CN108579613B - Powder atomizing device and ceramic dry powder granulating system - Google Patents
Powder atomizing device and ceramic dry powder granulating system Download PDFInfo
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- CN108579613B CN108579613B CN201810586187.6A CN201810586187A CN108579613B CN 108579613 B CN108579613 B CN 108579613B CN 201810586187 A CN201810586187 A CN 201810586187A CN 108579613 B CN108579613 B CN 108579613B
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- powder
- atomizing
- feeding
- water mixing
- feeding pipeline
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- 239000000843 powder Substances 0.000 title claims abstract description 130
- 239000000919 ceramic Substances 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000005469 granulation Methods 0.000 claims abstract description 12
- 230000003179 granulation Effects 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 26
- 238000007664 blowing Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 2
- 239000003595 mist Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000000889 atomisation Methods 0.000 description 4
- 238000007908 dry granulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The utility model provides a powder atomizing device and granulation system, atomizing device includes the shell body, the inner shell body, spiral passageway, the feed line, atomizing fan, the inner shell body sets up in the shell body, form the annular channel of opening in powder water mixing tower between the inner and outer shell body, spiral passageway is arranged along the outer peripheral face spiral of shell body, set up the pan feeding mouth along spiral passageway length direction interval arrangement between spiral passageway and the annular channel, feed line one end is connected the other end with atomizing fan and is connected with spiral passageway, feed line and powder supply device intercommunication, the wind powder forms the atomizing powder of heliciform distribution through spiral passageway and annular channel after mixing.
Description
Technical Field
The invention relates to a powder atomizing device and a ceramic dry powder granulating system.
Background
The traditional method for preparing ceramic raw material into powder by granulating belongs to wet process, which is to add about 35% of water into large ceramic raw material by ball mill, grind into fine ceramic slurry, dry and granulate the slurry by spray drying tower, dry about 35% of water into about 7% of water, and prepare granular powder suitable for automatic brick press molding. The production process has the advantages of high energy consumption, high sulfur content of flue gas generated in the drying process, high dust content, no easy elimination of the flue gas, high energy consumption cost and increased environmental protection treatment cost, and can not meet the requirements of national encouragement on low-carbon environmental protection production.
The current novel ceramic dry granulation technology is the trend of future development of ceramic building industry. The dry granulation process is that the materials are ground into superfine dry powder materials through a vertical mill, then the powder materials are introduced into a granulator, and water mist is sprayed into the granulator, so that the powder materials are mixed with water to be sticky, and spherical particles are formed; however, the existing dry granulation technology still has the problems that powder is not dispersed enough and cannot be fully mixed with water mist, so that particles are not uniform, and the like.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a powder atomizing device capable of effectively dispersing atomized powder to enable the powder to be fully mixed with water mist, and a ceramic dry powder granulating system adopting the powder atomizing device.
The aim of the invention is realized by the following technical scheme:
A powder atomizing device, characterized in that: including shell body, interior casing, spiral passageway, feeding pipeline, atomizing fan, interior casing sets up in the shell body, forms the annular channel of opening in powder water mixing tower between interior, the shell body, spiral passageway is arranged along the outer peripheral face spiral of shell body, set up the pan feeding mouth along spiral passageway length direction interval arrangement between spiral passageway and the annular channel, feeding pipeline one end is connected the other end with atomizing fan and is connected with spiral passageway, feeding pipeline and powder supply device intercommunication, the wind powder mixes the back and forms the atomizing powder of heliciform distribution through spiral passageway, pan feeding mouth and annular channel.
Further, the outer shell and the inner shell are of circular tubular structures.
Further, the outer housing is coaxially arranged with the inner housing.
Further, the outer housing is composed of an equal-diameter upper section and a conical lower section.
The utility model provides a pottery dry powder granulation system, includes powder atomizer, powder supply device, water supply installation, powder water mixing tower and prilling granulator, powder supply device is used for carrying the powder to powder atomizer, powder atomizer sets up at powder water mixing tower top and is arranged in sending into powder water mixing tower with powder atomizing, water supply device is provided with the atomizer that is arranged in powder water mixing tower, powder water mixing tower is used for providing the space that powder water mixed, prilling granulator sets up in powder water mixing tower bottom, falls into prilling granulator with the powder after water mixing and carries out the granulation.
Further, the powder supply device comprises a powder storage bin, a quantitative feeding mechanism, a feeding fan, a feeding pipeline, a temporary storage bin and a discharge valve, wherein one end of the feeding pipeline is connected with the feeding fan, the other end of the feeding pipeline is connected with the temporary storage bin, the quantitative feeding mechanism is arranged at the bottom of the powder storage bin and used for quantitatively conveying powder to the feeding pipeline, the feeding fan is used for blowing the powder in the feeding pipeline into the temporary storage bin, and one end of the discharge valve is connected with the temporary storage bin, and the other end of the discharge valve is connected with the feeding pipeline.
Further, the discharge valve is a pressure valve which is opened when the pressure of the temporary storage bin exceeds a preset value.
Further, the annular channel of the powder atomizing device forms a downward annular opening, and the water supply device is provided with a plurality of atomizing nozzles circumferentially arranged below the annular opening.
Further, the powder-water mixing tower comprises a cylindrical upper tower body and a conical lower tower body, wherein the lower port of the upper tower body is positioned in the upper port of the lower tower body, and annular blowing channels are formed between the lower port of the upper tower body and the upper port of the lower tower body at intervals.
The invention has the following beneficial effects:
The air powder is mixed and then passes through the spiral channel and the annular channel to form the atomized powder in spiral distribution, so that the powder is fully dispersed and is fully combined with the water mist, and a uniform granular material is formed.
The powder supply device comprises a powder storage bin, a quantitative feeding mechanism, a feeding fan, a feeding pipeline, a temporary storage bin and a discharge valve, wherein the discharge valve is a pressure valve, so that powder with certain pressure is provided for the powder atomizing device, the proportion of the powder to the water mist is stable, and the mixing uniformity of the powder and the water mist is further improved.
The annular channel of the powder atomizing device forms a downward annular opening, and the water supply device is provided with a plurality of atomizing nozzles circumferentially arranged below the annular opening, so that water mist and powder can be fully contacted and combined.
The annular blowing channels are formed between the lower port of the upper tower body and the upper port of the lower tower body at intervals, powder can be prevented from being accumulated on the inner wall of the joint of the upper tower body and the lower tower body, and the air can be blown to the annular blowing channels through the blowing pipelines, so that accumulated powder is cleaned.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the granulation system of the present invention.
Fig. 2 is a schematic structural view of the powder atomizing device.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a schematic structural view of the feed pipe.
Fig. 5 is a schematic structural view of the powder-water mixing tower.
Detailed Description
Referring to fig. 1 to 5, a ceramic dry powder granulation system comprises a powder atomization device 2, a powder supply device 1, a water supply device 4, a powder-water mixing tower 3 and a granulation device 5, wherein the powder supply device 1 is used for conveying powder to the powder atomization device 2, the powder atomization device 2 is arranged at the top of the powder-water mixing tower 3 and is used for atomizing the powder and feeding the powder into the powder-water mixing tower 3, the water supply device 4 is provided with an atomization nozzle 41 positioned in the powder-water mixing tower 3, the powder-water mixing tower 3 is used for providing a space for mixing powder and water, the granulation device 5 is arranged at the bottom of the powder-water mixing tower 3, and the powder mixed with water falls into the granulation device 5 for granulation.
The powder atomizing device 2 comprises an outer shell 231, an inner shell 232, a spiral channel 23B, a feeding pipeline 22, an atomizing fan 21 and a powder outlet pipe 24, wherein the outer shell 231 and the inner shell 232 are of circular variable-diameter tubular structures, the outer shell 231 and the inner shell 232 are respectively formed by equal-diameter upper sections and conical lower sections, the inner shell 232 is sleeved in the outer shell 231, an annular channel 23A which is opened in the powder-water mixing tower 3 is formed between the inner shell 232 and the outer shell 231, the spiral channel 23B is spirally arranged along the peripheral surface of the outer shell 231 and is surrounded by a spiral cover 233, feeding ports 234 which are arranged at intervals along the length direction of the spiral channel 23B are formed between the spiral channel 23B and the annular channel 23A, the feeding ports 234 extend downwards in an inclined mode, one end of the feeding pipeline 22 is connected with the atomizing fan 21 through a tangential connector 222, the pipe diameter of the feeding pipeline 22 is sequentially reduced from one end to the other end, the powder outlet pipe 24 coaxially stretches into the feeding pipeline 22 and is opened towards the spiral channel 23B, an annular air channel 22A is formed between the powder outlet pipe 24 and the feeding pipeline 22, and the powder outlet pipe 24 is connected with the powder outlet pipe 24 through the connector 17 of the powder discharging valve 17. After being mixed, the wind powder passes through the spiral channel 23B, the feed inlet 234 and the annular channel 23A to form atomized powder in spiral distribution.
The powder supply device 1 comprises a powder storage bin 12, a valve 13, a quantitative feeding mechanism 14, a feeding fan 11, a feeding pipeline 15, a temporary storage bin 16 and a discharge valve 17, wherein one end of the feeding pipeline 15 is connected with the feeding fan 11, the other end of the feeding pipeline 15 is connected with the temporary storage bin 16, the quantitative feeding mechanism 14 is arranged at the bottom of the powder storage bin 12 and is used for quantitatively conveying powder to the feeding pipeline 15, the feeding fan 11 is used for blowing the powder in the feeding pipeline 15 into the temporary storage bin 16, one end of the discharge valve 17 is connected with the other end of the temporary storage bin 16 and is connected with a powder outlet pipe 24, and the discharge valve 17 is a pressure valve which is opened when the pressure of the temporary storage bin 16 exceeds a preset value.
The annular passage 23A of the powder atomizing device 2 forms a downward-facing annular opening, and the water supply device 4 is provided with a plurality of atomizing nozzles 41 circumferentially arranged below the annular opening and a water supply pipe 42 connecting the atomizing nozzles 41.
The powder-water mixing tower 3 comprises a cylindrical upper tower body 3A and a conical lower tower body 3B, a lower port 3A1 of the upper tower body 3A is positioned in an upper port 3B1 of the lower tower body 3B, annular blowing channels are formed between the upper tower body lower port 3A1 and the lower tower body upper port 3B1 in a spaced mode, the powder-water mixing tower 3 is further provided with annular air supply pipelines 31, the annular air supply pipelines 31 are provided with openings facing the annular blowing channels, and the annular air supply pipelines 31 are connected with a pressure air source and are used for cleaning accumulated materials when powder is accumulated on the inner wall of the powder-water mixing tower 3.
The concrete working mode is as follows: the valve 13 is opened to enable the powder in the powder storage bin 12 to fall into the quantitative feeding mechanism 14, the quantitative feeding mechanism 14 quantitatively conveys the powder to the powder conveying pipeline 15, the feeding fan 11 blows the powder in the powder conveying pipeline 15 to the temporary storage bin 16, when the pressure in the temporary storage bin 16 reaches a certain value, the discharge valve 17 is opened to enable the powder and the wind to enter the powder outlet pipe 24, the atomizing fan 21 blows air to the feeding pipeline 22 while the powder outlet pipe 24 discharges the powder, an annular air channel 22A is formed between the powder outlet pipe 24 and the feeding pipeline 22, the wind and the powder are fully mixed, the powder is further dispersed, the atomized powder which is distributed in a spiral mode is formed through the spiral channel 23B, the material inlet 234 and the annular channel 23A after the wind and the powder are mixed, and the atomized water sprayed out of the atomizing nozzle 41 fully mixes and contacts when the atomized powder enters the powder water mixing tower 3, and then falls into the granulating device 5 for granulating.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, i.e., the invention is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the invention.
Claims (4)
1. A powder atomizing device, characterized in that: the device comprises an outer shell, an inner shell, a spiral channel, a feeding pipeline and an atomizing fan, wherein the inner shell is arranged in the outer shell, the outer shell and the inner shell are of circular variable-diameter tubular structures, and the outer shell consists of an equal-diameter upper section and a conical lower section; an annular channel with an opening in the powder-water mixing tower is formed between the inner shell and the outer shell, the spiral channel is spirally arranged along the peripheral surface of the outer shell, feeding ports which are arranged at intervals along the length direction of the spiral channel are formed between the spiral channel and the annular channel, and the feeding ports extend obliquely downwards; the pipe diameter of the feeding pipeline is sequentially reduced from one end to the other end; one end of the feeding pipeline is connected with the atomizing fan, the other end of the feeding pipeline is connected with the spiral channel, the feeding pipeline is communicated with the powder supply device, and the air powder is mixed and then forms atomized powder in spiral distribution through the spiral channel, the feeding port and the annular channel.
2. A powder atomizing apparatus as set forth in claim 1, wherein: the outer housing is coaxially arranged with the inner housing.
3. A ceramic dry powder granulation system, comprising a powder atomizing device, a powder supply device, a water supply device, a powder-water mixing tower and a granulation device according to any one of claims 1 to 2, wherein the powder supply device is used for conveying powder to the powder atomizing device, the powder supply device comprises a powder storage bin, a quantitative feeding mechanism, a feeding fan, a feeding pipeline, a temporary storage bin and a discharge valve, one end of the feeding pipeline is connected with the feeding fan, the other end of the feeding pipeline is connected with the temporary storage bin, the quantitative feeding mechanism is arranged at the bottom of the powder storage bin and used for quantitatively conveying powder to the feeding pipeline, the feeding fan is used for blowing the powder in the feeding pipeline into the temporary storage bin, and one end of the discharge valve is connected with the other end of the temporary storage bin and the other end of the discharge valve is connected with a feeding pipeline; the discharging valve is a pressure valve which is opened when the pressure of the temporary storage bin exceeds a preset value; the powder atomizing device is arranged at the top of the powder-water mixing tower and used for atomizing powder and sending the powder into the powder-water mixing tower, an annular channel of the powder atomizing device forms a downward annular opening, the water supply device is provided with a plurality of atomizing nozzles positioned in the powder-water mixing tower, and the circumference of each atomizing nozzle is arranged below the annular opening; the powder-water mixing tower is used for providing a space for powder-water mixing, the granulating device is arranged at the bottom of the powder-water mixing tower, and the powder mixed with water falls into the granulating device for granulating.
4. A ceramic dry powder granulation system as claimed in claim 3, wherein: the powder-water mixing tower comprises a cylindrical upper tower body and a conical lower tower body, wherein the lower port of the upper tower body is positioned in the upper port of the lower tower body, and annular blowing channels are formed between the lower port of the upper tower body and the upper port of the lower tower body at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586187.6A CN108579613B (en) | 2018-06-08 | 2018-06-08 | Powder atomizing device and ceramic dry powder granulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586187.6A CN108579613B (en) | 2018-06-08 | 2018-06-08 | Powder atomizing device and ceramic dry powder granulating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108579613A CN108579613A (en) | 2018-09-28 |
| CN108579613B true CN108579613B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810586187.6A Active CN108579613B (en) | 2018-06-08 | 2018-06-08 | Powder atomizing device and ceramic dry powder granulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108579613B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0468269A1 (en) * | 1990-07-21 | 1992-01-29 | Messer Griesheim Gmbh | Process and apparatus for preparing powders |
| JPH10216575A (en) * | 1997-02-07 | 1998-08-18 | Tokin Corp | Apparatus and method for granulation |
| CN2401264Y (en) * | 1999-11-26 | 2000-10-18 | 尹贵玉 | Dry humidifying centrifugal intensified granulator set |
| CN2411843Y (en) * | 2000-03-21 | 2000-12-27 | 广西壮族自治区玉林松脂厂 | Whole externally mixed air flow spraying granulating shower nozzle |
| CN2688370Y (en) * | 2004-02-25 | 2005-03-30 | 尹贵玉 | Double horizontal rotating centrifugal comminutor |
| CN202955689U (en) * | 2012-11-27 | 2013-05-29 | 佛山市沛沣科技有限公司 | Powder material combustion spray gun |
| CN107930530A (en) * | 2017-12-08 | 2018-04-20 | 咸阳陶瓷研究设计院有限公司 | A kind of ceramic raw material suspension Granulation Equipments |
| CN207371344U (en) * | 2017-08-30 | 2018-05-18 | 无锡中维环境科技有限公司 | A kind of tempered water is evenly distributed with distribution plate |
| CN208894156U (en) * | 2018-06-08 | 2019-05-24 | 福建敏捷机械有限公司 | A kind of powder atomising device and ceramic powder granulating system |
-
2018
- 2018-06-08 CN CN201810586187.6A patent/CN108579613B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0468269A1 (en) * | 1990-07-21 | 1992-01-29 | Messer Griesheim Gmbh | Process and apparatus for preparing powders |
| JPH10216575A (en) * | 1997-02-07 | 1998-08-18 | Tokin Corp | Apparatus and method for granulation |
| CN2401264Y (en) * | 1999-11-26 | 2000-10-18 | 尹贵玉 | Dry humidifying centrifugal intensified granulator set |
| CN2411843Y (en) * | 2000-03-21 | 2000-12-27 | 广西壮族自治区玉林松脂厂 | Whole externally mixed air flow spraying granulating shower nozzle |
| CN2688370Y (en) * | 2004-02-25 | 2005-03-30 | 尹贵玉 | Double horizontal rotating centrifugal comminutor |
| CN202955689U (en) * | 2012-11-27 | 2013-05-29 | 佛山市沛沣科技有限公司 | Powder material combustion spray gun |
| CN207371344U (en) * | 2017-08-30 | 2018-05-18 | 无锡中维环境科技有限公司 | A kind of tempered water is evenly distributed with distribution plate |
| CN107930530A (en) * | 2017-12-08 | 2018-04-20 | 咸阳陶瓷研究设计院有限公司 | A kind of ceramic raw material suspension Granulation Equipments |
| CN208894156U (en) * | 2018-06-08 | 2019-05-24 | 福建敏捷机械有限公司 | A kind of powder atomising device and ceramic powder granulating system |
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| Publication number | Publication date |
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| CN108579613A (en) | 2018-09-28 |
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