CN108786160A - It is a kind of to be spray-dried and prilling process and its device - Google Patents
It is a kind of to be spray-dried and prilling process and its device Download PDFInfo
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- CN108786160A CN108786160A CN201810609980.3A CN201810609980A CN108786160A CN 108786160 A CN108786160 A CN 108786160A CN 201810609980 A CN201810609980 A CN 201810609980A CN 108786160 A CN108786160 A CN 108786160A
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- drying tower
- fixed
- shaft
- drying
- tower
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Glanulating (AREA)
Abstract
The present invention relates to sponging granulator field more particularly to a kind of spray drying and prilling process and its devices.Technical solution：A kind of spray drying and prilling granulator, including drying tower, the upper end of drying tower are connected separately with atomizer and fan heater, and atomizer is connected with feed liquid pipe, and the lower end of drying tower is connected with discharging cone bucket；Driving mechanism is installed on the drying tower, the output shaft of driving mechanism is connected with shaft, shaft is connected to by bearing on the side wall of drying tower, the other end of shaft is fixed with turntable, the edge of turntable is fixed with strut, and the other end of strut is connected with connecting rod by bearing, and the other end of connecting rod is hinged with elevating lever, the other end of elevating lever is fixed with push plate, and push plate is set in drying tower.Making atomization material uniformly and the quickly spray drying heated and prilling process and its device the present invention provides a kind of, solve the problems, such as existing sponging granulator intrinsic fog material uneven heating and so as to be formed by particle non-uniform.
Description
Technical field
The present invention relates to sponging granulator field more particularly to a kind of spray drying and prilling process and its devices.
Background technology
Mist projection granulating is exactly to make the solvent in slurry droplet by means of atomization and the effect of heat using spray dryer
The method that evaporation obtains dry powder.Spray-drying process is exactly slurry makes the rapid drying of slurry drop become particle by atomizer
The process of powder.Spray drying is not only extensive in traditional ceramics, organic and inorganic chemical industry, powder metallurgy, food, medical industry
Using, and be used widely in various hyundai electronics, function ceramics industry.Spray drying has become modern oxide
Ceramic prepared composition is uniform, dry-pressing blank density is uniform, and the essential important process of original paper for obtaining consistency of performance number is arranged
It applies.
Number of patent application is that the utility model patent of CN201720473072.7 discloses a kind of auto spraying comminutor, is wrapped
Granulation chamber, fog-spray nozzle, slurry delivery section, gas delivery section are included, the slurry delivery section includes slurry tank, delivery pump, feed pipe for mortar
Line, the first solenoid valve, the gas delivery section include the defeated pipeline of gas and the second solenoid valve for being connected on the defeated pipeline of gas；
The fog-spray nozzle has the defeated interface of gas and defeated slurry interface in " Y " font, upper end, and defeated slurry interface front has pre-distributor, pre- to divide
Cloth device and the front of the defeated interface of gas cross and lead to main distributor jointly, and the main distributor includes Venturi constriction and second
It is mesh-structured；The granulation chamber includes mistress and interior room, its gap are equipped with heating module, and interior room madial wall is equipped with temperature biography
Sensor, interior room lower part connect lower shell, and there are lower shell two sieve parts, side to be provided with discharge port, and lower shell lower part connects accumulator tank.
Present device is simple for structure and process automation, atomizing effect are good, and granulation efficiency is high, recycles good.
But after the atomization material of above-mentioned sponging granulator and heating air-flow enter in drying tower, atomization material can not in time and
It is equably heated by heating air-flow, causes the grain diameter being formed by uneven, granular mass is poor, occurs hollow or moist
Situations such as.During heating air-flow permeates into drying tower middle and lower part at the top of drying tower, temperature continuously decreases, and leads to drying
The atomization material of tower middle and lower part is different from the atomization material heating temperature on drying tower top, then is formed by particle everywhere not in drying tower
Uniformly.
Invention content
The present invention overcomes the deficiencies in the prior art, provide a kind of spray drying for making atomization material uniformly and quickly heating
With prilling process and its device, solve existing sponging granulator intrinsic fog material uneven heating and so that being formed by particle unevenness
Even problem.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of spray drying and prilling granulator, including drying tower, the upper end of drying tower be connected separately with atomizer and plus
It is heat-fed wind apparatus, atomizer is connected with feed liquid pipe, and the lower end of drying tower is connected with discharging cone bucket；It is equipped on the drying tower
The output shaft of driving mechanism, driving mechanism is connected with shaft, and shaft is connected to by bearing on the side wall of drying tower, shaft it is another
One end is fixed with turntable, and the edge of turntable is fixed with strut, and the other end of strut is connected with connecting rod by bearing, connecting rod
The other end is hinged with elevating lever, and the other end of elevating lever is fixed with push plate, and push plate is set in drying tower.
Be fixed with feedboard as the preferred embodiment of the present invention, in the discharging cone bucket, be provided on feedboard it is several into
Expect hole, to be covered with sheet rubber on the downside of feed opening, one end of sheet rubber is fixed on feedboard.
As the preferred embodiment of the present invention, the driving mechanism includes motor, and the output shaft of motor is connected with retarder, electricity
Machine and retarder are mounted on drying tower, and output shaft and the shaft of retarder are fixed.
As the preferred embodiment of the present invention, it is fixed with limit casing in the drying tower, elevating lever is sheathed on limit casing
It is interior.
As the preferred embodiment of the present invention, it is fixed with circulating barrel in the drying tower, spiral shell is provided on the inner wall of circulating barrel
Rotating plate, push plate and elevating lever are sheathed in circulating barrel.
A kind of spray drying and prilling process, include the following steps：
1) fan heater is opened, slurry is sprayed by atomizer in drying tower, is wherein equipped on drying tower
The output shaft of driving mechanism, driving mechanism is connected with shaft, and shaft is connected to by bearing on the side wall of drying tower, shaft it is another
One end is fixed with turntable, and the edge of turntable is fixed with strut, and the other end of strut is connected with connecting rod by bearing, connecting rod
The other end is hinged with elevating lever, and the other end of elevating lever is fixed with push plate, and push plate is set in drying tower；
2) inlet temperature of drying tower is 300~350 DEG C, and control outlet temperature is 90~110 DEG C, atomizer rotating speed
8000~24000r/min, slurry feed rate are 5kg/h.
As the preferred embodiment of the present invention, it is fixed with circulating barrel in the drying tower, spiral shell is provided on the inner wall of circulating barrel
Rotating plate, push plate and elevating lever are sheathed in circulating barrel.
Compared with prior art, the beneficial effects of the invention are as follows：
1, driving mechanism of the invention can driving disc rotation, the strut on turntable drives connecting rod action, then elevating lever
Reciprocally lifting action.Push plate on elevating lever can push heating air and atomization material up and down so that atomization material and heating are empty
Gas is quick and uniformly contacts, and it is more uniform that atomization material is formed by particle.
2, when air-flow down when, the sheet rubber at feed opening is open, and particle can be fallen into from feed opening in discharging cone bucket.And
When air-flow is upward, sheet rubber will be close to feedboard under airflow function, feed bore closure, avoid discharging cone bucket endoparticle by again
The case where bringing drying tower into ensures the accurate collection of particle.
3, after electric motor starting, Motor drive decelerator action, retarder can drive shaft rotation, accordingly turn to turntable
It is dynamic.Under the driving of driving mechanism, push plate can be moved back and forth continuously, and drying tower intrinsic fog material can be fully and uniform with heating air
Mixing, ensure atomization material be heated evenly.
4, elevating lever slides in limit casing always during moving up and down, to limit casing to elevating lever into
Row limit, the case where avoiding elevating lever from swinging, ensure that air-flow circulates in drying tower along route, ensure atomization material with
It is impartial to heat air contact probability.
5, atomization material and heating air stir under push plate promotion in circulating barrel up and down, increase atomization material contact heating
The speed and uniformity of air.Gap recycles in circulating barrel, between circulating barrel and dry inner wall of tower for atomization material and heating air
Flowing further improves the uniformity of atomization material contact heating air, is conducive to the uniformity for improving particle.
6, the inlet temperature and outlet temperature of drying tower is accurately set, and controls rotating speed and the slurry charging of atomizer
Speed is then atomized material and can form the particle of required particle size in drying tower, and helps to improve granular mass.It drives
Motivation structure can driving disc rotation, the strut on turntable drives connecting rod action, then elevating lever reciprocally lifting action.Elevating lever
On push plate can will heating air and atomization material up and down push so that atomization material with heating air quickly and uniformly contact, atomization
It is more uniform that material is formed by particle.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the partial enlarged view at A in Fig. 1.
In figure, 1- drying towers, 2- discharging cone buckets, 3- driving mechanisms, 4- shafts, 5- turntables, 6- elevating levers, 7- push plates, 8-
Limit casing, 9- circulating barrels, 11- atomizers, 12- fan heaters, 13- feed liquid pipes, 21- feedboards, 22- sheet rubbers,
31- motors, 32- retarders, 51- struts, 52- connecting rods, 91- spiral plates, 211- feed openings.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment one
A kind of spray drying and prilling granulator, including drying tower 1, the upper end of drying tower 1 are connected separately with atomizer 11
With fan heater 12, atomizer 11 is connected with feed liquid pipe 13, and the lower end of drying tower 1 is connected with discharging cone bucket 2；It is described dry
Driving mechanism 3 is installed, the output shaft of driving mechanism 3 is connected with shaft 4, and shaft 4 is connected to drying tower by bearing on dry tower 1
On 1 side wall, the other end of shaft 4 is fixed with turntable 5, and the edge of turntable 5 is fixed with strut 51, and the other end of strut 51 passes through
Bearing is connected with connecting rod 52, and the other end of connecting rod 52 is hinged with elevating lever 6, and the other end of elevating lever 6 is fixed with push plate 7,
Push plate 7 is set in drying tower 1.
The driving mechanism 3 of the present invention can driving disc 5 rotate, the strut 51 on turntable 5 drives connecting rod 52 to act, then rises
The reciprocally lifting action of bar 6 drops.Push plate 7 on elevating lever 6 can push heating air and atomization material up and down so that atomization material with
It heats air quickly and uniformly contacts, it is more uniform that atomization material is formed by particle.
Embodiment two
On the basis of embodiment one, it is fixed with feedboard 21 in the discharging cone bucket 2, is provided on feedboard 21 several
The downside of feed opening 211, feed opening 211 is covered with sheet rubber 22, and one end of sheet rubber 22 is fixed on feedboard 21.
When air-flow down when, the sheet rubber 22 at feed opening 211 is open, and particle can fall into reclaiming cone from feed opening 211
In bucket 2.And air-flow it is upward when, sheet rubber 22 will be close to feedboard 21 under airflow function, and feed opening 211 is closed, and avoid discharging
The case where 2 endoparticle of cone bucket is brought into drying tower 1 again ensures the accurate collection of particle.
Embodiment three
On the basis of embodiment one or embodiment two, the driving mechanism 3 includes motor 31, and the output shaft of motor 31 connects
It is connected to retarder 32, motor 31 and retarder 32 are mounted on drying tower 1, and output shaft and the shaft 4 of retarder 32 are fixed.
After motor 31 starts, motor 31 drive retarder 32 act, retarder 32 can drive shaft 4 rotate, to turn
Disk 5 accordingly rotates.Under the driving of driving mechanism 3, push plate 7 can be moved back and forth continuously, and 1 intrinsic fog material of drying tower can be empty with heating
Gas adequately and uniformly mixes, and ensures that atomization material is heated evenly.
Example IV
On the basis of above-mentioned any one embodiment, limit casing 8 is fixed in the drying tower 1, elevating lever 6 is arranged
In in limit casing 8.
The sliding in limit casing 8 always during moving up and down of elevating lever 6, to which limit casing 8 is to elevating lever 6
The case where being limited, elevating lever 6 is avoided to swing ensures that air-flow circulates in drying tower 1 along route, ensures atomization
Material and heating air contact probability are impartial.
Embodiment five
On the basis of above-mentioned any one embodiment, circulating barrel 9, the inner wall of circulating barrel 9 are fixed in the drying tower 1
On be provided with spiral plate 91, push plate 7 and elevating lever 6 are sheathed in circulating barrel 9.
Atomization material and heating air stir under the promotion of push plate 7 in circulating barrel 9 up and down, increase atomization material contact heating
The speed and uniformity of air.Gap is followed in circulating barrel 9, between 1 inner wall of circulating barrel 9 and drying tower for atomization material and heating air
Circulation is dynamic, further improves the uniformity of atomization material contact heating air, is conducive to the uniformity for improving particle.
Embodiment six
A kind of spray drying and prilling process, include the following steps：
1) fan heater 12 is opened, slurry is sprayed by atomizer 11 in drying tower 1, wherein on drying tower 1
Driving mechanism 3 is installed, the output shaft of driving mechanism 3 is connected with shaft 4, and shaft 4 is connected to the side wall of drying tower 1 by bearing
On, the other end of shaft 4 is fixed with turntable 5, and the edge of turntable 5 is fixed with strut 51, and the other end of strut 51 is connected by bearing
It is connected to connecting rod 52, the other end of connecting rod 52 is hinged with elevating lever 6, and the other end of elevating lever 6 is fixed with push plate 7, and push plate 7 is set
It is placed in drying tower 1；
2) inlet temperature of drying tower 1 is 300~350 DEG C, and control outlet temperature is 90~110 DEG C, 11 turns of atomizer
8000~24000r/min of speed, slurry feed rate are 5kg/h.
The inlet temperature and outlet temperature of drying tower 1 is accurately set, and control atomizer 11 rotating speed and slurry into
Expect speed, be then atomized material and the particle of required particle size can be formed in drying tower 1, and helps to improve particle matter
Amount.Driving mechanism 3 can driving disc 5 rotate, the strut 51 on turntable 5 drives connecting rod 52 to act, then elevating lever 6 reciprocally rises
Drop acts.Push plate 7 on elevating lever 6 can push heating air and atomization material up and down so that atomization material and heating air are quick
And uniformly contact, it is more uniform that atomization material is formed by particle.
Embodiment seven
On the basis of embodiment six, it is fixed with circulating barrel 9 in the drying tower 1, spiral shell is provided on the inner wall of circulating barrel 9
Rotating plate 91, push plate 7 and elevating lever 6 are sheathed in circulating barrel 9.
Atomization material and heating air stir under the promotion of push plate 7 in circulating barrel 9 up and down, increase atomization material contact heating
The speed and uniformity of air.Gap is followed in circulating barrel 9, between 1 inner wall of circulating barrel 9 and drying tower for atomization material and heating air
Circulation is dynamic, further improves the uniformity of atomization material contact heating air, is conducive to the uniformity for improving particle.
Claims (7)
1. a kind of spray drying and prilling granulator, including drying tower (1), the upper end of drying tower (1) are connected separately with atomizer
(11) and fan heater (12), atomizer (11) are connected with feed liquid pipe (13), and the lower end of drying tower (1) is connected with discharging
Cone bucket (2)；It is characterized in that, being equipped with driving mechanism (3) on the drying tower (1), the output shaft of driving mechanism (3) is connected with
Shaft (4), shaft (4) are connected to by bearing on the side wall of drying tower (1), and the other end of shaft (4) is fixed with turntable (5),
The edge of turntable (5) is fixed with strut (51), and the other end of strut (51) is connected with connecting rod (52), connecting rod by bearing
(52) the other end is hinged with elevating lever (6), and the other end of elevating lever (6) is fixed with push plate (7), and push plate (7) is set to drying
In tower (1).
2. a kind of spray drying according to claim 1 and prilling granulator, which is characterized in that in the discharging cone bucket (2)
It is fixed with feedboard (21), several feed openings (211) are provided on feedboard (21), feed opening is covered with rubber on the downside of (211)
One end of film (22), sheet rubber (22) is fixed on feedboard (21).
3. a kind of spray drying according to claim 1 and prilling granulator, which is characterized in that driving mechanism (3) packet
Motor (31) is included, the output shaft of motor (31) is connected with retarder (32), and motor (31) and retarder (32) are mounted on drying
On tower (1), the output shaft and shaft (4) of retarder (32) are fixed.
4. a kind of spray drying according to claim 1 and prilling granulator, which is characterized in that solid in the drying tower (1)
There are limit casing (8), elevating lever (6) to be sheathed in limit casing (8) surely.
5. a kind of spray drying according to Claims 1 to 4 any one and prilling granulator, which is characterized in that described dry
It is fixed with circulating barrel (9) in dry tower (1), spiral plate (91), push plate (7) and elevating lever (6) are provided on the inner wall of circulating barrel (9)
It is sheathed in circulating barrel (9).
6. a kind of spray drying and prilling process, which is characterized in that include the following steps：
1) fan heater (12) is opened, slurry is sprayed by atomizer (11) in drying tower (1), wherein drying tower
(1) driving mechanism (3) is installed, the output shaft of driving mechanism (3) is connected with shaft (4), and shaft (4) is connected to by bearing on
On the side wall of drying tower (1), the other end of shaft (4) is fixed with turntable (5), and the edge of turntable (5) is fixed with strut (51), branch
The other end of bar (51) is connected with connecting rod (52) by bearing, and the other end of connecting rod (52) is hinged with elevating lever (6), lifting
The other end of bar (6) is fixed with push plate (7), and push plate (7) is set in drying tower (1)；
2) inlet temperature of drying tower (1) is 300~350 DEG C, and control outlet temperature is 90~110 DEG C, and atomizer (11) turns
8000~24000r/min of speed, slurry feed rate are 5kg/h.
7. a kind of spray drying according to claim 6 and prilling process, which is characterized in that solid in the drying tower (1)
Surely there is circulating barrel (9), spiral plate (91) is provided on the inner wall of circulating barrel (9), push plate (7) and elevating lever (6) are sheathed on cycle
In cylinder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810609980.3A CN108786160B (en) | 2018-06-13 | 2018-06-13 | Spray drying and granulating method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810609980.3A CN108786160B (en) | 2018-06-13 | 2018-06-13 | Spray drying and granulating method and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108786160A true CN108786160A (en) | 2018-11-13 |
| CN108786160B CN108786160B (en) | 2021-02-09 |
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ID=64085907
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810609980.3A Active CN108786160B (en) | 2018-06-13 | 2018-06-13 | Spray drying and granulating method and device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108786160B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452250A (en) * | 2020-09-27 | 2021-03-09 | 南京启佑生物科技有限公司 | Device for converting nano pesticide suspension into solid particles |
| CN112624806A (en) * | 2020-12-23 | 2021-04-09 | 韦利斌 | Method for preparing trace elements in compound fertilizer |
| CN114719561A (en) * | 2022-04-07 | 2022-07-08 | 无锡沃得旋转雾化科技有限公司 | Be applied to dry rotatory atomizer of new forms of energy electrode material |
-
2018
- 2018-06-13 CN CN201810609980.3A patent/CN108786160B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452250A (en) * | 2020-09-27 | 2021-03-09 | 南京启佑生物科技有限公司 | Device for converting nano pesticide suspension into solid particles |
| CN112624806A (en) * | 2020-12-23 | 2021-04-09 | 韦利斌 | Method for preparing trace elements in compound fertilizer |
| CN114719561A (en) * | 2022-04-07 | 2022-07-08 | 无锡沃得旋转雾化科技有限公司 | Be applied to dry rotatory atomizer of new forms of energy electrode material |
| CN114719561B (en) * | 2022-04-07 | 2023-03-24 | 无锡沃得旋转雾化科技有限公司 | Be applied to dry rotatory atomizer of new forms of energy electrode material |
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| Publication number | Publication date |
|---|---|
| CN108786160B (en) | 2021-02-09 |
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