CN103831180A - Centrifugal atomizer nozzle for producing white carbon black - Google Patents
Centrifugal atomizer nozzle for producing white carbon black Download PDFInfo
- Publication number
- CN103831180A CN103831180A CN201410024841.6A CN201410024841A CN103831180A CN 103831180 A CN103831180 A CN 103831180A CN 201410024841 A CN201410024841 A CN 201410024841A CN 103831180 A CN103831180 A CN 103831180A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- vane sheet
- white carbon
- miniature projection
- spray orifice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/08—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements in association with stationary outlet or deflecting elements
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
Abstract
The invention discloses a centrifugal atomizer nozzle for producing white carbon black. The nozzle comprises a nozzle body and spray holes, the spray holes are formed in the nozzle body, rotational blades are further included and located on the outer sides of the spray holes, N micro protrusions are arranged on the surfaces, exactly facing the spray holes, of the rotational blades, the distance between the micro protrusions is 100 microns to 500 microns, the height of the micro protrusions is 50 microns to 300 microns, N is an integer, and N is larger than 100. In the spray holes, the vaporous white carbon black is sprayed on the rotational blades with the state of high speed and high pressure, and is impacted and cut by the micro protrusions, large powder particles are cut into small powder particles, and energy in the spray holes is fully utilized. The rotational blades are impacted by the white carbon black to rotate and achieve the flow guide function on the white carbon black, and the atomization effect is improved. The diameter of the particles of the obtained white carbon black can be averagely reduced by more than 20 microns under the condition that other processes are not changed.
Description
Technical field
The present invention relates to chemical production equipment technical field, relate in particular to a kind of nozzle of the centrifugal atomizer producing for raw white carbon.
Background technology
White carbon is the general name of white powder amorphous silicic acid and silicate product, mainly refer to precipitated silica, aerosil, superfine silicon dioxide gel and white carbon aeroge, also comprise Powdered synthetic aluminium silicate and calcium silicates etc., particle diameter is the important quality standard of white carbon.
Producing in process of white carbon, white carbon out becomes paste from plate and frame filter press, there is no mobility, needs could obtain through operations (as shown in Figure 1) such as making beating, revolution oven dry, cyclonic separation the finished product of powder class, wherein, cyclone separator is an important separation equipment.
In existing technological process, the Main Function of centrifugal atomizer is that the white carbon of flow-like is become to vaporific white carbon, thereby provides preparation for being dried.The vaporific white carbon of spray orifice at the nozzle of centrifugal atomizer is sprayed onto in drying tower and is dried with high speed and high pressure state, and the particle diameter of the white carbon that finished product obtains is 80～150um; In this technological process, the energy of spray orifice does not make full use of.
Summary of the invention
The object of the present invention is to provide a kind of nozzle of centrifugal atomizer, can make full use of spray orifice energy, more than the particle diameter of white carbon black powder is reduced to 20um.
The present invention realizes by the following technical solutions.
A kind of nozzle of the centrifugal atomizer for white carbon black production, comprise nozzle body and spray orifice, spray orifice is positioned on nozzle body, also comprising can vane sheet, can vane sheet be positioned at the outside of spray orifice, can just be provided with N miniature projection to the surface of spray orifice by vane sheet, the spacing of miniature projection is 100～500um, the height of miniature projection is 50～300um, and N is integer, and the quantity of N is more than 100.
Wherein, also comprise pillar, rotating shaft, pillar is distributed in the outside at the edge of spray orifice, and pillar connects rotating shaft by bearing, can be positioned on rotating shaft by vane sheet.
Preferably, can there be three by vane sheet, can vane sheet be distributed in all sides of rotating shaft.
Preferably, can vane sheet be hollow, inside that can vane sheet is provided with chamber; Can be provided with blind hole facing to the one side of spray orifice by vane sheet, blind hole is communicated with chamber; Rotating shaft is provided with intercommunicating pore, and intercommunicating pore is communicated with chamber, and intercommunicating pore is provided with external interface.
Preferably, the aperture of blind hole is 100～300um.
Preferably, can vane sheet along the outside coiled coil of axis of rotating shaft; The distribution density of miniature projection along can vane sheet radially outward reduce gradually.
Preferably, miniature projection in distribution that can vane sheet is: in 1/2 scope of the length of radial direction that can vane sheet.
Preferably, the head of miniature projection is zigzag, and the bottom of miniature projection is cuboid or cylinder.
Preferably, each miniature projection is provided with multiple heads.
Preferably, can vane sheet be that stainless steel is made blade body, miniature projection is the miniature projection of stainless steel, stainless steel making blade body and the miniature projection of stainless steel are one-body molded.
Beneficial effect of the present invention is: a kind of nozzle of the centrifugal atomizer for white carbon black production, comprise nozzle body and spray orifice, spray orifice is positioned on nozzle body, also comprising can vane sheet, can vane sheet be positioned at the outside of spray orifice, can just be provided with N miniature projection to the surface of spray orifice by vane sheet, the spacing of miniature projection is 100～500um, the height of miniature projection is 50～300um, and N is integer, and the quantity of N is more than 100.At spray orifice, vaporific white carbon with high speed and high pressure state spray can vane sheet on, be subject to shock, the dissection of miniature projection, large powder granule is cut into little powder granule, the energy of spray orifice is fully utilized; The percussion that can vane sheet be subject to white carbon, rotates, and white carbon is played to guide functions, has improved atomizing effect; More than the particle diameter of the white carbon of gained can on average reduce 20um in the situation that other technique is constant.
Accompanying drawing explanation
For technical scheme clearer, that the embodiment of the present invention is described effectively, the accompanying drawing of required use in embodiment is briefly described, self-explantoryly be, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, without paying under the prerequisite of creative work, can also make other accompanying drawing according to these accompanying drawings.
Fig. 1 is the dry process flow diagram of paste white carbon.
Fig. 2 is the structural representation of the nozzle of a kind of centrifugal atomizer for white carbon black production of the present invention.
Fig. 3 be a kind of centrifugal atomizer for white carbon black production of the present invention can vane sheet structural representation.
Fig. 4 be a kind of centrifugal atomizer for white carbon black production of the present invention can vane sheet the partial enlarged drawing at A place of Fig. 3.
In figure:
1-beater; 2-stirred tank; 3-centrifugal atomizer; 31-nozzle body; 311-spray orifice; 32-can vane sheet; The miniature projection of 321-; 322-blind hole; 323-chamber; 33-pillar; 34-rotating shaft; 4-drying tower; 5-air blast; 6-heat pump; 7-cyclone separator; 8-draws interior machine.
The specific embodiment
The invention provides a kind of nozzle of the centrifugal atomizer for white carbon black production, in order to make the clearer the present invention program of understanding of those of skill in the art, and make the above-mentioned object of the present invention, feature, beneficial effect can more understand, understandable, below in conjunction with accompanying drawing 1～4 and the specific embodiment, the present invention is further detailed explanation.
Refer to Fig. 1.Out become paste white carbon fully to mix with lysate in beater 1 from plate and frame filter press, become flow-like at solid content lower than 18% time, enter in stirred tank 2, after stirring, be vaporific by the effect of centrifugal atomizer 3 and spray in drying tower 4; Meanwhile, the heat that air blast 5 provides heat pump 6 is sent near the shower nozzle of tower top centrifugal atomizer 3 of drying tower 4, and vaporific white carbon is dried to the white carbon into powder shaped; The white carbon of powder shaped carries out particle diameter separation in cyclone separator 7, the white carbon that particle is larger and other impurity flow out from the bottom of cyclone separator 7, under the effect of the secondary vortex flow of the less white carbon of particle diameter in cyclone separator 7, enter return duct, under the effect of drawing interior machine 8, enter subsequent production flow process.
Refer to Fig. 2～4.A kind of nozzle of the centrifugal atomizer for white carbon black production, comprise nozzle body 31 and spray orifice 311, spray orifice 311 is positioned on nozzle body 31, also comprising can vane sheet 32, can vane sheet 32 be positioned at the outside of spray orifice 311, can just be provided with N miniature projection 321 to the surface of spray orifice 311 by vane sheet 32, the spacing of miniature projection 321 is 100～500um, the height of miniature projection 321 is 50～300um, and N is integer, and the quantity of N is more than 100.
Fig. 2 in the present invention only schematically drawn spray orifice 311 places can vane sheet 32 structure.
At spray orifice 311 places, vaporific white carbon with high speed and high pressure state spray can vane sheet 32 on, be subject to shock, the dissection of miniature projection 321, large powder granule is cut into little powder granule, the energy at spray orifice 311 places is fully utilized; The percussion that can vane sheet 32 be subject to white carbon, rotates, and white carbon is played to guide functions, has improved atomizing effect; More than the particle diameter of the white carbon of gained can on average reduce 20um in the situation that other technique is constant.
In the present embodiment, also comprise pillar 33, rotating shaft 34, pillar 33 is distributed in the outside at the edge of spray orifice 311, and pillar 33 connects rotating shaft 34 by bearing, can be positioned on rotating shaft 34 by vane sheet 32; Can there be three by vane sheet 32, can vane sheet 32 be distributed in all sides of rotating shaft 34.
In the present embodiment, can vane sheet 32 be hollow, inside that can vane sheet 32 is provided with chamber 323; Can be provided with blind hole 322 facing to the one side of spray orifice 311 by vane sheet 32, blind hole 322 is communicated with chamber 323; Rotating shaft 34 is provided with intercommunicating pore, and intercommunicating pore is communicated with chamber 323, and intercommunicating pore is provided with external interface, and the rotatable connection of external interface has the thermal source of certain pressure, and thermal source air blast is played desiccation by blind hole 322 to vaporific white carbon black powder.The aperture of blind hole 322 is 100～300um, and because the aperture of blind hole 322 is little, the hot gas pressure that blind hole 322 sprays is large, can play dry and dissection to vaporific white carbon, has further improved the crushing effect of powder white carbon.
In the present embodiment, can vane sheet 32 along the outside coiled coil of axis of rotating shaft 34; The distribution density of miniature projection 321 along can vane sheet 32 radially outward reduce gradually.Miniature projection 321 in distribution that can vane sheet 32 is: in 1/2 scope of the length of radial direction that can vane sheet 32.
In the present embodiment, the head of miniature projection 321 is zigzag, and the bottom of miniature projection 321 is cuboid or cylinder.Each miniature projection 321 is provided with multiple heads.
Can make blade body for stainless steel by vane sheet 32, miniature projection 321 is the miniature projection of stainless steel, and stainless steel making blade body and the miniature projection of stainless steel are one-body molded.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (10)
1. the nozzle for the centrifugal atomizer of white carbon black production, comprise nozzle body (31) and spray orifice (311), spray orifice (311) is positioned on nozzle body (31), it is characterized in that, also comprising can vane sheet (32), can vane sheet (32) be positioned at the outside of spray orifice (311), can just be provided with N miniature projection (321) to the surface of spray orifice (311) by vane sheet (32), the spacing of described miniature projection (321) is 100～500um, the height of described miniature projection (321) is 50～300um, N is integer, and the quantity of N is more than 100.
2. nozzle as claimed in claim 1, it is characterized in that, also comprise pillar (33), rotating shaft (34), pillar (33) is distributed in the outside at the edge of spray orifice (311), pillar (33) connects rotating shaft (34) by bearing, can be positioned on rotating shaft (34) by vane sheet (32).
3. nozzle as claimed in claim 2, is characterized in that, described can have three by vane sheet (32), the described all sides that can vane sheet be distributed in rotating shaft (34).
4. nozzle as claimed in claim 3, is characterized in that, described can vane sheet (32) be hollow, inside that can vane sheet (32) is provided with chamber (323); Describedly can vane sheet (32) be provided with blind hole (322) facing to the one side of spray orifice (311), blind hole (322) is communicated with chamber 323; Described rotating shaft (34) is provided with intercommunicating pore, and described intercommunicating pore is communicated with chamber (323), and described intercommunicating pore is provided with external interface.
5. nozzle as claimed in claim 4, is characterized in that, the aperture of described blind hole (322) is 100～300um.
6. nozzle as claimed in claim 2, is characterized in that, described can vane sheet (32) along the outside coiled coil of axis of described rotating shaft (34); The distribution density of described miniature projection (321) along can vane sheet (32) radially outward reduce gradually.
7. nozzle as claimed in claim 6, is characterized in that, described miniature projection (321) in distribution that can vane sheet (32) is: in 1/2 scope of the length of radial direction that can vane sheet (32).
8. nozzle as claimed in claim 7, is characterized in that, the head of described miniature projection (321) is zigzag, and the bottom of described miniature projection (321) is cuboid or cylinder.
9. nozzle as claimed in claim 8, is characterized in that, each described miniature projection (321) is provided with multiple heads.
10. nozzle as claimed in claim 1, is characterized in that, described can vane sheet (32) be stainless steel making blade body, and described miniature projection (321) is the miniature projection of stainless steel, and described stainless steel making blade body and the miniature projection of stainless steel are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024841.6A CN103831180B (en) | 2014-01-20 | 2014-01-20 | A kind of nozzle of the centrifugal atomizer for white carbon black production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024841.6A CN103831180B (en) | 2014-01-20 | 2014-01-20 | A kind of nozzle of the centrifugal atomizer for white carbon black production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103831180A true CN103831180A (en) | 2014-06-04 |
| CN103831180B CN103831180B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410024841.6A Active CN103831180B (en) | 2014-01-20 | 2014-01-20 | A kind of nozzle of the centrifugal atomizer for white carbon black production |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3552650A (en) * | 1967-11-29 | 1971-01-05 | Ring Around Products Inc | Liquid diffusion spraying mechanism |
| CN2486220Y (en) * | 2001-05-24 | 2002-04-17 | 周运泉 | Jet nozzle of urea granulation |
| CN202283503U (en) * | 2011-09-26 | 2012-06-27 | 福建省环境工程有限公司 | Raw oil cone atomizing nozzle structure for carbon black production |
| CN202741264U (en) * | 2012-08-08 | 2013-02-20 | 安徽六国化工股份有限公司 | Atomizing nozzle for spraying granulation |
| CN203791078U (en) * | 2014-01-20 | 2014-08-27 | 无锡恒诚硅业有限公司 | Nozzle of centrifugal atomizer for white carbon black production |
-
2014
- 2014-01-20 CN CN201410024841.6A patent/CN103831180B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3552650A (en) * | 1967-11-29 | 1971-01-05 | Ring Around Products Inc | Liquid diffusion spraying mechanism |
| CN2486220Y (en) * | 2001-05-24 | 2002-04-17 | 周运泉 | Jet nozzle of urea granulation |
| CN202283503U (en) * | 2011-09-26 | 2012-06-27 | 福建省环境工程有限公司 | Raw oil cone atomizing nozzle structure for carbon black production |
| CN202741264U (en) * | 2012-08-08 | 2013-02-20 | 安徽六国化工股份有限公司 | Atomizing nozzle for spraying granulation |
| CN203791078U (en) * | 2014-01-20 | 2014-08-27 | 无锡恒诚硅业有限公司 | Nozzle of centrifugal atomizer for white carbon black production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103831180B (en) | 2016-06-08 |
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