CN106493004B - A kind of hydrocyclone and its entrance structure determination method for parameter - Google Patents
A kind of hydrocyclone and its entrance structure determination method for parameter Download PDFInfo
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- CN106493004B CN106493004B CN201610900385.6A CN201610900385A CN106493004B CN 106493004 B CN106493004 B CN 106493004B CN 201610900385 A CN201610900385 A CN 201610900385A CN 106493004 B CN106493004 B CN 106493004B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
- B04C5/04—Tangential inlets
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Abstract
A kind of hydrocyclone of present invention offer and its entrance structure determination method for parameter, hydrocyclone includes cavity body, the both ends open of the cavity body is arranged, the cavity body includes that shell of column and cone section are connected with each other, the open-ended place of the shell of column is inserted with overflow pipe, it is equipped with entrance structure in the opening side, the open-ended place of the cone section is equipped with desilting mouth section, and the entrance structure is formed and the smooth tangent curve of the shell of column.The curve of hydrocyclone entrance structure of the present invention is tangent design, therefore it can meet requirement uniform and smooth, without protrusion, and the entrance structure is only related with the shell of column effective diameter of hydrocyclone and overflow pipe outside diameter, hydrocyclone suitable for all sizes, by Experimental Comparison, entrance structure designed by the present invention greatly enhances the stability in hydrocyclone flow field, and in inlet minimal energy loss, separative efficiency is higher.
Description
Technical field
The present invention relates to mineral to process classification hydrocyclone, more particularly to a kind of hydrocyclone and its entrance structure
Determination method for parameter.
Background technology
Hydrocyclone is as one of the exemplary apparatus using centrifugal intertia force and gravity compound force field, because of the letter of its structure
The advantages that list, use cost is low, and treating capacity is big, and floor space is small, is widely used in mineral processing, environmental protection, chemical industry, food and medicine
The separation processes such as solid-solid, solid-liquid, liquid-liquid, the solid-gas in fields such as agent production, for mineral manufacture field, hydrocyclone
It is widely used in classification, desliming, concentration, clarification, washup and the operations such as sorts.
Entrance structure is the primary channel that material enters hydrocyclone, influence of the entrance structure to cyclone separation process
Mainly have at 3 points：1, the pressure loss of cyclone, the i.e. operating power consumption of cyclone；2, the physical abrasion of cyclone, i.e., it is to be separated
Abrasion of the material to eddy flow wall；3, the flowing field stability of cyclone, the i.e. separation accuracy of cyclone.3 points more than meeting, just
It is required that cyclone inlet is smooth and uniform, no protrusion, step and mutation etc., the quality of entrance structure are to determine the longevity of hydrocyclone
Life, one of the key factor of Flow Field Distribution and separating property.
The current most common entrance structure of hydrocyclone has tangent type, involute-type and an Archimedes spiral type, and this
Entrance structure is all more or less a bit there are problems that, although as tangent type processing is simple, flowing field stability is poor；A Ji
Although Mead spiral type flowing field stability is slightly good, processing is complex；Involute-type is therebetween.Therefore, it is necessary to
A kind of better hydrocyclone is designed, to solve the above problems.
Invention content
In view of the problems of the existing technology, the present invention provides the determination of a kind of hydrocyclone and its entrance structure parameter
The entrance structure of method, above-mentioned hydrocyclone is smooth and uniform, no protrusion, step and mutation, it is easy to process and can meet energy consumption,
Abrasion, the requirement of stability.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of hydrocyclone, including cavity body, the both ends open setting of the cavity body, the cavity body includes shell of column
It is connected with each other with cone section, the open-ended place of the shell of column is inserted with overflow pipe, and entrance structure is equipped in the opening side, described
The open-ended place for boring section is equipped with desilting mouth section, and the entrance structure is formed and the smooth tangent curve of the shell of column, the song
Line include positioned at shell of column inlet both sides, respectively with the shell of column outer circle first circle tangent segmental arc and the second arc section,
First arc section extends beyond described entrance a distance, and the one end of second arc section far from the shell of column outer circle connects
It is connected to third arc section, the third arc section and second arc section are tangent, and third arc section end extends beyond
Described entrance a distance, it is logical that entrance is collectively formed in the third arc section, second arc section and first arc section
Road is connected with the shell of column.
Further, outside first arc section and the shell of column outer circle phase inscribe, second arc section and the shell of column
Circle is mutually circumscribed.
Further, the third arc section and second arc section are to inscribe, the diameter of the third arc section and institute
It is equal to state the outer diameter of a circle of shell of column.
A kind of entrance structure determination method for parameter based on above-mentioned hydrocyclone, including：
Step 1：Determine that the effective diameter of the shell of column is d1, overflow pipe outside diameter is d2, the shell of column and the overflow pipe
Common center of circle P1(x1, y1), with P1For the center of circle, respectively with d1、d2Circle D is drawn for diameter1、D2；
Step 2：With P2(x1-(d1-d2)/2, y1) it is the center of circle, with d3=(d1+(d1-d2)=2d1-d2) it is that diameter is drawn into mouth
Gabarit justifies D3；
Step 3：With P1For the center of circle, with d4=(1+k) d1Auxiliary circle D is drawn for diameter4, wherein k is correction factor, takes 1/20
~1/30；
Step 4：With P2For the center of circle, with d1It is drawn into mouthful Inner exterior features for diameter and justifies D5, D5With D4It is P in Y-axis positive direction intersection point4；
Step 5：It draws through P4Point and simultaneously and D1、D5Tangent roundlet D6, to be smoothly connected D1With D5；
Step 6：Beyond D1Range, take one section of tangent line of D3 and D5, the end of tangent line forms entrance, D3、D1、D6And
D5Line and D2Between form access road, the entrance structure is collectively formed.
Further, D3With D1It is P at the point of contact of X-axis positive direction3, shear P3With D6Between D1Arc section.
Further, P is sheared3With D3D between tangent line3Arc section.
Further, P is sheared4With D5D between tangent line5Arc section.
Beneficial effects of the present invention：
The present invention hydrocyclone, the curve of entrance structure is tangent design, thus can meet it is uniform and smooth,
Requirement without protrusion, and the entrance structure is only related with the shell of column effective diameter of hydrocyclone and overflow pipe outside diameter, is suitable for
The hydrocyclone of all sizes, by Experimental Comparison, the entrance structure designed by the present invention greatly enhances hydraulic cyclone
The stability in device flow field, in inlet minimal energy loss, separative efficiency is higher.
Description of the drawings
Fig. 1 is the structural schematic diagram of hydrocyclone of the present invention；
Fig. 2 is the schematic diagram of entrance structure in Fig. 1；
Fig. 3 is the main separation zone flow field motion pattern of hydrocyclone of the present invention；
Fig. 4 is the main separation zone flow field motion pattern of the existing hydrocyclone with tangent type entrance；
Fig. 5 is the main separation zone flow field motion pattern of the existing hydrocyclone with Archimedes spiral type entrance；
Fig. 6 be with the present invention entrance structure hydrocyclone with it is existing with tangent type and Archimedes spiral
The hydrocyclone of type entrance carries out quartzy minal separation test result schematic diagram；
In figure, 1-cavity body, 2-overflow pipes, 3-shell of columns, 4-cone sections, 5-desilting mouths, 6-entrance structures, 7-the
One arc section, the 8-the second arc section, 9-third arc sections.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
Such as Fig. 1, the present invention provides a kind of hydrocyclone with entrance structure, is a cavity body 1, cavity body 1
Both ends open is arranged, and cavity body 1 includes that shell of column 3 and cone section 4 are connected with each other, and the open-ended place of shell of column 3 is inserted with overflow pipe 2,
Overflow pipe 2 is symmetrically inserted in the open-ended place of cavity body 1 relative to the central axis of cavity body 1, is equipped in the opening side
Entrance structure 6, entrance structure 6 are formed with the smooth tangent curve of shell of column 3, and the open-ended place for boring section 4 is equipped with desilting mouth section 5.
Such as Fig. 2, the curve of above-mentioned entrance structure 6 include be located inside and outside 3 inlet of the shell of column and respectively with column
3 outer circle first circle tangent segmental arcs 7 of section and the second arc section 8, the first arc section 7 and 3 outer circle phase inscribe of shell of column, the first arc section
7 one end far from 3 outer circle of shell of column extend beyond entrance a distance, and its end is connected with tangent line.Second arc section 8 and shell of column
For 3 outer circles to circumscribed, the one end of the second arc section 8 far from 3 outer circle of shell of column is connected with third arc section 9, third arc section 9 and second
8 phase inscribe of arc section, and the diameter of third arc section 9 is equal with the outside diameter of shell of column 3,9 end of third arc section extends super
Entrance a distance, and its end is connected with tangent line.Above-mentioned third arc section 9, the second arc section 8 and the first arc section 7 are total
With access road is formed, it is connected with shell of column 3, no raised, step and mutation entrance structure 6 smooth and uniform to be formed is full
Foot energy consumption, abrasion, the requirement of stability.
Such as Fig. 2, the present invention also proposes 6 determination method for parameter of above-mentioned entrance structure, includes the following steps：
Step 1：Determine that the effective diameter of shell of column is d1, overflow pipe outside diameter is d2, shell of column and the common center of circle P of overflow pipe1
(x1, y1), with P1For the center of circle, respectively with d1、d2Circle D is drawn for diameter1、D2；
Step 2：With P2(x1-(d1-d2)/2, y1) it is the center of circle, with d3=(d1+(d1-d2)=2d1-d2) it is that diameter is drawn into mouth
Gabarit justifies D3, gabarit circle D3With D1It is P at the point of contact of X-axis positive direction3, in the present embodiment, point of contact P3In X-axis；
Step 3：With P1For the center of circle, with d4=(1+k) d1Auxiliary circle D is drawn for diameter4, wherein k is correction factor, is usually taken
1/20~1/30；
Step 4：With P2For the center of circle, with d1It is drawn into mouthful Inner exterior features for diameter and justifies D5, D5With D4It is P in Y-axis positive direction intersection point4；
Step 5：It draws through P4Point and simultaneously and D1、D5Tangent roundlet D6, to be smoothly connected D1With D5；
Step 6：Beyond D1Range, one section of tangent line of D3 and D5 is taken, in above-mentioned D1~D6And after tangent line paints, cut
Cut P3With D6Between D1Arc section shears P3With D3D between tangent line3Arc section, and shearing P4With D5D between tangent line5Circle
Segmental arc, to obtain entrance structure.The end of tangent line forms entrance, D3、D1、D6And D5Line and D2Between to form entrance logical
Road.The effective width of tangent line end inlet is always (d1-d2)/2, i.e., between hydrocyclone inner wall and overflow pipe outer wall
Spacing is identical, therefore from entrance to enter disengagement chamber smoother for slurry.
Entrance structure designed by the present invention is only related with the outer diameter of the effective diameter of hydrocyclone and overflow pipe, therefore
It is applicable to the hydrocyclone of all sizes, and in the curve of entrance structure, D3With D1Tangent, D1With D6It is tangent, D6With D5Phase
It cuts, constitutes the tangent design of curve, therefore uniform smooth, the requirement without protrusion, step and mutation can be met, be easy to add
Work, and hydrocyclone flow field can be made to stablize, to improve hydrocyclone separation accuracy, there is easy to process, applicability
The advantages such as wide, can give full play to the performance of hydrocyclone, improve separation accuracy.
Below by taking a diameter of 50mm of shell of column, overflow pipe outside diameter is the hydrocyclones of 34mm as an example, according to above-mentioned entrance knot
The determination method of structure makes corresponding entrance structure and its hydrocyclone, and wherein correction factor k takes 1/25, to illustrate this hair
Bright practical application effect.
Such as Fig. 3 to Fig. 5, compare the hydrocyclone of the entrance structure with the present invention with it is existing with tangent type or Ah
The flow field motion pattern of the hydrocyclone of base Mead spiral type entrance mechanism, the entrance knot of the present invention it can be seen from Fig. 3 to Fig. 5
Hydrocyclone main separation zone flow field motion pattern symmetry obtained by structure is substantially better than other two kinds of entrance structures, i.e., set by the present invention
The entrance structure of meter greatly enhances cyclone flowing field stability.
Such as Fig. 6, it is identical to mine pressure conditions under, it is pure to carry out quartz using the hydrocyclone with different entrance structures
Minerals separation is tested, test result such as Fig. 6, as seen from Figure 6, identical to the entrance institute that under mine pressure conditions, the present invention designs
It is significantly greater to obtain quartzy minal granularity distribution curve slope at apportionment ratio 50%, i.e., separative efficiency is high；The present invention is set simultaneously
It is included in partition size d50 minimums obtained by mouth, i.e. inlet minimal energy loss of the invention, more Energy dissipations to main separation
Separative efficiency is improved in area.
The present invention largely influences the stream of hydrocyclone by the determination method of entrance structure known to above-mentioned comparison
Field stability and entrance energy consumption, and flowing field stability can be improved in the entrance structure designed by the present invention, and entrance structure is smoothly equal
Even, no protrusion, step and mutation are easy to process and can meet energy consumption, abrasion, the requirement of stability, have a wide range of applications city
.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be appreciated by those skilled in the art that can technical scheme of the present invention be modified or be waited
With replacing, without departing from the objective and range of the technical program, should all cover in scope of the presently claimed invention.
Claims (2)
1. a kind of entrance structure determination method for parameter of hydrocyclone, the hydrocyclone, including：Cavity body, it is described
The both ends open of cavity body is arranged, and the cavity body includes that shell of column and cone section are connected with each other, and the open-ended place of the shell of column inserts
Equipped with overflow pipe, it is equipped with entrance structure in the opening side, the open-ended place of the cone section is equipped with desilting mouth section, the entrance
Structure formed with the smooth tangent curve of the shell of column, the curve include positioned at shell of column inlet both sides, respectively with institute
State shell of column outer circle first circle tangent segmental arc and the second arc section, first arc section extend beyond one section of the entrance away from
Be connected with third arc section from, the one end of second arc section far from the shell of column outer circle, the third arc section with it is described
Second arc section is tangent, and third arc section end extends beyond described entrance a distance, the third arc section, described
Access road is collectively formed in second arc section and first arc section, is connected with the shell of column, which is characterized in that including：
Step 1：Determine that the effective diameter of the shell of column is d1, overflow pipe outside diameter is d2, and the shell of column and the overflow pipe are total
Same center of circle P1 (x1, y1) draws circle D1, D2 by diameter of d1, d2 respectively using P1 as the center of circle；
Step 2：It is that diameter is drawn into mouth with d3=(d1+ (d1-d2)=2d1-d2) with P2 (x1- (d1-d2)/2, y1) for the center of circle
Gabarit justifies D3；
Step 3：It is that diameter draws auxiliary circle D4 using d4=(1+k) d1 using P1 as the center of circle, wherein k is correction factor, take 1/20~
1/30；
Step 4：Using P2 as the center of circle, wide circle D5, D5 and D4 are drawn into mouth in Y-axis positive direction intersection point as P4 by diameter of d1；
Step 5：Roundlet D6 through P4 points and tangent with D1, D5 simultaneously is drawn, to be smoothly connected D1 and D5；
Step 6：In the range beyond D1, one section of tangent line of D3 and D5, the end of tangent line is taken to form entrance, D3, D1, D6 and D5
Line and D2 between form access road, the entrance structure is collectively formed.
2. the entrance structure determination method for parameter of hydrocyclone according to claim 1, it is characterised in that：D3 and D1
It is P3 at the point of contact of X-axis positive direction, shears the D1 arc sections between P3 and D6, shear the D3 arc sections between P3 and D3 tangent lines,
The D5 arc sections between P4 and D5 tangent lines are sheared, the entrance structure is obtained.
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| CN201610900385.6A CN106493004B (en) | 2016-11-28 | 2016-11-28 | A kind of hydrocyclone and its entrance structure determination method for parameter |
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| CN113806882B (en) * | 2021-08-23 | 2023-12-15 | 鞍钢集团矿业有限公司 | Determination method of multichannel partition plate of hydrocyclone feeder |
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| GB535886A (en) * | 1940-06-28 | 1941-04-24 | Buell Comb Company Ltd | Improvements in cyclone dust separators |
| JPS5524568A (en) * | 1978-08-11 | 1980-02-21 | Mitsubishi Heavy Ind Ltd | Steam-drain separator |
| CN86100916A (en) * | 1985-01-22 | 1986-10-08 | 诺尔·卡罗尔 | Cyclone separator |
| CN2279959Y (en) * | 1996-11-15 | 1998-04-29 | 山西铝厂 | Cyclone |
| CN2411060Y (en) * | 2000-02-29 | 2000-12-20 | 中国科学院工程热物理研究所 | Cyclone separator for high-temp recirculating fluidized bed |
| CN2507566Y (en) * | 2001-09-05 | 2002-08-28 | 郭长岭 | Separator |
| CL2003001757A1 (en) * | 2003-08-29 | 2005-01-21 | Vulco Sa | INPUT HEAD FOR HYDROCICLON, IN WHICH THE HEIGHT OF THE VORTICE SEARCH, IS A FRACTION OF THE HEIGHT OF THE POWER INPUT, WHICH IS RECTANGULAR, WHERE SUCH ENTRY HAS A FIRST SECTOR FORMING A HORIZONTAL VOLUTE, AND A SEQUENCE |
| CN201002058Y (en) * | 2007-01-12 | 2008-01-09 | 徐州市瑞达橡塑制品有限公司 | Mining slurry grading swirler |
| CN101367064A (en) * | 2008-09-26 | 2009-02-18 | 中国恩菲工程技术有限公司 | Cyclonic collector |
| CN103240189B (en) * | 2012-02-13 | 2015-11-25 | 王万强 | The feeding-passage of cyclone and there is the cyclone of this feeding-passage |
| CN204933752U (en) * | 2015-09-25 | 2016-01-06 | 潍坊华美精细技术陶瓷股份有限公司 | Reaction sintering silicon carbide ceramic spiral bushing |
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