CN2098969U - Spiral coal classifier - Google Patents
Spiral coal classifier Download PDFInfo
- Publication number
- CN2098969U CN2098969U CN 91220694 CN91220694U CN2098969U CN 2098969 U CN2098969 U CN 2098969U CN 91220694 CN91220694 CN 91220694 CN 91220694 U CN91220694 U CN 91220694U CN 2098969 U CN2098969 U CN 2098969U
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- spiral
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- self
- spiral sorting
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Abstract
The utility model relates to a spiral coal classifier suitable for classifying coal through self-generation media, which is composed of a feeding tank, a spiral barrel, a discharge port, a driving seat frame, etc., wherein one end of the cylindrical spiral barrel, which is close to the feeding tank, is connected with a spiral cone and the inner walls of the spiral cone and the spiral barrel are welded with spiral blades. When the utility model is installed, the cone part is arranged upwards, the discharge port is arranged downwards and the utility model forms an inclined state. The utility model has the advantages that the spiral coal classifier is suitable for self-generation media so that people don't need to purchase heavy media, and the spiral coal classifier has the advantages of simple structure, less matched equipment, simple and easy technology process, water and medium saving and low coal classifying cost.
Description
A kind of spiral sorting bucket that is applicable to self-produced medium coal belongs to and utilizes liquid with the technical field that solid separates with solid, is a kind of improvement for dense media cartridge type coal preparation machine.
The suspension that domestic existing cartridge type separator adopts is heavy-media suspension, being to use highdensity solia particle--heavy weight additive (as Iron Ore Powder) is formulated with water, this heavy weight additive needs special the purchase, it reclaims, purifies needs more loaded down with trivial details technology and complex apparatus again, increased the cost of coal washing, this cartridge type dense media separator is to adopt horizontally disposed structure, required quantities of suspension is big during work, material washing time in tube is long, floating thing (coal) is discharged inconvenience, and hypostasis (spoil) is to the serious wear of barrel wall and tube inside spin bar.
The purpose of this utility model is to provide a kind of simple in structure for the deficiency that overcomes above-mentioned cartridge type separator, and the spiral sorting barreled that can be suitable for self-produced medium coal is put.
The purpose of this utility model is achieved like this: this spiral sorting bucket of self-produced medium coal that is applicable to is made up of feeder trough, screw cone, screw barrel and transmission mounting etc.By ring flange Bolt Connection screw cone, the other end is also connected with the discharging interface with bolt by ring flange screw barrel by feeder trough one end, forms spiral sorting bucket.Screw cone and screw barrel inwall are welded with helical blade.Feeder trough is installed on screw cone and screw barrel medium position.The tapering of whole spiral sorting bucket makes progress, the discharging interface is installed on the transmission mounting towards the lower edge inclined.When work, the material and the suspension that are fed by feeder trough enter spiral sorting bucket, rotation along with spiral sorting bucket, material (raw coal) and suspension are imposed dynamic action, material (raw coal) and suspension is fully mixed because the density of suspension can be regulated control, make its greater than floating thing less than hypostasis, therefore floating thing is suspended on the helical blade, and hypostasis is sunken between the helical blade.The installation of spiral sorting bucket is tilted, the floating thing that the suspension that flows down from the bucket upper end will float on the helical blade washes away rapidly, outside the discharging interface is discharged bucket, be sunken to hypostasis between helical blade with the rotation of spiral sorting bucket, along moving on the helical blade, after screw cone inwall hole leaf removes a large amount of media outside bucket is discharged in cone upper end, thereby realize feeding separating of hypostasis in the material (spoil) and floating thing (coal).
Embodiment below in conjunction with accompanying drawing provides describes in further detail the utility model:
Fig. 1, be spiral sorting barrel structure schematic diagram;
Fig. 2, be the A-A profile of Fig. 1;
Fig. 3 is a kind of technique for applying flow chart;
Shown in figure ［ 1 ］, the utility model is applicable to that the spiral sorting bucket of self-produced medium coal is made up of feeder trough ［ 1 ］, screw barrel ［ 4 ］ and transmission mounting ［ 8 ］ etc.Long garden cylindricality screw barrel ［ 4 ］ leans on an end of feeder trough ［ 1 ］ by ring flange ［ 3 ］ Bolt Connection screw cone ［ 2 ］, and the other end of screw barrel ［ 4 ］ is also connected with discharging interface ［ 7 ］ with bolt by ring flange ［ 6 ］, forms spiral sorting bucket.The inwall of screw cone ［ 2 ］ and screw barrel ［ 4 ］ is welded with helical blade ［ 5 ］, and feeder trough ［ 1 ］ inserts in screw cone ［ 2 ］ and screw barrel ［ 4 ］ centre position.The tapering of whole spiral sorting bucket up, discharging opening is installed on the transmission mounting ［ 8 ］ towards the lower edge inclined.
The feeder trough shown in Figure 2 ［ 1 ］ as Fig. 1, for ease of flowing of material in the groove, the curved structure in its cross section, notch is held the middle part of the sorting mechanism that inserts screw cone ［ 2 ］ and screw barrel ［ 4 ］ composition up and down.The upper end is equipped with pipe coupling flange and is connected with the medium intake line.The skin of feeder trough ［ 1 ］ is shaped by steel plate ［ 16 ］, in be lined with abrasive rubber ［ 17 ］.The pressing plate ［ 18 ］ that passes both sides with screw is fixing.
Screw cone ［ 2 ］ is welded by the manganese plate, the restriction that influences each other of the setting angle of the size of tapering and sorting bucket, setting angle is little, then tapering needs suitably to strengthen, otherwise setting angle strengthens, then tapering needs suitably to reduce, be welded with helical blade ［ 5 ］ on the inwall of cone ［ 2 ］, helical blade ［ 5 ］ can be one or bull, equidistant welding, for ease of when discharging hypostasis, removing most of medium, on every blade, all have alternate square hole ［ 15 ］, square hole ［ 15 ］ one side lean against on the cone wall.The big end of cone has ring flange ［ 3 ］, can join with any end of screw barrel ［ 4 ］, and having connected the helical blade ［ 5 ］ of posterior pyramids inside and the helical blade ［ 5 ］ of screw barrel ［ 4 ］ can both well coincide.
Screw barrel ［ 4 ］ is welded by the manganese plate, and profile is elongated cylindrical, also is welded with helical blade ［ 5 ］ along the long inwall of bucket, and the interior blade of the bar number of blade, pitch and angle and cone is identical, and not perforate of blade is integral solder.With the rotation of screw barrel, blade is upwards discharged hypostasis (spoil) outside the bucket by the awl mouth on the one hand, imposes dynamic action to suspension on the other hand, and the density of suspension is carried out comprehensive compensation.The two ends of screw barrel ［ 4 ］ have ring flange ［ 3 ］, ［ 6 ］ to connect with screw cone ［ 2 ］ and discharging interface ［ 7 ］.
Discharging interface ［ 7 ］ profile diameter size is consistent with screw barrel, its flanged dish of an end ［ 6 ］, can with any end mutual connection of screw barrel ［ 4 ］, inwall does not have helical blade, can for convenience detachly change after the wearing and tearing.
For improving the service life of screw barrel ［ 4 ］, after the end heavy wear of screw barrel ［ 4 ］, it can be changed one, respectively with screw cone ［ 2 ］, discharging interface ［ 7 ］ connects.Continue again to use.
Support whole spiral sorting bucket and driving the transmission mounting ［ 8 ］ that screw barrel rotates, power transmission shaft ［ 9 ］, friction pulley ［ 13 ］ and longitudinal supporting locating wheel ［ 14 ］ etc. by the motor ［ 10 ］ that is installed on mounting one side, V belt ［ 11 ］, decelerator ［ 12 ］, both sides symmetry are formed, and all are installed on the mounting.Be installed on the moment of torsion of mounting motor ［ 10 ］ output on one side, by V belt ［ 11 ］ input decelerator ［ 12 ］ input shaft ［ 9 ］ after slowing down, the friction pulley ［ 13 ］ that drives on the power transmission shaft ［ 9 ］ rotates, because of friction pulley ［ 13 ］ directly supports spiral sorting bucket, and then drive spiral sorting bucket and friction pulley ［ 13 ］ is made counter-rotation.The another side of mounting only is equipped with power transmission shaft ［ 9 ］ and friction pulley ［ 13 ］, only plays supporting and slaved operation.Two longitudinal supporting locating wheels ［ 14 ］ that the spiral sorting bucket that supporting tilts to install does not glide are installed on mounting front end both sides, the leading edge of wheel leans on screw barrel ［ 4 ］ and the joining outstanding ring flange of screw cone ［ 2 ］ ［ 3 ］, when spiral sorting bucket rotates, longitudinal supporting locating wheel ［ 14 ］ is also followed rotation, makes whole sorting bucket remain on former allocation operate as normal.The generally every limit of friction pulley ［ 13 ］ that is installed on both sides divides the two groups of symmetries in front and back to install, and every group has 3～4.The tire for vehicles that friction pulley can select for use size to be fit to.
Accompanying drawing 3 has provided a kind of process chart that uses the utility model device.Raw coal and suspension are after feeder trough ［ 1 ］ enters the washing of spiral sorting bucket, cleaned coal and medium are discharged from spiral sorting bucket lower end discharging interface, through linear vibrating screen ［ 23 ］ dehydration de-mediated, black water flows into coal water tank A and precipitates, spillway discharge enters coal water tank B again, squeeze into spiral sorting bucket as main separating medium by slush pump ［ 25 ］, coal slime slurry among the coal water tank A is squeezed into cyclone ［ 19 ］ by slush pump ［ 24 ］ and is carried out sorting, the fine cleaned coal of being discharged by overfall removes most of water and fine coal through first section sieve bend ［ 20 ］, further removes fine coal and water through second section sieve bend ［ 21 ］ again.The fine cleaned coal that enters linear vibrating screen ［ 22 ］ is discharged after water purification spray desliming dehydration.Coal water no longer circulates among the coal water tank C, directly enters the sedimentation basin precipitation, and the screenings of first section sieve bend ［ 20 ］ flows in the sorting bucket, and this part black water plays an important role to the control of separating density.The spoil that spiral sorting bucket and cyclone separate is through directly discharging after vibratory sieve ［ 26 ］ the dehydration de-mediated; Screenings enters coal water tank D, flows into coal water tank A again and enters the circulatory system.
The suspension that this device adopts is autogenous medium.Since all contain a certain proportion of particulate clay in the raw coal, shale and fine coal etc., and they separate with lump coal, spoil through washing is most of, handle through two sections 0.5 millimeter sieve bends again, can form more stable suspension with water.This suspension is exactly autogenous medium.Any raw coal can form this autogenous medium through handling.The density of autogenous medium is located the high density slime content by adjusting output and first section sieve bend ［ 20 ］ and is controlled.The density of autogenous medium is frequently measured in the application process.Be easy to obtain density data with densitometer or method such as weigh.When the practical density that measures can reduce density value by strengthening output during greater than separating density, make it to meet separating density, when the actual density that measures can be opened the valve at first section sieve bend place during less than separating density, increase medium middle-high density component content to improve density value, make it to meet separating density.For the raw coal of different atures of coal, the separating density that is adopted is different, so separating density should be determined in actual washing process.
The utility model device has the following advantages: its maximum advantage is to be suitable for autogenous medium, does not need the special preparation dense media of buying, and difficult separation coal and utmost point difficult separation coal is had good adaptability, the production efficiency height. It simple in structure, required corollary equipment is few, and technological process is simple, and water-saving is economized medium, reduces the coal separation cost, and the simultaneously operation of this device and debugging are also very convenient, outside its transmission mechanism is exposed to, are convenient to installation, maintenance.
Claims (9)
1, a kind of spiral sorting bucket that is applicable to self-produced medium coal, by feeder trough [1], screw barrel [4] and transmission mounting compositions such as [8], it is characterized in that leaning on an end of feeder trough [1] by ring flange [5] Bolt Connection one screw cone [2] at cylindrical screw barrel [4], the other end of screw barrel [4] is also connected with discharging interface [7] with bolt by ring flange [6], form spiral sorting bucket, inwall at screw cone [2] and screw barrel [4] is welded with the helical blade [5] that kissing connects, feeder trough [1] inserts the medium position of screw cone [2] and screw barrel [4], and the tapering of whole spiral sorting bucket upwards, discharging opening is installed on the transmission mounting [8] towards the lower edge inclined.
2, a kind of spiral sorting bucket that is applicable to self-produced medium coal according to claim 1, the curved structure in cross section that it is characterized in that feeder trough ［ 1 ］, the skin of groove is shaped by steel plate ［ 16 ］, in be lined with abrasive rubber ［ 17 ］, the pressing plate ［ 18 ］ that passes both sides in the groove with screw is fixing.
3, a kind of spiral sorting bucket that is applicable to self-produced medium coal according to claim 1, it is characterized in that screw cone ［ 2 ］ is hollow round platform, be welded with helical blade ［ 5 ］ on the cone inwall, all have alternate square hole ［ 15 ］ on every blade, one side of square hole ［ 15 ］ leans against on the cone wall, and the big end of cone has adpting flange.
4, a kind of spiral sorting bucket that is applicable to self-produced medium coal according to claim 1 is characterized in that the profile of screw barrel ［ 4 ］ is elongated cylindrical, and inwall is welded with and screw cone bar number, highly the same helical blade ［ 5 ］.Not perforate of helical blade ［ 5 ］ is an overall structure.All there is adpting flange at the two ends of garden cylindricality bucket.
5, according to claim 3,4 described a kind of spiral sorting buckets that are applicable to self-produced medium coal, it is characterized in that helical blade ［ 5 ］ has one or several, be uniform pitch and arrange.
6, a kind of spiral sorting bucket that is applicable to self-produced medium coal according to claim 1, the profile diameter size that it is characterized in that discharging interface ［ 7 ］ is consistent with screw barrel ［ 4 ］, inwall does not have helical blade, and an end of discharging interface ［ 7 ］ has flange connection.
7, according to claim 1 or 6 described a kind of spiral sorting buckets that are applicable to self-produced medium coal, it is characterized in that any end of screw barrel ［ 4 ］ can be connected with screw cone ［ 2 ］, discharging interface ［ 7 ］.
8, a kind of spiral sorting bucket that is applicable to self-produced medium coal according to claim 1, it is characterized in that supporting and drive the transmission mounting ［ 8 ］ that spiral sorting bucket rotates and form, all be installed on the mounting by the power transmission shaft ［ 9 ］ that is installed on motor ［ 10 ］, V belt ［ 11 ］, decelerator ［ 12 ］ and both sides symmetry on one side, friction pulley ［ 13 ］, longitudinal supporting locating wheel ［ 14 ］ etc.
9, a kind of spiral sorting bucket that is applicable to self-produced medium coal according to claim 7, it is characterized in that friction pulley ［ 13 ］ by before and after the every at least limit each one form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91220694 CN2098969U (en) | 1991-08-12 | 1991-08-12 | Spiral coal classifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91220694 CN2098969U (en) | 1991-08-12 | 1991-08-12 | Spiral coal classifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2098969U true CN2098969U (en) | 1992-03-18 |
Family
ID=4927755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91220694 Ceased CN2098969U (en) | 1991-08-12 | 1991-08-12 | Spiral coal classifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2098969U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101112696B (en) * | 2007-08-03 | 2010-06-16 | 夏玉才 | Sub-dense medium separation technics and sub-heavy-media separator |
| CN103170404A (en) * | 2011-12-21 | 2013-06-26 | 刘建民 | Dense medium spiral roller coal gangue discharge method |
| CN108889440A (en) * | 2018-05-07 | 2018-11-27 | 李清湘 | The gravity treatment dielectric material and its application method separated for metallic ore with association gangue |
| CN110433952A (en) * | 2019-07-16 | 2019-11-12 | 福建省大田县上丰矿业有限公司 | A kind of spiral mineral device |
| CN111389579A (en) * | 2020-04-03 | 2020-07-10 | 榆林学院 | Dust protected selects coal to use dense medium flow distribution box |
-
1991
- 1991-08-12 CN CN 91220694 patent/CN2098969U/en not_active Ceased
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101112696B (en) * | 2007-08-03 | 2010-06-16 | 夏玉才 | Sub-dense medium separation technics and sub-heavy-media separator |
| CN103170404A (en) * | 2011-12-21 | 2013-06-26 | 刘建民 | Dense medium spiral roller coal gangue discharge method |
| CN108889440A (en) * | 2018-05-07 | 2018-11-27 | 李清湘 | The gravity treatment dielectric material and its application method separated for metallic ore with association gangue |
| CN108889440B (en) * | 2018-05-07 | 2020-03-31 | 李清湘 | Gravity separation medium material for separating metal ore and associated gangue and use method thereof |
| CN110433952A (en) * | 2019-07-16 | 2019-11-12 | 福建省大田县上丰矿业有限公司 | A kind of spiral mineral device |
| CN110433952B (en) * | 2019-07-16 | 2022-03-22 | 福建省大田县上丰矿业有限公司 | Spiral ore dressing device |
| CN111389579A (en) * | 2020-04-03 | 2020-07-10 | 榆林学院 | Dust protected selects coal to use dense medium flow distribution box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 19941025 Decision number of declaring invalidation: 523 |