization structure is in the pelletization process, the three-dimensional motion route of powder is single, mainly drive the silicon nitride powder and do radial motion, and the axial motion of powder is less, lead to the pelletization device pelletization effect not good. In addition, the existing silicon nitride ceramic dry granulation device has the advantages that the driving motor is mostly at a fixed rotating speed, the granulation effect of the device is single, and the change of the preparation requirement cannot be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a spiral-hemispherical branch combined intelligent silicon nitride dry granulation integrated device, which adopts a multi-structure combined granulation structure to enlarge the movement path of powder and enhance the granulation effect.
The purpose of the invention is realized by the following technical scheme:
the invention provides a spiral-hemispherical branch combined intelligent silicon nitride dry granulation integrated device which comprises a supporting system, a stirring granulation system, a feeding system, an atomization system and an intelligent control system, wherein the supporting system is connected with the stirring granulation system through a pipeline;
the supporting system comprises a granulation chamber fixing frame and a feeding bin fixing frame;
the stirring and granulating system comprises a granulating chamber, a rotary structure, a belt, a granulating chamber driving motor and a stirring and granulating mechanism; the granulating chamber is in a horizontal cylindrical shape, and two ends of the granulating chamber are arranged on a fixing frame of the granulating chamber through a rotary structure; the granulating chamber driving motor is connected to the middle part of the granulating chamber through a belt to drive the granulating chamber to rotate; the stirring granulating mechanism comprises a first transmission shaft, a first spiral-circular ring combined granulating structure, a first hemispherical-spiral branch combined granulating structure, a second transmission shaft, a second spiral-circular ring combined granulating structure and a second hemispherical-spiral branch combined granulating structure; the first transmission shaft and the second transmission shaft are horizontally arranged, the first spiral-circular ring combined granulating structure and the first hemispherical-spiral branch combined granulating structure, the second spiral-circular ring combined granulating structure and the second hemispherical-spiral branch combined granulating structure are respectively arranged at the inner ends of the first transmission shaft and the second transmission shaft and are symmetrically positioned in the granulating chamber, and the edge of the hemispherical support of the first hemispherical-spiral branch combined granulating structure and the edge of the hemispherical support of the second hemispherical-spiral branch combined granulating structure are sleeved in the annular sleeve; the outer ends of the first transmission shaft and the second transmission shaft are respectively arranged on the rotary structure in a penetrating way, and the end heads of the first transmission shaft and the second transmission shaft are respectively connected and driven by a first driving motor and a second driving motor;
the feeding system comprises a feeding hole, a discharging hole, a feeding conveying pipe and a storage bin; the feed inlet and the discharge outlet are respectively arranged on two side surfaces of the granulating chamber in an oblique symmetry manner; the storage bin is arranged above the granulating chamber through a feeding bin fixing frame, and an outlet of the storage bin is connected to the feeding hole through a feeding conveying pipe;
the atomization system comprises at least two atomized liquid storage chambers and ultrasonic atomization nozzles connected with the atomized liquid storage chambers, the atomized liquid storage chambers are arranged on the side surfaces of the granulation chambers, and the ultrasonic atomization nozzles are positioned in the granulation chambers and correspond to the stirring granulation mechanism in an oblique symmetry manner;
the intelligent control system comprises a visual control panel and a single chip microcomputer; visual control panel sets up on pelletization room mount, the first driving motor of drive control, second driving motor, pelletization room driving motor, ultrasonic atomization nozzle are connected to the singlechip.
Furthermore, the first spiral-ring combined granulating structure and the second spiral-ring combined granulating structure are respectively composed of double spiral surfaces which are symmetrically arranged and double rings which are positioned on the screw pitch and are vertical to each other.
Furthermore, according to the first hemispherical-spiral branch combined granulating structure and the second hemispherical-spiral branch combined granulating structure, spiral branches uniformly distributed in the radial direction are arranged on the hemispherical supports of the first hemispherical-spiral branch combined granulating structure and the second hemispherical-spiral branch combined granulating structure, and each spiral branch is composed of a spiral surface and cylindrical rods uniformly distributed on the edge of the spiral surface.
Furthermore, the feeding system also comprises a height adjuster, a spiral feeding device and a driving motor of the spiral feeding device; the height adjuster is connected with and adjusts the position of the feeding conveying pipe; the spiral feeding device is arranged between the outlet of the storage bin and the inlet of the feeding conveying pipe and is driven and controlled by a driving motor of the spiral feeding device; the single chip microcomputer is connected with a driving motor for driving the spiral feeding device.
Furthermore, the two ends of the granulating chamber are arc-shaped, so that powder accumulation at corners of the bottom of the granulating chamber is avoided.
The invention has the following beneficial effects:
(1) silicon nitride ceramic dry process pelletization device of prior art, the pelletization structure is mostly single, vertical stand stirring structure, and the three-dimensional motion route of powder is single, mainly is radial motion, and axial motion is less, and the pelletization effect is not good. According to the method, a multi-structure combined granulating structure is adopted, and under the mutual cooperation and repeated action, silicon nitride powder continuously performs irregular motions such as horizontal movement, rotary ascending, up-and-down overturning, so that a dead-angle-free three-dimensional granulating process is realized, and the defect of single motion path of the powder is avoided; because of the complexity and uniqueness of the space structure, the silicon nitride powder enhances the axial movement of the powder in the granulating chamber under the condition of not reducing the radial movement, thereby improving the granulating effect.
(2) The invention adopts a stirring granulation mechanism with a double granulation structure, which is respectively a spiral-circular combined granulation structure and a hemispherical branch combined granulation structure, the two granulation structures are symmetrically distributed in the granulation chamber, a row of granulation barriers are formed in the granulation chamber, and in the granulation process, the stirring granulation mechanism continuously acts on powder, so that the powder does irregular motion in the granulation chamber, the defect of single motion path of the powder is avoided, and the granulation effect is enhanced. And, two hemisphere branch combination pelletization structures make up into a spherical pelletization structure, have formed full angle solid granulation effect in space.
(3) The invention adopts a horizontal structure, adopts a cylindrical granulating chamber, transmits kinetic energy to a belt through a motor, drives the granulating chamber to rotate by the belt, finishes up-and-down motion by the driving of the granulating chamber, and leads a stirring granulating mechanism to act on powder when the powder falls down so as to lead the powder to do irregular motion in the granulating chamber.
(4) According to the invention, through the intelligent control system, different granulation effects can be achieved by adjusting the rotating speed of the corresponding motor according to different granulation requirements, the applicability is greatly improved, and different application requirements can be better met.
Drawings
The present invention will be described in further detail with reference to the following examples and the accompanying drawings.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the screw-ring combined granulation structure in the embodiment shown in FIG. 1 (a: front view; b: top view);
FIG. 3 is a schematic diagram of the structure of a hemispherical suspension of the combined hemispherical-spiral branched granulating structure of the embodiment shown in FIG. 1 (a: front view; b: A-A cross-sectional view);
FIG. 4 is a schematic diagram of the spiral branch structure of the hemispherical-spiral branch combined granulation structure in the embodiment shown in FIG. 1 (a: front view; b: top view);
FIG. 5 is a schematic view of the screw feeder of the feeding system in the embodiment of FIG. 1;
FIG. 6 is a functional block diagram of the intelligent control system of the embodiment shown in FIG. 1.
In the figure: a first driving motor fixing frame 1, a first driving motor 2, a first coupler 3, a first open type conical gear 4, a granulation chamber fixing frame 5, a first transmission shaft 6, a rotary structure 7, a granulation chamber 8, a first spiral-circular combined granulation structure 9, a double spiral surface 9/22a, a double circular ring 9/22b, a feeding bin fixing frame 10, a feeding port 11, a first hemispherical-spiral branch combined granulation structure 12, a height adjuster 13, a feeding conveying pipe 14, a spiral feeding device driving motor 15, a storage bin 16, a spiral feeding device 17, an annular sleeve 18, an atomized liquid storage chamber 19, a second hemispherical-spiral branch combined granulation structure 20, a hemispherical support 12/20a, a spiral surface 12/20b, a cylindrical rod 12/20c, an ultrasonic atomization nozzle 21, a second spiral-circular combined granulation structure 22, the belt 23, the second transmission shaft 24, the second open type conical gear 25, the discharge hole 26, the granulation chamber driving motor 27, the second coupling 28, the second driving motor 29, the second driving motor fixing frame 30 and the visual control panel 31
Detailed Description
Fig. 1 to fig. 6 show an integrated device for spiral-spherical branch combined intelligent silicon nitride dry granulation according to the present invention, which comprises a supporting system, a stirring and granulating system, a feeding system, an atomizing system, and an intelligent control system;
the supporting system comprises a first driving motor fixing frame 1, a second driving motor fixing frame 30, a granulating chamber fixing frame 5 and a feeding bin fixing frame 10;
as shown in fig. 1, the stirring and granulating system includes a granulating chamber 8, a rotary structure 7, a belt 23, a granulating chamber driving motor 27, and a stirring and granulating mechanism. The granulation chamber 8 is in a horizontal cylinder shape, two ends of the granulation chamber are in arc shapes, and the granulation chamber is arranged on the granulation chamber fixing frame 5 through the rotary structure 7; a granulation chamber driving motor 27 is connected to the middle of the granulation chamber 8 through a belt 23 to drive the granulation chamber 8 to rotate.
As shown in fig. 1, the stirring and granulating mechanism includes a first transmission shaft 6, a first spiral-circular combined granulating structure 9, a first hemispherical-spiral branched combined granulating structure 12, and a second transmission shaft 24, a second spiral-circular combined granulating structure 22, and a second hemispherical-spiral branched combined granulating structure 20. The first transmission shaft 6 and the second transmission shaft 24 are horizontally arranged. The first spiral-circular ring combined granulating structure 9, the first hemispherical-spiral branch combined granulating structure 12, the second spiral-circular ring combined granulating structure 22 and the second hemispherical-spiral branch combined granulating structure 20 are respectively arranged at the inner ends of the first transmission shaft 6 and the second transmission shaft 24 and are symmetrically positioned in the granulating chamber 8. The hemispherical support rim of the first hemispherical-helical branched composite granular structure 12 and the hemispherical support rim of the second hemispherical-helical branched composite granular structure 20 are nested within the annular sleeve 18. The outer ends of the first transmission shaft 6 and the second transmission shaft 24 are respectively arranged on the rotary structure 7 in a penetrating way, and the ends of the first transmission shaft and the second transmission shaft are respectively connected and driven by the first driving motor 2 and the second driving motor 29 through the first coupler 3, the first open type bevel gear 4, the second coupler 28 and the second open type bevel gear 25. The first driving motor 2 and the second driving motor 29 are respectively supported by the first driving motor fixing frame 1 and the second driving motor fixing frame 30.
As shown in fig. 2, the first screw-ring combined granulation structure 9 and the second screw-ring combined granulation structure 22 are each composed of a double helical surface 9/22a disposed symmetrically and a double ring 9/22b perpendicular to each other on a screw pitch.
As shown in fig. 1, the hemispherical supports 12/20a (see fig. 3) of the first hemispherical-spiral branch combined granulation structure 12 and the second hemispherical-spiral branch combined granulation structure 20 are all provided with spiral branches uniformly distributed in the radial direction. As shown in fig. 4, the spiral branch is composed of a spiral surface 12/20b and cylindrical rods 12/20c uniformly distributed on the edge of the spiral surface 12/20 b.
As shown in fig. 1, the feeding system includes a feeding port 11, a discharging port 26, a feeding duct 14, a storage bin 16, a height adjusting device 13, a screw feeding device 17, and a screw feeding device driving motor 15. The inlet opening 11 and the outlet opening 26 are arranged in an oblique symmetrical manner on both sides of the granulation chamber 8. The storage bin 16 is arranged above the granulation chamber 8 by means of the feed bin holder 10. The outlet of the storage bin 16 is connected to the feed inlet 11 via a feed duct 14; as shown in fig. 5, the screw feeder 17 is disposed between the outlet of the storage bin 16 and the inlet of the feed duct 14, and is driven and controlled by a screw feeder driving motor 15. The height adjuster 13 is connected to adjust the position of the feed duct 14.
As shown in fig. 1, the atomization system includes at least two atomized liquid reservoirs 19 and an ultrasonic atomization nozzle 21 connected thereto. The atomized liquid reservoir 19 is disposed at the side of the granulating chamber 8, and the ultrasonic atomizing nozzle 21 is located in the granulating chamber 8 to correspond to the stirring granulating mechanism in an obliquely symmetrical manner.
As shown in fig. 6, the intelligent control system includes a visual control panel 31, a single chip microcomputer, a rotation speed sensor, a first driver, a second driver, a third driver, a fourth driver, and a timer. A visual control panel 31 is arranged on the granulation chamber holder 5 (see fig. 1). The rotation speed sensor is used for collecting rotation speed data of each motor and transmitting the data to the single chip microcomputer, and the single chip microcomputer controls each motor according to the data provided by the sensor. The first driver is used for receiving the control instruction of the single chip microcomputer and controlling the first driving motor 2 to rotate; the second driver receives the instruction of the single chip microcomputer and controls the second driving motor 29 to rotate; the third driver receives an instruction transmitted by the singlechip and is used for controlling the rotation state of the driving motor 15 of the feeding bin spiral feeding device; the fourth driver receives the instruction of the single chip microcomputer and is used for regulating and controlling the rotating speed of the driving motor 27 of the granulating chamber; the timer is used for storing the running time of the storage device, the timer is started after the equipment starts to run, timing is started, when the time of the timer is 120s, the single chip microcomputer is signaled to control the ultrasonic atomizing nozzle to start working, the atomized liquid is uniformly sprayed into the granules, the duration time is 30s, and when the time of the timer is 150s, the ultrasonic atomizing nozzle is closed.
The working flow of the embodiment is as follows:
silicon nitride powder is put into a storage bin 16, a driving motor 15 of a spiral feeding device drives a spiral feeding device 17 to operate, the silicon nitride powder is fed into a feeding conveying pipe 14, the feeding conveying pipe 14 is aligned with a feeding hole 11 of a granulating chamber through a height regulator 13, and the silicon nitride powder is conveyed into a granulating chamber 8.
Starting the first driving motor 2, the second driving motor 29 and the granulating chamber driving motor 27 to mix silicon nitride powder; wherein, the first spiral-ring combined granulating structure 9 and the first hemispherical-spiral branch combined granulating structure 12 rotate clockwise at a high speed, and the second spiral-ring combined granulating structure 22 and the second hemispherical-spiral branch combined granulating structure 20 rotate anticlockwise at a high speed, so that the powder moves irregularly and unidirectionally in the granulating chamber 8. The granulation chamber 8 rotates counterclockwise at a low speed to drive the silicon nitride powder to move in a parabolic manner after the silicon nitride powder is operated, and the thrown powder falls onto the stirring granulation mechanism. After mixing for 2min, the ultrasonic atomizing nozzle 21 is opened to atomize the atomized liquid, and the atomized liquid is uniformly sprayed into the granulating chamber 8 to participate in the granulating process. The atomized liquid is mixed and contacted with silicon nitride powder moving at high speed, the powder moves horizontally, rotates and rises, and turns over up and down in the granulating chamber 8 under the repeated action of the stirring granulating mechanism, and finally the granulating process is finished, and after the granulating is finished, the prepared silicon nitride particles are discharged from a discharge hole. In the pelletization process, the intelligent control system makes corresponding response according to the data that the sensor was collected to different pelletization demands, adjusts the rotational speed of corresponding motor and can reach different pelletization effects.
Claims (5)
1. The utility model provides a spiral-hemisphere branch combination formula intelligence silicon nitride dry granulation integrated device which characterized in that: comprises a supporting system, a stirring and granulating system, a feeding system, an atomizing system and an intelligent control system;
the supporting system comprises a granulation chamber fixing frame (5) and a feeding bin fixing frame (10);
the stirring and granulating system comprises a granulating chamber (8), a rotary structure (7), a belt (23), a granulating chamber driving motor (27) and a stirring and granulating mechanism; the granulating chamber (8) is in a horizontal cylindrical shape, and two ends of the granulating chamber are arranged on the granulating chamber fixing frame (5) through a rotary structure (7); the granulating chamber driving motor (27) is connected to the middle part of the granulating chamber (8) through a belt (23) to drive the granulating chamber (8) to rotate; the stirring granulating mechanism comprises a first transmission shaft (6), a first spiral-circular ring combined granulating structure (9), a first hemispherical-spiral branch combined granulating structure (12), a second transmission shaft (24), a second spiral-circular ring combined granulating structure (22) and a second hemispherical-spiral branch combined granulating structure (20); the first transmission shaft (6) and the second transmission shaft (24) are horizontally arranged, the first spiral-circular ring combined granulating structure (9), the first hemisphere-spiral branch combined granulating structure (12), the second spiral-circular ring combined granulating structure (22) and the second hemisphere-spiral branch combined granulating structure (20) are respectively arranged at the inner ends of the first transmission shaft (6) and the second transmission shaft (24) and are symmetrically positioned in the granulating chamber (8), and the edge of the hemispherical support of the first hemisphere-spiral branch combined granulating structure (12) and the edge of the hemispherical support of the second hemisphere-spiral branch combined granulating structure (20) are sleeved in the annular sleeve (18); the outer ends of the first transmission shaft (6) and the second transmission shaft (24) are respectively arranged on the rotary structure (7) in a penetrating way, and the ends of the first transmission shaft and the second transmission shaft are respectively connected and driven by a first driving motor (2) and a second driving motor (29);
the feeding system comprises a feeding hole (11), a discharging hole (26), a feeding conveying pipe (14) and a storage bin (16); the feed inlet (11) and the discharge outlet (26) are respectively arranged on two side surfaces of the granulating chamber (8) in an oblique symmetrical mode; the storage bin (16) is arranged above the granulating chamber (8) through a feeding bin fixing frame (10), and an outlet of the storage bin (16) is connected to the feeding hole (11) through a feeding conveying pipe (14);
the atomization system comprises at least two atomized liquid storage chambers (19) and ultrasonic atomization nozzles (21) connected with the atomized liquid storage chambers, the atomized liquid storage chambers (19) are arranged on the side surfaces of the granulation chamber (8), and the ultrasonic atomization nozzles (21) are positioned in the granulation chamber (8) and correspond to the stirring granulation mechanism in an oblique symmetry manner;
the intelligent control system comprises a visual control panel (31) and a single chip microcomputer; visual control panel (31) set up on pelletization room mount (5), first driving motor of drive control (2), second driving motor (29), pelletization room driving motor (27), ultrasonic atomization nozzle (21) are connected to the singlechip.
2. The spiral-hemispherical branch combined intelligent silicon nitride dry granulation integrated device according to claim 1, characterized in that: the first spiral-circular ring combined granulating structure (9) and the second spiral-circular ring combined granulating structure (22) are respectively composed of double spiral surfaces (9/22a) which are symmetrically arranged and double circular rings (9/22b) which are positioned on the screw pitch and are vertical to each other.
3. The spiral-hemispherical branch combined intelligent silicon nitride dry granulation integrated device according to claim 1, characterized in that: the hemispherical supports (12/20a) of the first hemispherical-spiral branch combined granulating structure (12) and the second hemispherical-spiral branch combined granulating structure (20) are respectively provided with spiral branches uniformly distributed in the radial direction, and each spiral branch is composed of a spiral surface (12/20b) and a cylindrical rod (12/20c) uniformly distributed at the edge of the spiral surface (12/20 b).
4. The spiral-hemispherical branch combined intelligent silicon nitride dry granulation integrated device according to claim 1, characterized in that: the feeding system also comprises a height adjuster (13), a spiral feeding device (17) and a spiral feeding device driving motor (15); the height adjuster (13) is connected with and adjusts the position of the feeding conveying pipe (14); the spiral feeding device (17) is arranged between the outlet of the storage bin (16) and the inlet of the feeding conveying pipe (14) and is driven and controlled by a driving motor (15) of the spiral feeding device; the single chip microcomputer is connected with a driving motor (15) for driving the spiral feeding device.
5. The spiral-hemispherical branch combined intelligent silicon nitride dry granulation integrated device according to claim 1, characterized in that: the two ends of the granulating chamber (8) are arc-shaped.
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| CN201911207688.XA CN110919813B (en) | 2019-11-29 | 2019-11-29 | Spiral-hemisphere branch combined intelligent silicon nitride dry granulation integrated device |
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| CN201911207688.XA CN110919813B (en) | 2019-11-29 | 2019-11-29 | Spiral-hemisphere branch combined intelligent silicon nitride dry granulation integrated device |
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| DE2218729B1 (en) * | 1972-04-18 | 1974-03-21 | Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal | DEVICE FOR MIXING AND GRANULATING |
| JPS5924085B2 (en) * | 1981-07-30 | 1984-06-07 | 三菱瓦斯化学株式会社 | Granulator for soda percarbonate |
| FR2882663B1 (en) * | 2005-03-07 | 2007-05-25 | Arolab | APPARATUS AND METHOD FOR PRODUCING PELLETS |
| CN201482457U (en) * | 2009-08-07 | 2010-05-26 | 吴国平 | Two-way helical extrusion granulator |
| CN205683970U (en) * | 2016-06-17 | 2016-11-16 | 安徽中农大丰化肥有限公司 | A kind of fertilizer automatic stirring comminutor |
| CN205903866U (en) * | 2016-06-30 | 2017-01-25 | 郑州一正重工机械有限公司 | Double helix extruder grain machine |
| CN208757512U (en) * | 2018-07-06 | 2019-04-19 | 江苏洪流化工机械有限公司 | A kind of horizontal lithium cell cathode material cladding granulation pyroreaction kettle |
| CN208757511U (en) * | 2018-07-06 | 2019-04-19 | 江苏洪流化工机械有限公司 | A kind of horizontal cladding granulation two-way breakaway-element stirring system of reaction kettle |
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