CN205462795U - Novel three product dense medium cyc lone of non -pressure feed - Google Patents
Novel three product dense medium cyc lone of non -pressure feed Download PDFInfo
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- CN205462795U CN205462795U CN201620248017.3U CN201620248017U CN205462795U CN 205462795 U CN205462795 U CN 205462795U CN 201620248017 U CN201620248017 U CN 201620248017U CN 205462795 U CN205462795 U CN 205462795U
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- cyclone
- pan feeding
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- bicone
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Abstract
The utility model provides a novel three product dense medium cyc lone of non -pressure feed, one section swirler is established ties with two -stage process swirler and is coupleed, the rear portion of one section swirler is equipped with greatly, little qualified medium pan feeding mouth, the rear end of one section swirler is equipped with the clean coal export, the front end of one section swirler is equipped with swirler pan feeding elbow, the rear portion of two -stage process swirler is equipped with the middlings export, the front portion is equipped with the waste rock export, center part in the pan feeding elbow adds to be equipped with and has, the solid pipe of bicone of lower cone, it is connected with inlet flange with the pan feeding end of pan feeding elbow to go up the cone, export flange joint is used with the discharge end of pan feeding elbow to the cone down, on, the cone is even as an organic whole with solid pipe down, pan feeding elbow and the annular pan feeding mouth of the solid tubular one -tenth of bicone circle. The center of pan feeding elbow is the solid pipe of bicone, and all materials were selected separately under the effect of dense media after getting into swirler the wear resistant while, had avoided the production air column, reduced the energy consumption, had improved the precision of selecting separately.
Description
Technical field
This utility model relates to the heavy medium cyclone that a kind of screening installation technical field uses, and particularly relates to feeding mouth and uses the Novel non-pressure feed three products heavy medium cyclone of bicone solid tubes structure.It, for improving the structure of cyclone feeding mouth, allows heavy medium cyclone separating effect more preferably.
Background technology
Currently, the pressureless fed three-product dense-medium cyclone of China has been widely used in the sorting of coal.Either single giving is situated between and double to Jie's cyclone, cyclone all forms zero axle speed enveloping surface in assorting room, sorted materials is distributed in zero axle speed enveloping surface both sides according to the density difference of weight product, it has been internally formed hollow air column at cyclone in rotary course, not only there is viscous dissipation in air column and rapids can consume, and its interior air-flow also carry fluid dynamic energy, promote material to pass through air column and do not carry out sorting and be just directly entered one section of overfall of cyclone and flow out.Therefore, no matter from the perspective of fall subtracts energy consumption, or from the angle making material fully obtain sorting, all should reduce as far as possible and even cancel air column.nullAt present，The feed-type of pressureless fed three-product dense-medium cyclone is all that the upper chute of the sieve by rubber belt conveyor head chute or classifying screen makes material from the pan feeding surge hopper flowing into pressureless fed three-product dense-medium cyclone，Open qualification medium pump simultaneously，Medium is squeezed into surge hopper，Material is made to form the whirlpool identical with one section of rotation direction of cyclone in surge hopper with medium，Last material and medium mixing moistening are that swirling enters cyclone feeding mouth，This mode is referred to as Pre-sorting by sorting technology，Owing to cyclone feeding mouth is hollow elbow structure，Medium and material are produced hollow air column during Pre-sorting and are directly entered in one section of cylinder of cyclone by elbow feeding mouth，Affect sharpness of separation and off-energy，For solving this problem，By produced on-site actual observation repeatedly，The invention of the pressureless fed three-product dense-medium cyclone of feeding mouth employing bicone solid tubes structure is ready to appear.
Utility model content
Air column is produced for prior art when goal of the invention of the present utility model is to sort, cause sharpness of separation to reduce, lose the series of problems such as energy consumption, product dirt band, there is provided a kind of with the Novel non-pressure feed three products heavy medium cyclone that feeding mouth is bicone solid tubes structure, to improve sharpness of separation, reduce energy loss, improve product purity.
Realize above-mentioned purpose by the following technical solutions
A kind of Novel non-pressure feed three products heavy medium cyclone, including one section of cyclone, two-stage nitration cyclone, one section of cyclone and two-stage nitration cyclone coupled in series, the rear portion of one section of cyclone is provided with greatly, little qualified medium feeding mouth, the rear end of one section of cyclone is provided with cleaned coal outlet, the front end of one section of cyclone is provided with cyclone pan feeding elbow, the rear portion of two-stage nitration cyclone is provided with middle coal export, front portion is provided with spoil outlet, it is characterized in that: the described centre in pan feeding elbow adds with upper, the bicone solid tubes of lower cone, upper cone is connected with the feeding end inlet flange of pan feeding elbow, lower cone is connected with the discharge end outlet(discharge) flange of pan feeding elbow, on, lower cone is connected as a single entity with solid tubes, pan feeding elbow forms the feeding mouth of annular with bicone solid tubes.
As preferably, the 1/5～1/10 of a diameter of pan feeding elbow diameter of bicone solid tubes.
As preferably, outlet(discharge) flange is plane face flange.
As preferably, the lower cone of bicone solid tubes is to use four irons to be distributed along 90 ° of angle symmetrical with the type of attachment of the adpting flange of pan feeding elbow outlet, and one end of four irons is connected with the inwall of flange respectively, and other end outer wall with cone pipe respectively is connected.
As preferably, the vertebral body angle of upper/lower cone is 60 °.
As preferably,One section of described cyclone is unpressurized feeding cylindrical cyclone.
As preferably,Described two-stage nitration cyclone is pressurized feeding cylinder cone cyclone.
Using technique scheme, this utility model forms the feeding mouth of annular added with bicone solid tubes, pan feeding elbow with bicone solid tubes in the centre of the pan feeding elbow of conventional pressureless fed three-product dense-medium cyclone.Compared with prior art, when this utility model has the advantage that without press-in material, cyclone feeding mouth is changed into bipyramid build by cylinder type, material rotates into cyclone from bicone opening's edge enveloping surface, upper cone beneficially material enters cyclone from week edge enveloping surface uniformly, lower cone is beneficial to material and medium in the rotation within cyclone, is connected up and down, produces, when avoiding tradition heavy medium cyclone Flow of Goods and Materials with this, the adverse effect that air column brings.Material is rotated into cyclone through pan feeding elbow by surge hopper, material keeps rotation direction constant, material rotates into cyclone along the middle part of feeding pipe and bicone solid tubes, owing to the center of pan feeding elbow is bicone solid tubes, while wear-resisting, all materials sort after entering cyclone under the effect of dense media, avoid generation air column, reduce energy consumption；Avoid density material to be directly entered in low-density product without sorting, improve the precision of sorting.There is the advantage reducing energy consumption, improving separating effect.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the connection diagram of bicone solid tubes of the present utility model and outlet(discharge) flange.
In figure, labelling is as follows: inlet flange 1, bicone solid tubes 2, pan feeding elbow 3, outlet(discharge) flange 4, one section of cyclone 5, big qualified medium feeding mouth 6, cleaned coal outlet 7, little qualified medium feeding mouth 8, middle coal export 9, two-stage nitration cyclone 10, spoil outlet 11, iron 12.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment.
The present embodiment is a kind of Novel non-pressure feed three products heavy medium cyclone, and concrete structure is shown in Fig. 1-2, and by one section of cyclone 5, two-stage nitration cyclone 10 grade forms.One section of cyclone 5 is unpressurized feeding cylindrical cyclone, and two-stage nitration cyclone 10 is pressurized feeding cylinder cone cyclone.
One section of cyclone 5 and two-stage nitration cyclone 10 coupled in series of the present embodiment, rear upper end at one section of cyclone 5 is provided with big qualified medium feeding mouth 6, lower end is provided with little qualified medium feeding mouth 8, the rear end of one section of cyclone 5 is provided with cleaned coal outlet 7, the front end of one section of cyclone is provided with cyclone pan feeding elbow, the rear portion of two-stage nitration cyclone is provided with middle coal export, and the front portion of one section of cyclone 5 is provided with cyclone pan feeding elbow 3.The front end of two-stage nitration cyclone 10 is provided with spoil outlet 11, and rear end is provided with middle coal export 9.The present embodiment centre in pan feeding elbow 3 installs a bicone solid tubes 2 with upper/lower cone additional, the Air core diameter size produced when the diameter of bicone solid tubes rotates with material is coincide and is advisable, the employing of the bicone solid tubes of the present embodiment has the high manganese material of performance, the 1/5～1/10 of its a diameter of pan feeding elbow diameter.The upper cone of bicone solid tubes 2 is connected with the feeding end inlet flange 1 of pan feeding elbow 3, and lower cone is connected with the discharge end outlet(discharge) flange 4 of pan feeding elbow 3, and outlet(discharge) flange 4 is plane face flange.Lower cone with the type of attachment of outlet(discharge) flange 4 is;Using four irons 12 to be distributed along 90 ° of angle symmetrical, one end of four irons 12 inwall with outlet(discharge) flange 4 respectively is connected, and other end outer wall with cone pipe respectively is connected.The vertebral body angle of upper/lower cone is 60 °, and upper/lower cone and solid tubes combine as a whole and form bicone solid tubes 2, and pan feeding elbow forms the feeding mouth of annular with bicone solid tubes.
Work process of the present utility model:
The maximum feature of free-flow three-product heavy medium cyclone is coal and heavy-media suspension individually feeds cyclone.In order to improve sharpness of separation and accelerate separation velocity, general free-flow three-product heavy medium cyclone at raw coal pan feeding surge hopper added with wet tube, allow coal and medium pre-wetting, and produce the whirlpool identical with one section of cyclone 5 rotation direction, one section of cyclone 5 is rotated into through the mid portion of pan feeding elbow 3 and bicone solid tubes 2, heavy-media suspension is big by heavy-media suspension, little conjunction Jie's mouth 6, 8 feed cyclone with certain speed and pressure along the edge of one section of cyclone 5, raw coal is after one section of cyclone 5 and two-stage nitration cyclone 10 sort, the cleaned coal obtained is by cleaned coal outlet 7 discharge, middle coal is discharged by middle coal export 9, spoil is by spoil outlet 11 discharge.
Raw coal feeds cyclone by freely falling body, once sub-elects cleaned coal, middle coal and three kinds of products of spoil.Cleaned coal, middle coal and the spoil discharged carries out the dehydration of product and the recycling of dense media by dehydration de-mediated equipment.The upper cone of bicone solid tubes beneficially raw coal feeds cyclone from week edge enveloping surface, it coincide with coal running orbit in one section of cyclone 5, the air column that bicone solid tubes 2 produces when can offset whirlpool, prevent coal and spoil from directly entering cleaned coal outlet 7 by air column without sorting while reducing energy consumption, lower cone beneficially qualified medium rotates, and realizes reducing energy consumption, the effect of raising sharpness of separation with this.
Above-described embodiment is merely to illustrate this utility model; the structure of each parts, size, position is set and shape all can be varied from; on the basis of technical solutions of the utility model; all improvement carried out individual part according to principle of the present utility model and equivalents, the most should not get rid of outside protection domain of the present utility model.
Claims (7)
1. a Novel non-pressure feed three products heavy medium cyclone, including one section of cyclone, two-stage nitration cyclone, one section of cyclone and two-stage nitration cyclone coupled in series, the rear portion of one section of cyclone is provided with greatly, little qualified medium feeding mouth, the rear end of one section of cyclone is provided with cleaned coal outlet, the front end of one section of cyclone is provided with cyclone pan feeding elbow, the rear portion of two-stage nitration cyclone is provided with middle coal export, front portion is provided with spoil outlet, it is characterized in that: the described centre in pan feeding elbow adds with upper, the bicone solid tubes of lower cone, upper cone is connected with the feeding end inlet flange of pan feeding elbow, lower cone is connected with the discharge end outlet(discharge) flange of pan feeding elbow, on, lower cone is connected as a single entity with solid tubes, pan feeding elbow forms the feeding mouth of annular with bicone solid tubes.
Novel non-pressure feed three products heavy medium cyclone the most according to claim 1, it is characterised in that: the 1/5～1/10 of a diameter of pan feeding elbow diameter of bicone solid tubes.
Novel non-pressure feed three products heavy medium cyclone the most according to claim 1, it is characterised in that: outlet(discharge) flange is plane face flange.
Novel non-pressure feed three products heavy medium cyclone the most according to claim 3, it is characterized in that: the lower cone of bicone solid tubes is to use four irons to be distributed along 90 ° of angle symmetrical with the type of attachment of the adpting flange of pan feeding elbow outlet, one end of four irons is connected with the inwall of flange respectively, and other end outer wall with cone pipe respectively is connected.
Novel non-pressure feed three products heavy medium cyclone the most according to claim 1, it is characterised in that: the vertebral body angle of described upper/lower cone is 60 °.
Novel non-pressure feed three products heavy medium cyclone the most according to claim 1, it is characterised in that: one section of cyclone is unpressurized feeding cylindrical cyclone.
Novel non-pressure feed three products heavy medium cyclone the most according to claim 1, it is characterised in that: described two-stage nitration cyclone is pressurized feeding cylinder cone cyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620248017.3U CN205462795U (en) | 2016-03-29 | 2016-03-29 | Novel three product dense medium cyc lone of non -pressure feed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620248017.3U CN205462795U (en) | 2016-03-29 | 2016-03-29 | Novel three product dense medium cyc lone of non -pressure feed |
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| CN205462795U true CN205462795U (en) | 2016-08-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199113A (en) * | 2017-08-01 | 2017-09-26 | 中煤科工集团唐山研究院有限公司 | It is a kind of can realize in the heavy medium cyclone that selects again of coal |
| CN109482332A (en) * | 2018-11-29 | 2019-03-19 | 金阿益 | A kind of heavy medium cyclone device of coal engineering |
| CN110560258A (en) * | 2019-09-23 | 2019-12-13 | 山东科技大学 | device and process for selecting ultra-clean coal from jigging overflow coal slime through physical cyclone recovery |
| CN111085331A (en) * | 2019-12-25 | 2020-05-01 | 四川广旺能源发展(集团)有限责任公司代池坝选煤厂 | Vortex feeding two-section dense medium cyclone with inner spiral groove |
| CN113289779A (en) * | 2021-06-01 | 2021-08-24 | 中南大学 | Mining three-product heavy-medium cyclone |
-
2016
- 2016-03-29 CN CN201620248017.3U patent/CN205462795U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199113A (en) * | 2017-08-01 | 2017-09-26 | 中煤科工集团唐山研究院有限公司 | It is a kind of can realize in the heavy medium cyclone that selects again of coal |
| CN109482332A (en) * | 2018-11-29 | 2019-03-19 | 金阿益 | A kind of heavy medium cyclone device of coal engineering |
| CN110560258A (en) * | 2019-09-23 | 2019-12-13 | 山东科技大学 | device and process for selecting ultra-clean coal from jigging overflow coal slime through physical cyclone recovery |
| CN110560258B (en) * | 2019-09-23 | 2023-09-29 | 山东科技大学 | Device and process for selecting ultra-clean coal by physical cyclone recovery jigging overflow coal slime |
| CN111085331A (en) * | 2019-12-25 | 2020-05-01 | 四川广旺能源发展(集团)有限责任公司代池坝选煤厂 | Vortex feeding two-section dense medium cyclone with inner spiral groove |
| CN113289779A (en) * | 2021-06-01 | 2021-08-24 | 中南大学 | Mining three-product heavy-medium cyclone |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |