CN203750714U - Three-product dense medium cyclone capable of carrying out online adjustment on two-stage separation density - Google Patents
Three-product dense medium cyclone capable of carrying out online adjustment on two-stage separation density Download PDFInfo
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- CN203750714U CN203750714U CN201420173149.5U CN201420173149U CN203750714U CN 203750714 U CN203750714 U CN 203750714U CN 201420173149 U CN201420173149 U CN 201420173149U CN 203750714 U CN203750714 U CN 203750714U
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Abstract
The utility model discloses a three-product dense medium cyclone capable of carrying out online adjustment on two-stage separation density and belongs to the technical field of dense medium cyclones, and the three-product dense medium cyclone is used for carrying out online adjustment on the two-stage separation density of a three-product dense medium cyclone. The technical scheme of the three-product dense medium cyclone is as follows: a one-stage cyclone and a two-stage cyclone are connected in series by virtue of a connecting tube, the connecting tube or a two-stage guide cylinder is provided with a feed inlet, and the inserting length of a two-stage central overflow tube can be significantly adjusted. According to the utility model, through adjusting the pressure of the feed inlet and the medium density of fed materials or adjusting the inserting tube of the two-stage central overflow tube, the online adjustment on two-stage separation density in the separation process of the three-product dense medium cyclone is implemented, thereby breaking through a current situation that currently, structure parameter components such as an overflow tube and a bottom runner just can be manually replaced after production halts. According to the utility model, a technical problem that the online adjustment on the two-stage separation density of the three-product dense medium cyclone is not effectively solved all the time over the years is solved, and the adaptability of the three-product dense medium cyclone is greatly improved.
Description
Technical field
The utility model relates to a kind of two sections of three products heavy medium cyclones that separating density can be adjusted online, belongs to heavy medium cyclone equipment technical field.
Background technology
At present, in Oversized Coking Coal Cleaning Plant, most enterprises adopt taking three products heavy medium cyclone as main coal preparation technique of washing equipment, along with improving constantly of the market demand, requirement to product index is more and more higher, in actual mechanical process, also there are some problems in three products heavy medium cyclone:
1) one section of Algorithm of Density Control of three products heavy medium cyclone and method of adjustment comparatively perfect, just can realize the change of separating density by improving or reduce qualified medium density of suspending liquid, control essence pit ash that can be more satisfactory, two sections of Algorithm of Density Control are adjusted problem the more, be not easy to realize, when adjustment, need to stop production, change Er Duan center overflow pipe or underflow opening, the continuity that has a strong impact on production, affects economic benefit;
2) in current prior art, only have pressureless fed three-product dense-medium cyclone Er Duan center overflow pipe insertion depth to regulate among a small circle, but DeGrain, the effect reaching only can make two sections of separating densities at ± 0.03g/cm
3between change, when separating density require ± 0.05 g/cm
3when even wider variation, prior art cannot satisfy the demands;
3) more difficultly, in the time that ature of coal fluctuates, midale coal ash cannot obtain the control of tool cost performance, and to coal preparation plant, or loss is large, or cannot meet the demand of client to product ash content.
Based on above all practical problems, cause in current coal preparation plant running, product quality fluctuation is large, and particularly middle ature of coal amount is uncontrollable, has brought huge economic loss to coal preparation plant, under the coal situation of current sternness, seems especially outstanding.While there are the problems referred to above, need technical professional according to actual conditions at that time, carry out a large amount of tests, and its technological parameter and structural parameters are optimized to setting, again the parts such as processing and fabricating overflow pipe, underflow opening, the better effect of guarantee, adjustment cycle is long, and in the time of ature of coal variation or product demand variation, makes site operation personnel be difficult to adjust and solve.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of three products heavy medium cyclone that can adjust online two sections of separating densities, this cyclone can be easy to realize the online adjustment of two sections of separating densities under prior art condition, for improving the quality of products, improve the efficiency of separation, reduce labor strength, realize coal preparation plant and produce and have great importance continuously.
The technical scheme solving the problems of the technologies described above is:
A kind of three products heavy medium cyclone that can adjust online two sections of separating densities, it comprises one section of cyclone and two sections of cyclones, one section of cyclone and two sections of cyclones are connected in series by tube connector, its improvements are, on tube connector or on two sections of guide cylinders, offer a feeding mouth, the adjusting range of Er Duan center overflow pipe insertion depth is 0.3L≤n≤2.0 L, L=0.5 ~ 1.2D, wherein L is two sections of cyclone cylindrical section effective lengths, and D is two sections of cyclone diameters.
The above-mentioned three products heavy medium cyclone that can adjust online two sections of separating densities, the feeding mouth diameter of offering on described two sections of guide cylinders is 0.01-0.1D, D is two sections of cyclone diameters, the angle of the feeding mouth of offering and two sections of guide cylinder entrances is 0 ° of < α <360 °, the distance m of two sections of guide cylinder center line of suction and feeding mouth center line is 0 ~ 0.5L, L=0.5 ~ 1.2D, wherein L is two sections of guide cylinder effective lengths, and after two sections of guide cylinder entrances enter two sections of cyclones with the material of feeding mouth, liquid stream direction of rotation is consistent.
The above-mentioned three products heavy medium cyclone that can adjust online two sections of separating densities, the feeding mouth diameter of offering on described tube connector is 0.01-0.1D, and D is two sections of cyclone diameters, and the angle of feeding mouth and tube connector is 0 ° of < β≤90 °.
Usefulness of the present utility model is:
The utility model in process of production, can change and the index request of middle coal, spoil product according to ature of coal fluctuation, pressure by adjusted design feeding mouth or the insertion depth that feeds thing Media density or adjust Er Duan center overflow pipe are realized the on-line control of two sections of separating densities in three products heavy medium cyclone assorting room, have broken two sections of separating densities in the three products heavy medium cyclone assorting room of current extensive use and can only rely on the artificial present situation of changing the structural parameters parts such as overflow pipe and underflow opening that stops production.
The utility model has solved the technical barrier that does not always obtain for many years the online adjustment of two sections of separating densities of three products heavy medium cyclone effectively solving, and has greatly improved the adaptability of three products heavy medium cyclone.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation that two sections of guide cylinders are offered feeding mouth;
Fig. 3 is the structural representation that tube connector is offered feeding mouth;
Fig. 4 Wei Erduan center overflow pipe insertion depth schematic diagram.
In figure, mark is as follows: one section of cyclone 1, two sections of cyclones 2, tube connector 3, two sections of guide cylinders 4, feeding mouth 5, one section of cyclone material inlet 6, cleaned coal outlet 7, middle coal export 8, spoil outlet 9, two sections of guide cylinder entrances 10, Er Duan center overflow pipe 11.
Detailed description of the invention
The utility model is made up of one section of cyclone 1, two sections of cyclones 2, tube connectors 3, and one section of cyclone 1 and two sections of cyclones 2 are connected in series by tube connector 3.
In figure, show, improvements of the present utility model are, offer a feeding mouth 5 on tube connector 3 or on two sections of guide cylinders 4, and Er Duan center overflow pipe 11 insertion depths can be realized large-scale adjustment.
In figure, show, the diameter of the feeding mouth 5 of offering on two sections of guide cylinders 4 is 0.01-0.1D, wherein D is the diameter of two sections of cyclones 2, the angle of the feeding mouth 5 of offering and two sections of guide cylinder 4 entrances is 0 ° of < α <360 °, the distance m of two sections of guide cylinder entrance 10 center lines and feeding mouth 5 center lines is 0 ~ 0.5L, L=0.5 ~ 1.2D, wherein L is two sections of guide cylinder effective lengths, and after two sections of guide cylinder entrances 10 enter two sections of cyclones with the material of feeding mouth 5, liquid stream direction of rotation is consistent.
In figure, show, the diameter of the feeding mouth 5 of offering on tube connector 3 is 0.01-0.1D, and wherein D is the diameter of two sections of cyclones 2, and feeding mouth 5 is 0 ° of < β≤90 ° with the angle of tube connector 3.
In figure, show, Er Duan center overflow pipe 11 insertion depths can be realized on a large scale and adjusting, concrete adjusting range 0.3L≤n≤2.0 L, wherein L is two sections of cyclones, 2 cylindrical section effective lengths, L=(0.5 ~ 1.2) D.
Taking pressurized feeding three products heavy medium cyclone as example, the course of work of the present utility model is as follows: heavy-media suspension and former coal mixtures are fed by the edge of one section of cyclone 1 with certain speed by one section of cyclone material inlet 6.Raw coal in the cylindrical shell of one section of cyclone 1 after sorting, part suspension is discharged cyclone with cleaned coal by cleaned coal outlet 7, heavy product and the high density heavy-media suspension tube connector 3 after concentrated enter in the cylindrical shell of two sections of cyclones 2 and carry out sorting, in middle coal warp after sorting, coal export 8 is discharged cyclone, spoil is discharged cyclone through spoil outlet 9, completes raw coal separation operation.In assorting room, can be according to the requirement of centering product of coal, rationally adjust the insertion depth of offering the pressure of feeding mouth 5 or Media density, Huo Erduan center overflow pipe 11, realize adjusting online of two sections of cyclone 2 separating densities on a large scale.
Claims (3)
1. can adjust online the three products heavy medium cyclone of two sections of separating densities for one kind, it comprises one section of cyclone (1) and two sections of cyclones (2), one section of cyclone (1) and two sections of cyclones (2) are connected in series by tube connector (3), it is characterized in that: above or on two sections of guide cylinders (4) offer a feeding mouth (5) at tube connector (3), the adjusting range of Er Duan center overflow pipe (11) insertion depth is 0.3L≤n≤2.0 L, L=0.5 ~ 1.2D, wherein L is two sections of cyclones (2) cylindrical section effective lengths, and D is two sections of cyclone diameters.
2. the three products heavy medium cyclone that can adjust online two sections of separating densities according to claim 1, it is characterized in that: the feeding mouth diameter of offering on described two sections of guide cylinders (4) is 0.01-0.1D, D is two sections of cyclone diameters, the feeding mouth (5) of offering is 0 ° of < α <360 ° with the angle of two sections of guide cylinder entrances (10), the distance m of two sections of guide cylinder entrance (10) center lines and feeding mouth (5) center line is 0 ~ 0.5L, L=0.5 ~ 1.2D, wherein L is two sections of guide cylinders (4) effective lengths, after two sections of guide cylinder entrances (10) enter two sections of cyclones (2) with the material of feeding mouth (5), liquid stream direction of rotation is consistent.
3. the three products heavy medium cyclone that can adjust online two sections of separating densities according to claim 1, it is characterized in that: the feeding mouth diameter of offering on described tube connector (3) is 0.01-0.1D, D is two sections of cyclone diameters, and feeding mouth (5) is 0 ° of < β≤90 ° with the angle of tube connector (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173149.5U CN203750714U (en) | 2014-04-11 | 2014-04-11 | Three-product dense medium cyclone capable of carrying out online adjustment on two-stage separation density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173149.5U CN203750714U (en) | 2014-04-11 | 2014-04-11 | Three-product dense medium cyclone capable of carrying out online adjustment on two-stage separation density |
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| Publication Number | Publication Date |
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| CN203750714U true CN203750714U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420173149.5U Expired - Fee Related CN203750714U (en) | 2014-04-11 | 2014-04-11 | Three-product dense medium cyclone capable of carrying out online adjustment on two-stage separation density |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080737A (en) * | 2015-10-09 | 2015-11-25 | 北京柯林柯矿业科技有限公司 | Three-product dense medium cyclone |
| CN106269315A (en) * | 2016-08-12 | 2017-01-04 | 华东理工大学 | Inlet particle sequence type cyclone |
| CN107020205A (en) * | 2017-05-15 | 2017-08-08 | 山东科技大学 | Concentration two sections of cyclones of sorting |
| CN108722692A (en) * | 2018-07-17 | 2018-11-02 | 威海市海王旋流器有限公司 | The three products heavy medium cyclone of two sections of separating densities is adjusted using secondary media pipe |
| CN112058479A (en) * | 2020-09-03 | 2020-12-11 | 中国矿业大学 | Two-section separation density regulating device and method for three-product heavy medium cyclone |
| CN113304877A (en) * | 2021-05-28 | 2021-08-27 | 中煤(天津)地下工程智能研究院有限公司 | Three-product dense medium cyclone two-section separation density and pressure online regulation and control method |
| CN115889005A (en) * | 2023-03-09 | 2023-04-04 | 天津美腾科技股份有限公司 | Non-pressure three-product heavy medium cyclone and regulation and control method thereof |
-
2014
- 2014-04-11 CN CN201420173149.5U patent/CN203750714U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080737A (en) * | 2015-10-09 | 2015-11-25 | 北京柯林柯矿业科技有限公司 | Three-product dense medium cyclone |
| CN106269315A (en) * | 2016-08-12 | 2017-01-04 | 华东理工大学 | Inlet particle sequence type cyclone |
| CN106269315B (en) * | 2016-08-12 | 2019-01-01 | 华东理工大学 | Inlet particle sequence type cyclone |
| CN107020205A (en) * | 2017-05-15 | 2017-08-08 | 山东科技大学 | Concentration two sections of cyclones of sorting |
| CN108722692A (en) * | 2018-07-17 | 2018-11-02 | 威海市海王旋流器有限公司 | The three products heavy medium cyclone of two sections of separating densities is adjusted using secondary media pipe |
| CN112058479A (en) * | 2020-09-03 | 2020-12-11 | 中国矿业大学 | Two-section separation density regulating device and method for three-product heavy medium cyclone |
| CN113304877A (en) * | 2021-05-28 | 2021-08-27 | 中煤(天津)地下工程智能研究院有限公司 | Three-product dense medium cyclone two-section separation density and pressure online regulation and control method |
| CN115889005A (en) * | 2023-03-09 | 2023-04-04 | 天津美腾科技股份有限公司 | Non-pressure three-product heavy medium cyclone and regulation and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20190411 |