CN2274987Y - Three way mixed flow centrifugal coarse powder separator - Google Patents
Three way mixed flow centrifugal coarse powder separator Download PDFInfo
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- CN2274987Y CN2274987Y CN 97201528 CN97201528U CN2274987Y CN 2274987 Y CN2274987 Y CN 2274987Y CN 97201528 CN97201528 CN 97201528 CN 97201528 U CN97201528 U CN 97201528U CN 2274987 Y CN2274987 Y CN 2274987Y
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Abstract
The utility model discloses a three way mixed flow centrifugal coarse powder separator. The ratio of the height of an outer barrel body (7) and the height of an outer cone (14) is between 1: 1.0 and 1: 1.2, and the cone angles of the outer cone (14), a cone (13) and an inner cone (4) are between 13 DEG and 17 DEG. In the meantime, a straw hat-shaped upper balance body (II) is added near the outlet of a second channel to shorten the distance between a diversion cone (11) and a top cover (10), and increase the angle (I) between the top cover (10) and the outer barrel body (7); a choked flow steps (III, III') and a driving regulating vane (6) are added on a fluid expansion segment to make the bundling regulation. The improved product can save material by about 20%, and saves the power by 10% right and left; the separation efficiency is bigger than 80%, and the circulation rate is smaller than 1.6.
Description
The utility model relates to a kind of mill separator, particularly, relates to the satisfied triple channel mixed flow type centrifugal rough powders separator to working media granularity and quantity specific requirement of industries such as electric power, metallurgy, cement, chemical industry.
Existing centrifugal rough powders separator comprises be sleeved on each other together three awl tubes (being inner conical-tube, middle conical tube and external conical-tube), and statocone is housed below inner conical-tube, thus in constituting, in, outer three passages.In addition, inner conical-tube is made up of inner cone and inner barrel, and middle conical tube is made up of middle cone and middle cylinder body, external conical-tube is made up of Outer Taper and outer cylinder body, and by a top seal firmly, and some explosion proof doors and a separator outlet are housed on top cover, some manhole doors are housed on outer cylinder body and the Outer Taper.In, in, support by gripper shoe respectively between outer three awl tubes, and between middle cylinder body and outer cylinder body, evenly distribute and install 26-38 and adjust blade, air inlet pipe is installed under the separator bottom, powder retrieving pipe then is installed in outside it.
Yet there is the major defect of following five aspects in existing centrifugal rough powders separator:
One, the height of outer cylinder body is about 1: 2 with the ratio of the height of Outer Taper, and the cone angle of Outer Taper, middle cone and inner cone (be its cone-apex angle half) is about 20 °, the structure of Zu Chenging therefrom, its space availability ratio is low, thereby make it bulky, Heavy Weight, and directly have influence on its inefficiency.
Secondly, the center of internal channel there is no statocone, and the disclosed mill separator of CN1071103A, and it isolates awl (9) is to be supported on inner barrel 6 tops by the gripper shoe 21 that is welded on cylindrical shell 6 inwalls, and it is the round platform tubular, is helpless to reduce the eddy flow eddy centre negative pressure at internal channel center.And because the suction function of eddy flow eddy centre, near the dynamic balancing condition in will destroying the channel outlet, thus cause near the falling of the release mesh medium outlet and the power consumption of system is increased.
The 3rd, existing mill separator, the space of its mixed flow section is huge, thereby three passages are reduced in the mixed flow effect at its outlet position, and resistance strengthens.And becoming 90 ° of angles of cut between its top cover and the outer cylinder body inwall, easily produce unstable eddy current and medium is accumulated, is coal dust as medium, can cause self-firing and self-explosion greatly because of burden when then the time is long.
The 4th, existing mill separator, there is no the choked flow rank on the outer cylinder body inwall of its dilatation section, and the weir, separation rank that on the inwall of its Outer Taper, installs additional, its planform is unfavorable for improving separative efficiency, so that the medium of a certain amount of release mesh that contains in the falling medium, directly do not fall into powder retrieving pipe and enter milling apparatus owing to be subjected to the choked flow effect, thereby cause the waste of power.
The 5th, existing mill separator, it all adjusts blades, and deflection angle adjusts for the manual draw bar by separately carries out separately, waste time and energy when not only adjusting one by one, and owing to be difficult to make all deflection angle unanimities, so its swirl strength is inconsistent, thereby causes outer tunnel top aerodynamic field imbalance, and then separative efficiency is reduced.
Therefore, the purpose of this utility model is to provide a kind of triple channel mixed flow type mill separator, improves its space availability ratio by changing its general structure, thereby when reducing its volume and weight, improves its efficient greatly.
Another purpose of the present utility model is to provide a kind of mill separator, near in keeping by the suction function that reduces internal channel center eddy flow eddy centre the channel outlet dynamic balancing condition, avoid causing near the medium of the release mesh of outlet to fall after rise, thereby power consumption is reduced.
The 3rd purpose of the present utility model is to provide a kind of mill separator, by compressing its mixed flow section space the mixed flow effect at triple channel outlet position strengthened; Reduce its equipment resistance; By strengthening the angle of cut between its top cover and outer cylinder body inwall, when strengthening its mixed flow intensity, avoid producing unsettled eddy current, thereby eliminate accumulating of medium.
The 4th purpose of the present utility model is to provide a kind of mill separator, makes and falls medium after rise and separate by increase the choked flow effect in the dilatation section, and make wherein that the medium of release mesh no longer falls into powder retrieving pipe and enters milling apparatus, and be energy-conservation to realize.
The 5th purpose of the present utility model is to provide a kind of mill separator, regulates the consistent aerodynamic field balance that makes outer tunnel top by the swirl strength of each being adjusted blade, thereby improves its separative efficiency.
Above-mentioned purpose of the present utility model, realize by following means:
At first, according to mill separator of the present utility model, the ratio of the height of its outer cylinder body and the height of Outer Taper is increased between 1: 1.0 to 1: 1.2, and the cone angle of Outer Taper, middle cone and inner cone (be its cone-apex angle half) is processed as between 13 ° to 17 °.Its effect is that its space availability ratio is improved greatly than existing separator, thereby when reducing its volume and weight, improves its operating efficiency.
Secondly, according to mill separator of the present utility model, install additional near the outlet of its second channel straw hat shape on balanced body, its cone-apex angle is greater than 120 °, be suspended on the top cover by connecting rod, its suspention highly is adjustable, can adjust according to the granularity requirements of dust.Its effect is the falling of the negative pressure reduction of internal channel center eddy flow eddy centre being avoided qualified dust, realizes energy-conservation.
The 3rd, according to mill separator of the present utility model, the distance between its guiding cone and the top cover shortens than the respective distance of existing mill separator, and the angle of cut between its top cover and outer cylinder body inwall is greater than 90 ° and less than 99 °.Consequently the space of mixed flow section is dwindled and makes the mixed flow effect reinforcement at three channel outlet positions, resistance reduces, and avoids producing unsettled eddy current, and can avoid medium to accumulate and self-firing and self-explosion at its top.
The 4th, according to mill separator of the present utility model, install the choked flow rank additional at the inwall upper edge periphery of the outer cylinder body of its dilatation section, its section configuration is shape with a tight waist, and the length on bar limit is lacked than the length on following bar limit it on; Simultaneously install the choked flow rank additional at the inwall upper edge of its Outer Taper periphery, its section configuration is similarly shape with a tight waist, but length on bar limit is longer than the length on following bar limit on it.This choked flow rank that on the dilatation section, install additional, under its changed course and undergauge effect, by the air-flow that rises to the medium that falls after rise again row separate so that the medium of its release mesh is no longer to the powder retrieving pipe falling with enter milling apparatus, so can realize energy-conservation.
At last, according to mill separator of the present utility model, all of along the circumferential direction installing between cylindrical shell and the outer cylinder body are adjusted blade therein, all link by a transmission mechanism and a ring-type pull bar, and pull bar drives it and makes the boundling angle adjustment thus, so that its anglec of rotation and direction be consistent, thereby guarantee that its swirl strength is identical and provide balanced aerodynamic field, the separative efficiency of separator is improved on the top of outer tunnel.
According to above-mentioned mill separator of the present utility model, when it uses, the medium of the powdery form that mixes with windstream, to enter by air inlet pipe along pipe-line system, portion is through bump, dilatation, effect such as centrifugal within it, provide the oneself to separate by the rightabout effect of gravity and air-flow, make undesirable medium separate and falling, thereby guarantee release mesh requirement the powdery medium than coarsegrain.Make mill separator of the present utility model therefrom, its separative efficiency is greater than 80%,, circulating ratio＜1.6.Moreover, mill separator of the present utility model can provide about 20% conservation of raw material, can economize on electricity about 10% under the identical working condition, and the pressure that can alleviate building structure does not have the stable operation of the ground of adjustment with realizing, and the scope of application of product is big, a kind of new technology that has much application value of can yet be regarded as.
Above-mentioned purpose of the present utility model, structure and advantage that is provided and effect will become clearer by the specific embodiment of setting forth below in conjunction with accompanying drawing.Yet the utility model is not limited thereto embodiment, and is the content that practical structures that it discloses and claims are limited, wherein,
Fig. 1 is the bi-axial, parallel and centrifugal rough powders separator structure chart with the immediate prior art of the utility model;
Fig. 2 is a triple channel mixed flow type centrifugal rough powders separator structure chart of the present utility model;
Fig. 3 goes up the balanced body structure chart for be installed near the straw hat shape of second channel outlet according to the utility model;
Fig. 4 is the choked flow rank schematic diagram that is installed on dilatation section outer cylinder body and the Outer Taper inwall, and
Fig. 5 is the structural representation of the boundling guiding mechanism adjusting blade and use.
Referring to Fig. 1, the centrifugal rough powders separator of this prior art comprises the inner conical-tube of being made up of inner cone 4 and inner barrel 5, the middle conical tube of forming by middle cone 13 and middle cylinder body 12, external conical-tube by Outer Taper 14 and outer cylinder body 7 are formed is sleeved on together each other, supports mutually by gripper shoe 18.Statocone 3 is lifted on the lower ending opening place of inner cone 4, thus in forming, in, outer three passages.Outer cylinder body 7 is sealed by a top cover 10, and some explosion proof doors 9 are housed on top cover 10, and some manhole doors 19 are housed on outer cylinder body 7 and the Outer Taper 14, and 8 of the outlets of separator are contained on this top cover 10.Evenly distributing between middle cylinder body 12 and the outer cylinder body 7 is equipped with 26-38 and adjusts blade 6, air inlet pipe 2 be installed in this separator bottom under, 1 of powder retrieving pipe is installed in outside it.The guiding cone 11 of reducing shape is housed above middle cylinder body 12 in addition.
As shown in the figure, the height of outer cylinder body 7 is 1: 2 with the ratio of the height of Outer Taper 14, and the cone angle of Outer Taper 14, middle cone 13 and inner cone 4 is 20 °.Its structure is high and elongated, so bulky, Heavy Weight and space availability ratio is low.Secondly, the center of internal channel there is no statocone among Fig. 1, so because the suction function of eddy flow eddy centre, near the dynamic balancing condition in this channel outlet can't guarantee, thereby near the medium of the release mesh this outlet is fallen after rise downwards, the energy consumption of system is strengthened.In addition, the mixed flow section space of existing structure is huge and the mixed flow effect is low, and between its top cover 10 and outer cylinder body 7 inwalls at an angle of 90, accumulate medium easily and cause self-firing and self-explosion.Moreover, there is no the choked flow rank on the inwall of the outer cylinder body 7 of its dilatation section of separator among Fig. 1, quilt will be sent to grinding again so the medium that it falls a certain amount of release mesh that comprises in the medium after rise will directly fall into powder retrieving pipe 1 owing to not being subjected to the choked flow effect, thereby can bring power waste.At last, as shown in Figure 1, all adjustment blades 6 are all regulated separately by manual draw bar (not shown) separately, thus its waste time and energy, be difficult to accomplish in full accord, thereby can have influence on the aerodynamic field balance and separative efficiency is reduced.
Referring to Fig. 2, the height of its outer cylinder body 7 is 1: 1 with the ratio of the height of Outer Taper 14, and the cone angle of Outer Taper 14, middle cone 13 and inner cone 4 is 15 °.Can infer, the mill separator of structure like this, not only height and center of gravity reduce greatly, weight saving, and also space availability ratio improves greatly.
Mill separator of the present utility model as shown in Figure 2, the exit of its second channel be equipped with straw hat shape on balanced body II, its concrete shape as shown in Figure 3, its cone-apex angle is 125 °, system is suspended in it on top cover 10 by three connecting rods 15, and the adjustable length of connecting rod 15.Referring to Fig. 3, the last balanced body II of this straw hat shape, its drift angle are 125 °, and the top is processed with the through hole 20 of three suspention usefulness, for the usefulness that connects connecting rod 15.It is installed on the exit of second channel, can make the negative pressure reduction of eddy flow eddy centre and the dynamic balancing condition in this exit is kept, and the medium that hinders release mesh falls after rise downwards.
Referring to Fig. 2,, just make the distance shortening of 10 of itself and top covers, thereby the mixed flow space is reduced by guiding cone 11 is improved together with the position of middle cylinder body 12 and middle cone 13.And top cover 10 is processed to taper, and the angle between itself and outer cylinder body 7 inwalls is 93 °, so when strengthening the mixed flow effect, medium can not accumulated.
As shown in Figure 2, the utility model embodiment is equipped with choked flow rank III at the inwall upper edge of the outer cylinder body 7 of its dilatation section periphery, and it is shaped as shape with a tight waist, and as shown in Figure 4, and its length of side A is less than length of side B.Simultaneously add choked flow rank III ' at the inwall upper edge of Outer Taper 14 periphery, its shape is all shape with a tight waist, but its length of side A is greater than length of side B.Improved structure like this will make falls the medium of the release mesh that comprises in the medium after rise, because of be subjected to the choked flow effect by the air-flow that rises with its row separation again, avoid falling into powder retrieving pipe 1 and reenter milling apparatus, give security for energy-conservation.
Referring to Fig. 5, the mill separator of present embodiment, it is installed in all the adjustment blades 6 between middle cylinder body 12 and the outer cylinder body 7, equal transmission mechanisms 16 by separately, 17,21 and one ring-type pull bar V links, and drives it around the rotating shaft OO ' rotation of self and by pointer 22 and scale 23 its corners of demonstration by this pull bar V.The boundling adjustment of whole adjustment blades 6 of realizing of mechanism thus, under the prerequisite that keeps its corner unanimity, the swirl strength that can guarantee to provide identical and balanced aerodynamic field is provided on outer tunnel top, thereby the separative efficiency of this separator is improved.
In sum, the mill separator of present embodiment owing to carried out as above five significant improvement, so its separative efficiency has had large increase, and can realize conservation of raw material and energy-conservation, and can alleviate pressure and raising space availability ratio to building structure.
Claims (14)
1. triple channel mixed flow centrifugal rough powders separator, comprise the first passage that is formed between statocone (3) and inner cone (4) and the inner barrel (5), be formed on the second channel between inner cone (4) and inner barrel (5) and middle cone (13) and the middle cylinder body (12), and be formed on the third channel between middle cone (13) and middle cylinder body (12) and Outer Taper (14) and the outer cylinder body (7); And a series of adjustment blades (6) are installed between middle cylinder body (12) and outer cylinder body (7), seal the top mouth and provide outlet by top cover (10) by outlet (8), it is characterized in that: the ratio of the height of the height of outer cylinder body (7) and Outer Taper (14) between 1: 1.0 to 1: 1.2, and the cone angle of Outer Taper (14), middle cone (13) and inner cone (4) be its cone-apex angle half between 13 ° to 17 °.
2. according to the mill separator of claim 1, it is characterized in that: the last balanced body (II) of straw hat shape is housed near the outlet of second channel, and its cone-apex angle is suspended on the top cover (10) by connecting rod (15) greater than 120 °.
3. according to the mill separator of claim 1, it is characterized in that: shorten the distance between guiding cone (11) and the top cover (10), to compress the space size of mixed flow section on the structure internally; And make angle (I) between top cover (10) and outer cylinder body (7) inwall greater than 90 ° and less than 99 °.
4. according to the mill separator of claim 1, it is characterized in that: the inwall upper edge periphery at the outer cylinder body (7) of dilatation section installs choked flow rank (III) additional, and its length of side A is less than length of side B; Simultaneously install choked flow rank (III ') additional, and its length of side A is greater than length of side B at the inwall upper edge of Outer Taper (14) periphery.
5. according to the mill separator of claim 1, it is characterized in that: all that are installed between middle cylinder body (12) and the outer cylinder body (7) are adjusted blade (6), all drive boundling by ring-type pull bar (V) and adjust angle.
6. according to the mill separator of claim 2, it is characterized in that: shorten the distance between guiding cone (11) and the top cover (10), to compress the space size of mixed flow section on the structure internally; And make angle (I) between top cover (10) and the outer cylinder body (7) greater than 90 ° and less than 99 °.
7. according to the mill separator of claim 2, it is characterized in that: the inwall upper edge periphery at the outer cylinder body (7) of dilatation section installs choked flow rank (III) additional, and its length of side A is less than length of side B; Simultaneously install choked flow rank (III ') additional, and its length of side A is greater than length of side B at the inwall upper edge of Outer Taper (14) periphery.
8. according to the mill separator of claim 2, it is characterized in that: all that are installed between middle cylinder body (12) and the outer cylinder body (7) are adjusted blade (6), drive boundling by ring-type pull bar (V) and adjust angle.
9. according to the mill separator of claim 3, it is characterized in that: the inwall upper edge periphery at the outer cylinder body (7) of dilatation section installs choked flow rank (III) additional, and its length of side A is less than length of side B; Simultaneously install choked flow rank (III ') additional, and its length of side A is greater than length of side B at the inwall upper edge of Outer Taper (14) periphery.
10. according to the mill separator of claim 3, it is characterized in that: all that are installed between middle cylinder body (12) and the outer cylinder body (7) are adjusted blade (6), all drive boundling by ring-type pull bar (V) and adjust angle.
11. the mill separator according to claim 4 is characterized in that: all that are installed between middle cylinder body (12) and the outer cylinder body (7) are adjusted blade (6), all drive boundling by ring-type pull bar (V) and adjust angle.
12. the mill separator according to claim 6 is characterized in that: the inwall upper edge periphery at the outer cylinder body (7) of dilatation section installs choked flow rank (III) additional, and its length of side A is less than length of side B; Simultaneously install choked flow rank (III ') additional, and its length of side A is greater than length of side B at the inwall upper edge of Outer Taper (14) periphery.
13. the mill separator according to claim 6 is characterized in that: all that are installed between middle cylinder body (12) and the outer cylinder body (7) are adjusted blade (6), all drive boundling by ring-type pull bar (V) and adjust angle.
14. the mill separator according to claim 12 is characterized in that: all that are installed between middle cylinder body (12) and the outer cylinder body (7) are adjusted blade (6), all drive boundling by ring-type pull bar (V) and adjust angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201528 CN2274987Y (en) | 1997-02-28 | 1997-02-28 | Three way mixed flow centrifugal coarse powder separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201528 CN2274987Y (en) | 1997-02-28 | 1997-02-28 | Three way mixed flow centrifugal coarse powder separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2274987Y true CN2274987Y (en) | 1998-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97201528 Expired - Fee Related CN2274987Y (en) | 1997-02-28 | 1997-02-28 | Three way mixed flow centrifugal coarse powder separator |
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| Country | Link |
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| CN (1) | CN2274987Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103648656A (en) * | 2011-05-05 | 2014-03-19 | 奥维沃卢森堡公司 | Flow deflecting member for hydrocyclone |
| CN103846126A (en) * | 2012-11-30 | 2014-06-11 | 黄立娜 | Highly-efficient tandem biaxial dynamic sorting and recovery powder milling apparatus with automatically regulated baffle plates |
| CN104084321A (en) * | 2014-06-24 | 2014-10-08 | 中国神华能源股份有限公司 | Cyclone dust extractor |
| CN105521877A (en) * | 2014-10-23 | 2016-04-27 | 上海意丰机电科技开发有限公司 | Adjustable cyclone separator |
-
1997
- 1997-02-28 CN CN 97201528 patent/CN2274987Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103648656A (en) * | 2011-05-05 | 2014-03-19 | 奥维沃卢森堡公司 | Flow deflecting member for hydrocyclone |
| CN103846126A (en) * | 2012-11-30 | 2014-06-11 | 黄立娜 | Highly-efficient tandem biaxial dynamic sorting and recovery powder milling apparatus with automatically regulated baffle plates |
| CN103846126B (en) * | 2012-11-30 | 2016-03-30 | 黄立娜 | Plate washer automatically regulates efficient series connection biaxially dynamically sorting, returns powder milling device |
| CN104084321A (en) * | 2014-06-24 | 2014-10-08 | 中国神华能源股份有限公司 | Cyclone dust extractor |
| CN105521877A (en) * | 2014-10-23 | 2016-04-27 | 上海意丰机电科技开发有限公司 | Adjustable cyclone separator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |