CN103463825A - Centrifugal atomizer - Google Patents
Centrifugal atomizer Download PDFInfo
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- CN103463825A CN103463825A CN2013104437003A CN201310443700A CN103463825A CN 103463825 A CN103463825 A CN 103463825A CN 2013104437003 A CN2013104437003 A CN 2013104437003A CN 201310443700 A CN201310443700 A CN 201310443700A CN 103463825 A CN103463825 A CN 103463825A
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Abstract
The invention relates to a centrifugal atomizer which is characterized in that a motor drives and controls a main shaft to rotate via a transmission so as to drive an atomizing disk sleeved on an outer lateral surface of the main shaft to rotate; meanwhile, a nano suspension liquid enters the atomizing disk through a material distribution disk; the atomizing disk rotating at high speed causes the nano suspension liquid entering a feed chamber to be thrown out via spray holes under the action of centrifugal force. As a peripheral wall of a disk body is uniformly provided with the plurality of spray holes, the disk body has the diameter of 150mm and the thickness of 15mm, the feed chamber has the diameter of 60mm and the depth of 10mm; the disk body and the feed chamber are designed with specific dimensions, so that strong centrifugal force is generated when the atomizing disk rotates at high speed, the nano suspension liquid enters the feed chamber and is thrown out via the plurality of spray holes so as to form superfine mist drops, and nano power and water in the superfine mist drops of the nano suspension liquid are quickly separated from each other, so that the production intensity of a drying tower in the subsequent process is increased by 30%, the production energy consumption is reduced by more than 20%, and the drying efficiency also reaches more than 97%.
Description
Technical field
The present invention relates to the atomization plant technical field, relate in particular to a kind of centrifugal atomizer.
Background technology
Spray dryer, mainly comprise atomizer and drying tower, be to utilize atomizer to carry out atomization to some suspension material to produce droplet, the drying tower carries out high temperature drying to droplet again, and spray dryer is applicable to generate powdery, granular product in solution, emulsion, suspension and pumpability pasty state liquid charging stock.When the particle size distribution in material, residual moisture content, bulk density and grain shape meet accurate standard, spray dryer is very good process equipment.Atomization to nano suspending liquid in industrial production has quite high requirement, need to carry out super-fine atomization to nano suspending liquid during atomization, and existing atomizer mainly rely on material at the port of export of materail tube by the air siphon atomization of high-speed and high-temperature, adopt this mode to carry out atomization to material, the atomization droplet of its generation is quite large, and therefore, the power consumption during moisture gasification just increases, the operating efficiency of drier reduces, and the production intensity of equipment also diminishes relatively.
Summary of the invention
The object of the invention is to provides a kind of centrifugal atomizer that can improve production intensity and production efficiency for the deficiencies in the prior art.
For achieving the above object, a kind of centrifugal atomizer of the present invention, comprise pedestal, casing, motor, speed changer, main shaft, material separating disc and atomizing disk, described casing is arranged at the below of pedestal and is fixedly connected with pedestal, speed changer is fixedly installed in the top of pedestal, top and motor output shaft that motor is arranged at speed changer are connected with speed changer, main shaft is arranged in casing and is connected with speed changer, material separating disc is sheathed on the lateral surface of main shaft, described atomizing disk comprises disk body, the diameter of this disk body is 140-160mm, the thickness of disk body is 13-17mm, the perisporium of disk body evenly offers several spray holes, the middle part of disk body offers a feed cavity, the diameter of this feed cavity is 50-70mm, the degree of depth of feed cavity is 9-11mm, described spray holes communicates with feed cavity, and the bottom of feed cavity offers a taper hole, and atomizing disk is socketed on the lateral surface of main shaft by this taper hole, and feed cavity communicates with the outlet of material separating disc.
Wherein, the diameter of described disk body is 150mm, and the thickness of disk body is 15mm; The diameter of described feed cavity is 60mm, and the degree of depth of feed cavity is 10mm.
Wherein, described disk body is the wear-resistant ceramic disk body.
Wherein, described orifice is eight.
Wherein, the bottom of described main shaft is bolted with for locking the nut of atomizing disk.
Wherein, described atomizer also comprises feed pipe, and the top of this feed pipe is passed described pedestal and is fixed on pedestal, and bottom and the material separating disc of this feed pipe are connected.
Wherein, described atomizer also comprises driven shaft, shaft coupling and driven bearing, and the upper end of described driven shaft is connected with motor output shaft by shaft coupling, and the lower end of driven shaft is connected with speed changer by driven bearing.
Wherein, be provided with oil tank and Lower shaft sleeve in described casing, described pedestal middle part is fixedly installed Upper shaft sleeve; The top of described Upper shaft sleeve is fixedly connected with speed changer, described oil tank is arranged at the below of Upper shaft sleeve and is fixedly connected with Upper shaft sleeve, described Lower shaft sleeve is arranged at the below of oil tank and is fixedly connected with oil tank, and described material separating disc is arranged at the outside of Lower shaft sleeve and is fixedly connected with Lower shaft sleeve; Described main shaft is comprised of the enlarged diameter section on top and the flexible reduced diameter section of bottom; The two ends of the enlarged diameter section of this main shaft are installed in respectively in the axis hole of Upper shaft sleeve by upper bearing (metal) and intermediate bearing, and the lower end of the flexible reduced diameter section of this main shaft is installed in the axis hole of Lower shaft sleeve by floating bearing.
Beneficial effect of the present invention: a kind of centrifugal atomizer, during work, motor drives and passes through the rotating speed of transmission control main shaft, main shaft rotates and drives the atomizing disk High Rotation Speed that is socketed on the main shaft lateral surface, simultaneously, nano suspending liquid is in material separating disc enters atomizing disk, and the atomizing disk of High Rotation Speed makes the nano suspending liquid entered in feed cavity throw away through spray holes under the effect of centrifugal force, because the perisporium of disk body evenly offers several spray holes, wherein, the diameter of disk body is 150mm, thickness is 15mm, the diameter of feed cavity is 60mm, the degree of depth is 10mm, the design of disk body and feed cavity employing specific dimensions can be so that atomizing disk produces powerful centrifugal force under High Rotation Speed, nano suspending liquid enters feed cavity and throws away through several uniform spray holes, thereby formed the droplet of superfine, nano-powder in the ultra-fine droplet of nano suspending liquid separates fast with water, make the production intensity of drying tower in subsequent handling improve 30%, energy consumption reduces more than 20%, drying efficiency also reaches more than 97%.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The structural representation that Fig. 2 is atomizing disk of the present invention.
Fig. 3 is the Section View along B-B line in Fig. 2.
Reference numeral comprises:
1-pedestal, 2-casing, 3-motor, 4-speed changer
5-main shaft, 6-material separating disc, 7-atomizing disk, 8-feed pipe
9-driven shaft, 10-shaft coupling 11-driven bearing 21-oil tank
22-Lower shaft sleeve, 23-Upper shaft sleeve, 24-upper bearing (metal), 25-intermediate bearing
26-floating bearing, 51-enlarged diameter section 52-flexible reduced diameter section 71-disk body
72-nut, 711-spray holes, 712-feed cavity, 713-taper hole.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1 to Figure 3, a kind of centrifugal atomizer of the present invention, comprise pedestal 1, casing 2, motor 3, speed changer 4, main shaft 5, material separating disc 6 and atomizing disk 7, described casing 2 is arranged at the below of pedestal 1 and is fixedly connected with pedestal 1, speed changer 4 is fixedly installed in the top of pedestal 1, top and motor output shaft that motor 3 is arranged at speed changer 4 are connected with speed changer 4, main shaft 5 is arranged in casing 2 and is connected with speed changer 4, material separating disc 6 is sheathed on the lateral surface of main shaft 5, described atomizing disk 7 comprises disk body 71, the diameter of this disk body 71 is 150mm, the thickness of disk body 71 is 15mm, the perisporium of disk body 71 evenly offers several spray holes 711, the middle part of disk body 71 offers a feed cavity 712, the diameter of this feed cavity 712 is 60mm, the degree of depth of feed cavity 712 is 10mm, described spray holes 711 communicates with feed cavity 712, and the bottom of feed cavity 712 offers a taper hole 713, and atomizing disk 7 is socketed on the lateral surface of main shaft 5 by this taper hole 713, and feed cavity 712 communicates with the outlet of material separating disc 6.
When the present invention works, motor 3 drives and passes through the rotating speed of speed changer 4 control main shafts 5, main shaft 5 rotates and drives atomizing disk 7 High Rotation Speeds that are socketed on main shaft 5 lateral surfaces, simultaneously, nano suspending liquid is in material separating disc 6 enters atomizing disk 7, the atomizing disk 7 of High Rotation Speed can keep turn/min of turn 15000/min-18000 of rotating speed under the effect of speed changer 4, thereby make the nano suspending liquid entered in feed cavity 712 be thrown away by spray holes 711 by powerful centrifugal force, because the perisporium of disk body 71 evenly offers several spray holes 711, preferably, the diameter A of disk body 71 is 150mm, thickness H is 15mm, the diameter a of feed cavity 712 is 60mm, degree of depth h is 10mm, the design of disk body 71 and the above-mentioned specific dimensions of feed cavity 712 employing can be so that atomizing disk 7 produces powerful centrifugal force when High Rotation Speed, nano suspending liquid throws away from several uniform spray holes 711, thereby formed the droplet of superfine, nano-powder in the ultra-fine droplet of nano suspending liquid separates fast with water, improve the production intensity of drying tower in subsequent handling, reduce energy consumption, thereby the purpose of enhancing productivity.
Water in the droplet of superfine temperature in drying tower reaches under the environment of 180 ℃ flash distillation immediately and separates with nanoparticle, thereby reached the purpose that nano particle is separated from nano suspending liquid, through actual use, adopt the drying tower under described atomizer effect, the production intensity of its drying tower (being the dry output of column of unit) is than under the siphon spraying effect of conventional atomizers, having improved 30%, the energy-conservation raising more than 20%, drying efficiency also reaches more than 97%, and application of the present invention has significant progress for traditional siphon spraying.
Preferably, described disk body 71 is the wear-resistant ceramic disk body, it has extremely strong anti-wear performance, can avoid the phenomenon that mist droplet particle size is inhomogeneous or particle diameter is excessive that makes spray holes 711 wearing and tearing cause atomizing disk 7 to throw away due to long-term work, avoid affecting follow-up drying tower the drying of droplet is separated.
Preferably, described spray holes 711 is eight, eight spray holes 711 evenly arrange, while making nano suspending liquid enter into feed cavity 712, under the powerful centrifugal force produced at disk body 71 High Rotation Speeds, from eight spray holes 711, throw away equably, thereby the droplet of formation superfine guarantees that atomizing effect of the present invention is better.
In the present embodiment, the bottom of described main shaft 5 is bolted with the nut 72 for locking atomizing disk 7.The main shaft 5 of High Rotation Speed drives atomizing disk 7 High Rotation Speeds, for guaranteeing that atomizing disk 7 is at when work High Rotation Speed stably, prevent that atomizing disk 7 and being connected of main shaft 5 from producing loosening and causing atomizing effect not good, perhaps atomizing disk 7 comes off and flies out, and cause industrial accident, therefore, the nut 72 of atomizing disk 7 is locked in the bottom of main shaft 5 by being spirally connected one, further make atomizing disk 7 be connected with main shaft 5 is stable, guarantee that the present invention can produce good atomizing effect in the course of the work, and can prevent the generation of security incident.
In the present embodiment, described atomizer also comprises feed pipe 8, and the top of this feed pipe 8 is passed described pedestal 1 and is fixed on pedestal 1, and the bottom of this feed pipe 8 and material separating disc 6 are connected.Arranging of feed pipe 8 can guarantee that the nano suspending liquid material is transported to material separating disc 6 easily and safely, be delivered to again the feed cavity 712 of atomizing disk 7 through the outlet of material separating disc 6, thereby the nano suspending liquid material is carried out to the high speed centrifugation atomization, feed pipe 8 reasonable in design, practicality is very strong.
In the present embodiment, described atomizer also comprises driven shaft 9, shaft coupling 10 and driven bearing 11, and the upper end of described driven shaft 9 is connected with motor output shaft by shaft coupling 10, and the lower end of driven shaft 9 is connected with speed changer 4 by driven bearing 11.The effect of shaft coupling 10 is for connecting motor output shaft and driven shaft 9, thereby make motor output shaft and driven shaft 9 jointly to rotate with transmitting torque, in addition, in the power transmission of High Rotation Speed, it is the effect of dynamic property that shaft coupling 10 also has buffering, vibration damping and raising axle; Driven bearing 11 is for fixing driven shaft 9, and guarantees that driven shaft 9 can realize rotating, thus control driven shaft 9 axially and movement radially.
In the present embodiment, be provided with oil tank 21 and Lower shaft sleeve 22 in described casing 2, described pedestal 1 middle part is fixedly installed Upper shaft sleeve 23; The top of described Upper shaft sleeve 23 is fixedly connected with speed changer 4, described oil tank 21 is arranged at the below of Upper shaft sleeve 23 and is fixedly connected with Upper shaft sleeve 23, described Lower shaft sleeve 22 is arranged at the below of oil tank 21 and is fixedly connected with oil tank 21, and described material separating disc 6 is arranged at the outside of Lower shaft sleeve 22 and is fixedly connected with Lower shaft sleeve 22; Described main shaft 5 is comprised of the enlarged diameter section 51 on top and the flexible reduced diameter section 52 of bottom; The two ends of the enlarged diameter section 51 of this main shaft 5 are installed in respectively in the axis hole of Upper shaft sleeve 23 by upper bearing (metal) 24 and intermediate bearing 25, and the lower end of the flexible reduced diameter section 52 of this main shaft 5 is installed in the axis hole of Lower shaft sleeve 22 by floating bearing 26.The effect that is provided for main shaft 5 is played axial location of Upper shaft sleeve 23 and Lower shaft sleeve 22, wherein, 21 of oil tanks provide lubricating oil to main shaft 5; In addition, the long-term high speed rotary motion due to main shaft 5, will inevitably produce larger frictional force, even Upper shaft sleeve 23 and Lower shaft sleeve 22 cause wearing and tearing under the effect of frictional force, also is convenient to change; In addition, main shaft 5 is because rotating speed is exceedingly fast, produce powerful vibration force the atomizing disk 7 that is sheathed on main shaft 5 is caused to irregular shake for preventing that rotating speed is exceedingly fast, the flexible reduced diameter section 52 of main shaft of the present invention 5 enlarged diameter sections by top 51 and bottom forms, flexible reduced diameter section 52 is installed in the axis hole of Lower shaft sleeve 22 by floating bearing 26, during work, the vibration force produced in the time of effectively eliminating enlarged diameter section 51 High Rotation Speed of main shaft 5, thereby make the rotating speed of atomizing disk 7 more steady, atomizing effect is better.
Above content is only preferred embodiment of the present invention, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.
Claims (8)
1. a centrifugal atomizer, comprise pedestal (1), casing (2), motor (3), speed changer (4), main shaft (5), material separating disc (6) and atomizing disk (7), described casing (2) is arranged at the below of pedestal (1) and is fixedly connected with pedestal (1), speed changer (4) is fixedly installed in the top of pedestal (1), top and motor output shaft that motor (3) is arranged at speed changer (4) are connected with speed changer (4), main shaft (5) is arranged in casing (2) and is connected with speed changer (4), material separating disc (6) is sheathed on the lateral surface of main shaft (5), it is characterized in that: described atomizing disk (7) comprises disk body (71), the diameter of this disk body (71) is 140-160mm, the thickness of disk body (71) is 13-17mm, the perisporium of disk body (71) evenly offers some each and every one spray holes (711), the middle part of disk body (71) offers a feed cavity (712), the diameter of this feed cavity (712) is 50-70mm, the degree of depth of feed cavity (712) is 9-11mm, described spray holes (711) communicates with feed cavity (712), the bottom of feed cavity (712) offers a taper hole (713), atomizing disk (7) is socketed on the lateral surface of main shaft (5) by this taper hole (713), and feed cavity (712) communicates with the outlet of material separating disc (6).
2. a kind of centrifugal atomizer according to claim 1, it is characterized in that: the diameter of described disk body (71) is 150mm, the thickness of disk body (71) is 15mm; The diameter of described feed cavity (712) is 60mm, and the degree of depth of feed cavity (712) is 10mm.
3. a kind of centrifugal atomizer according to claim 1, it is characterized in that: described disk body (71) is the wear-resistant ceramic disk body.
4. a kind of centrifugal atomizer according to claim 1, it is characterized in that: described spray holes (711) is eight.
5. a kind of centrifugal atomizer according to claim 1, it is characterized in that: the bottom of described main shaft (5) is bolted with the nut (72) for locking atomizing disk (7).
6. a kind of centrifugal atomizer according to claim 1, it is characterized in that: described atomizer also comprises feed pipe (8), the top of this feed pipe (8) is through described pedestal (1) and be fixed at pedestal (1) above, and the bottom of this feed pipe (8) and material separating disc (6) are connected.
7. a kind of centrifugal atomizer according to claim 1, it is characterized in that: described atomizer also comprises driven shaft (9), shaft coupling (10) and driven bearing (11), the upper end of described driven shaft (9) is connected with motor output shaft by shaft coupling (10), and the lower end of driven shaft (9) is connected with speed changer (4) by driven bearing (11).
8. according to the described a kind of centrifugal atomizer of claim 1 ~ 7 any one, it is characterized in that: be provided with oil tank (21) and Lower shaft sleeve (22) in described casing (2), described pedestal (1) middle part is fixedly installed Upper shaft sleeve (23); The top of described Upper shaft sleeve (23) is fixedly connected with speed changer (4), described oil tank (21) is arranged at the below of Upper shaft sleeve (23) and is fixedly connected with Upper shaft sleeve (23), described Lower shaft sleeve (22) is arranged at the below of oil tank (21) and is fixedly connected with oil tank (21), and described material separating disc (6) is arranged at the outside of Lower shaft sleeve (22) and is fixedly connected with Lower shaft sleeve (22); Described main shaft (5) is comprised of the enlarged diameter section (51) on top and the flexible reduced diameter section (52) of bottom; The two ends of the enlarged diameter section (51) of this main shaft (5) are installed in respectively in the axis hole of Upper shaft sleeve (23) by upper bearing (metal) (24) and intermediate bearing (25), and the lower end of the flexible reduced diameter section (52) of this main shaft (5) is installed in the axis hole of Lower shaft sleeve (22) by floating bearing (26).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310443700.3A CN103463825B (en) | 2013-01-31 | 2013-09-26 | A kind of centrifugal atomizer |
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| CN201310037951.1 | 2013-01-31 | ||
| CN201310037951 | 2013-01-31 | ||
| CN201310443700.3A CN103463825B (en) | 2013-01-31 | 2013-09-26 | A kind of centrifugal atomizer |
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| CN103463825B CN103463825B (en) | 2015-11-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750107A (en) * | 2016-04-07 | 2016-07-13 | 广州极飞电子科技有限公司 | Sprinkler and unmanned aerial vehicle comprising same |
| CN107812954A (en) * | 2017-12-01 | 2018-03-20 | 深圳市中金岭南科技有限公司 | The preparation method and its preparation facilities of a kind of copper powder |
| CN111408226A (en) * | 2020-03-27 | 2020-07-14 | 北京艺轩吉装饰工程有限公司 | Air purification device is used to portable interior decoration |
| CN112218725A (en) * | 2019-10-22 | 2021-01-12 | 深圳市大疆创新科技有限公司 | Centrifugal throwing disc, centrifugal spray head, spraying system and movable platform |
| CN115672713A (en) * | 2022-11-29 | 2023-02-03 | 南京保信新材料有限公司 | Screening equipment for nano material |
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| JPS56129001A (en) * | 1980-03-13 | 1981-10-08 | Nippon Kokan Kk <Nkk> | Spray dryer |
| CN2907911Y (en) * | 2006-05-19 | 2007-06-06 | 王秀福 | Atomization device |
| CN101947408A (en) * | 2010-09-01 | 2011-01-19 | 牟涛 | High-speed centrifugal atomization device for flue gas treatment |
| CN202621345U (en) * | 2012-07-09 | 2012-12-26 | 冷水江三A化工有限责任公司 | Centrifugal atomizer |
| CN203525343U (en) * | 2013-01-31 | 2014-04-09 | 宜昌三峡中润纳米材料有限公司 | Centrifugal atomizer |
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2013
- 2013-09-26 CN CN201310443700.3A patent/CN103463825B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56129001A (en) * | 1980-03-13 | 1981-10-08 | Nippon Kokan Kk <Nkk> | Spray dryer |
| CN2907911Y (en) * | 2006-05-19 | 2007-06-06 | 王秀福 | Atomization device |
| CN101947408A (en) * | 2010-09-01 | 2011-01-19 | 牟涛 | High-speed centrifugal atomization device for flue gas treatment |
| CN202621345U (en) * | 2012-07-09 | 2012-12-26 | 冷水江三A化工有限责任公司 | Centrifugal atomizer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750107A (en) * | 2016-04-07 | 2016-07-13 | 广州极飞电子科技有限公司 | Sprinkler and unmanned aerial vehicle comprising same |
| CN105750107B (en) * | 2016-04-07 | 2017-09-15 | 广州极飞科技有限公司 | Flusher and the unmanned plane with it |
| CN107812954A (en) * | 2017-12-01 | 2018-03-20 | 深圳市中金岭南科技有限公司 | The preparation method and its preparation facilities of a kind of copper powder |
| CN107812954B (en) * | 2017-12-01 | 2020-08-21 | 深圳市中金岭南科技有限公司 | Preparation method and preparation device of copper powder |
| CN112218725A (en) * | 2019-10-22 | 2021-01-12 | 深圳市大疆创新科技有限公司 | Centrifugal throwing disc, centrifugal spray head, spraying system and movable platform |
| CN111408226A (en) * | 2020-03-27 | 2020-07-14 | 北京艺轩吉装饰工程有限公司 | Air purification device is used to portable interior decoration |
| CN115672713A (en) * | 2022-11-29 | 2023-02-03 | 南京保信新材料有限公司 | Screening equipment for nano material |
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Effective date of registration: 20180420 Address after: 518109 3 building, 9 A building, 1 of qingnang Road, Longhua Road, Longhua, Shenzhen, Guangdong. Patentee after: Guangdong topology Technology Development Co., Ltd. Address before: 180 No. 443007 Hubei city in Yichang province Xiao Ting Road Patentee before: Yichang Sanxia Zhongrun Nano Material Co., Ltd. |