The three products hindered bed separator
Technical field
The utility model relates to a kind of hydraulic classification equipment, is meant a kind of three products hindered bed separator especially.
Background technology
Traditional hindered bed separator is to utilize a kind of hydraulic classification equipment of water as medium.Hindered bed separator is a square or circular cell body; Water imports in the bucket from the bottom and upwards flows, and material feeds from the staving central upper portion, and the particle that sedimentation is fast is discharged from the bottom discharging mouth; Ascending current carries gently, fine grained upwards flows and overflows, and is collected the back as the overflow product.Behind the material of sorting entering staving; Carry out hindered falling according to himself granule size and density size; The difference of sinking speed separately and ascending current speed forms different flows direction up and down; The approaching material crowd of sinking speed and ascending current speed then forms more stable interfere with layer in bucket, cause the sedimentation of disturbing tiny tissue space in the bed to hamper fine particle and the compelled overflow from top and going out.Therefore, this equipment can only be divided into two products with the material of treating sorting simultaneously, i.e. overflow product and underflow product; When middle density thing more for a long time, for example for the sorting of coal, when middle density thing content surpasses 30% when above; The sorting difficulty increases, and sharpness of separation descends, and overflow and two products of underflow of this moment will certainly let this part intermediate density thing be randomized to either overflow or underflow; Will cause overflow product ash content to increase or the reduction of underflow product ash content, cause loss in efficiency.
The utility model content
Deficiency to prior art; The technical problem that the utility model will solve provides a kind of three products hindered bed separator; Utilize the hindered falling speed that has equal densities different grain size or same particle sizes different densities particle in the ascending current different; The crowd separates to subparticle, can obtain three products simultaneously, to improve the efficiency of separation.
For solving above-mentioned technical problem; The utility model provides a kind of three products hindered bed separator; Comprise sorting unit, charging gear, overflow mechanism, inside and outside top water device, control system and at least one cover discharge device, wherein, the operation of above-mentioned each device of control system control; Wherein, Bucket and outer bucket in sorting unit comprises; The inside of bucket in charging gear is delivered to material, interior top water device makes water move upward from the bottom of interior bucket, forms first interfere with layer with the material of being sent into by charging gear; The material of sedimentation is discharged by interior bucket bottom discharging device through first interfere with layer, arrives the inside of the outer bucket of material entering of top through first interfere with layer; Outer top water device makes water move upward from the bottom of outer bucket; Make the material that gets into outer bucket inside form second interfere with layer; The material of sedimentation is discharged by the discharge device of outer barrel bottom through second interfere with layer, and the material that arrives the top through second interfere with layer is collected by overflow mechanism.
Wherein, outer top water device comprises: outer bucket water endless belt, top, and the sidewall that it is surrounded on outer bucket is arranged on the middle part of outer bucket, and is connected with the external water feeding mechanism; Outer top water inlet pipe: the one of which end is connected with outer bucket water endless belt, top, and the other end links to each other with outer bucket top water distributor chamber; With outer top water dispenser: the bottom that is arranged on outer bucket; It comprises distributor mainboard and a plurality of nozzle units that distribute on it; The distributor mainboard is positioned at the top of outer bucket top water distributor chamber, the water in the water distributor chamber of outer bucket top is sprayed to equably the inside of outer bucket through nozzle unit.
Interior top water device comprises: interior bucket water endless belt, top, and the sidewall that it is surrounded on outer bucket is arranged on outer barrel bottom, and is connected with the external water feeding mechanism;
Interior top water inlet pipe: the one of which end is connected with interior bucket water endless belt, top, and the other end links to each other with interior bucket top water distributor chamber; With
Interior top water dispenser: the bottom of bucket in being arranged on; It comprises distributor mainboard and a plurality of nozzle units that distribute on it; The distributor mainboard is positioned at the top of bucket top water distributor chamber, the inside of bucket in through nozzle unit the water in the water distributor chamber of interior bucket top being sprayed to equably.
Interior top water inlet pipe is respectively 3 with outer top water inlet pipe; One end of outer top water inlet pipe is connected with outer bucket top water inlet on the outer bucket water endless belt, top; One end of interior top water inlet pipe is connected with interior bucket top water inlet on the band of interior bucket water endless belt, top.The annular channel that overflow launder in the overflow mechanism tilts around the top formation one of outer bucket outer wall, the lower of overflow launder is provided with overfall.
Discharge device is a quadruplet, the bottom of bucket in a cover discharge device is arranged on, and the bottom of the outer bucket of three cover discharge devices, such being provided with can obtain three products.
The outer setting orientation barrel of interior bucket, the material of first interfere with layer top in the interior bucket is by the inside of the outer bucket of orientation barrel entering.
In bucket be uncovered round barrel shape or uncovered rectangular-shaped with outer bucket, go into the coaxial setting of charging basket in interior bucket, outer barrel, orientation barrel and the charging gear.Preferably, interior bucket, outer bucket and go into charging basket when all being designed to drum shape can increase the utilization rate of unit are, make the material more even distribution.
The lower end of going into charging basket is plugged on the inside of interior bucket, and material is sent into interior bucket.
In the utility model, bucket and outer bucket in the sorting unit in the three products hindered bed separator is divided into.Interior bucket, outer bucket can be all drum or the side's of being all bucket, and inside and outside barrel coaxial.Interior barrel bottom centre is provided with a discharge gate, and per 120 degree in outer barrel bottom are provided with a discharge gate, outward barrel totally three discharge gates, interior bucket and outer barrel of separate, isolation.
In bucket and outer bucket respectively as first, second time sorting of assorting room; At first, material to be selected gets into interior bucket through the charging basket of going in the charging gear, receives ascending current and the acting in conjunction of particle gravity to form first interfere with layer at interior barrel material; Sub-elect two products: the material of sedimentation is first section underflow through first interfere with layer; First section underflow discharged from the discharge gate of interior bucket bottom, is final products, and the material of first interfere with layer top in the interior bucket is first section overflow.
Secondly, first section overflow carried out the sorting second time again through orientation barrel bucket outside flowing into; Material in the bucket receives ascending current and the acting in conjunction of particle gravity to form second interfere with layer outside, sub-elects two products again, and the material of sedimentation is called second section underflow through second interfere with layer; Can be used as final products; Also can merge as final products with first section underflow as required, the material of second interfere with layer top in the outer bucket is called second section overflow, is final products.Like this, after first and second time of material process sorting to be selected, obtain three products: first section underflow, second section underflow, second section overflow.
The ascending current of inside and outside bucket provides respectively, and is independent separately.Because the difference of the material properties (density composition, granularmetric composition etc.) of inside and outside bucket, the ascending current speed in the inside and outside bucket requires also inequality, and therefore, inside and outside bucket ascending current separately provides separately, does not interact.
The Density Detection of inside and outside bucket and discharge control are independent separately.Because the material properties in the inside and outside bucket comprises that density is formed, the difference of granularmetric composition, the Density Detection in the inside and outside bucket and be provided with separately according to the underflow discharge control of Density Detection, independent separately.
The screening installation that the utility model is close with function is compared; Product is equipped with expert control system; In the material assorting room in the inside and outside bucket, constantly detect inside and outside bucket top water condition, separately the variable density situation, prerequisite under, add expertise enforcement Comprehensive Control, really realized Automatic Control; Guarantee accurate sorting, realized overflow and underflow can be all as the needs of product.
Be elaborated below in conjunction with accompanying drawing and specific embodiment technical scheme to the utility model.
Description of drawings
Fig. 1 is the utility model one specific embodiment structural representation;
Fig. 2 is the utility model master TV structure sketch map;
Fig. 3 is the utility model plan structure sketch map;
Fig. 4 is a D-D cross-sectional view among Fig. 3;
Fig. 5 is the utility model left side TV structure figure.
Reference numeral:
1. overflow pipe 2. water spouts 3. are gone into charging basket
4. outer top water inlet pipe 5. outer barrel water endless belt, top 6. overflow launders
7. bucket in outer bucket 8. orientation barrels 9.
10. discharge actuator 11. railings 12. platforms
13. interior bucket water distributor chamber 14. minor inspection holes, top 15. rinse mouths
16. barrel underflow opening 18. outer barrel top water distributor chambers in the interior barrel soleplate 17.
19. interior bucket top water dispenser 20. outer barrel top water distributor chamber base plates
21. barrel water endless belt, top in the water dispenser 22. outer barrel underflow openings 23. of outer bucket top
24. thorough examination hole 25. outer barrel top water inlet 26. accident drain holes
27. interior bucket top water inlet
The specific embodiment
Fig. 1 is the utility model three products hindered bed separator one specific embodiment agent structure sketch map.
The three products hindered bed separator comprises sorting unit, charging gear, overflow mechanism, inside and outside top water device, control system and discharge device; Wherein, Bucket 9 and outer bucket 7 in sorting unit comprises, interior bucket 9, outer bucket 7 are uncovered round barrel shape or rectangular box shape, and the central configuration of interior bucket 9 is concentric goes into charging basket 3; The lower end of going into charging basket is plugged in the interior bucket 9, bucket 9 in material is sent into.Coaxial orientation barrel 8 is established in the outside of interior bucket, and the material (i.e. first section overflow) of first interfere with layer top in the interior bucket passes through the inside that orientation barrel 8 gets into outer bucket.
The outside of bucket 9 in orientation barrel 8 is arranged on, orientation barrel 8 is gapped with interior barrel 9, the bucket 7 outside this gap flows to of the overflow in the interior bucket 9.If there is not orientation barrel 8; The bottom of overflow so in the bucket outside bucket can all not get into the time flowing to outside barrel; Can not pass through second interfere with layer at outer bucket middle part, having most directly becomes overflow with regard to the outside that overflows to outer bucket, therefore; Through orientation barrel 8, the overflow in can making in the bucket all imports the bottom of outer bucket.
Platform 12 is arranged at the top of outer bucket 7, supplies the people to stand when platform 12 can be used for keeping in repair, and configuration railing 11, discharge actuator 10 are also fixing charging basket 3, density sensor etc. on the platform 12 on it.
Annular overflow trough 6 is arranged at the top of outer bucket 7 outer walls, and the certain angle of lower surface inclination of overflow launder 6 has overfall at lowest part, is connected to overflow pipe 1, is used to collect the material (i.e. second section overflow) of second interfere with layer top in the outer bucket 7.
As shown in Figure 4, in the bottom of interior bucket 9, outer bucket 7 is respectively equipped with bucket underflow opening 17 and outside barrel 22, two underflow openings of underflow opening bottom inside and outside staving, be connected respectively through bolt; Be used for the material after the sedimentation is discharged to the outside of interior bucket 9 and the outside of outer bucket 7; Underflow blow-off valve (not shown) is arranged in the underflow opening, and the underflow blow-off valve is connected with discharge actuator 10 through a connecting rod, and discharge actuator 10 is fixed on the platform 12; Discharge actuator 10 is controlled by the control system; The drive connecting rod moves up and down, and connecting rod drives the underflow blow-off valve and in underflow opening, moves, thereby carries out discharge control.
When foreign material are blocked in top water inlet pipe, can open minor inspection hole 14 and thorough examination hole 24, carry out the labor cleaning; The water of bucket top water distributor chamber 13 will can upwards not push up in bucket from discharge here again in when rinse mouth 15 is opened, and therefore, the possible foreign material in the interior bucket top water distributor chamber 13 are discharged with water, in order to avoid stop up water spout.
Specify the assorting room of material below at the three products hindered bed separator.
At first; Material gets into interior bucket 9 from the top down from going into charging basket 3; Interior top water device makes water move upward from the bottom of interior bucket; Form first interfere with layer with the material in the interior bucket 9, the material (first section underflow) of sedimentation is discharged by the interior barrel of underflow opening 17 of interior bucket bottom through first interfere with layer, and the material (first section overflow) that arrives the top through first interfere with layer gets into the inside of outer bucket through importing bucket 8.
Secondly; Outer top water device makes water move upward from the bottom of outer bucket; Make the material that gets into outer bucket inside form second interfere with layer; The material (second section underflow) of sedimentation is discharged by the outer bucket underflow opening 22 of outer barrel bottom through second interfere with layer, and the material (second section overflow) that arrives the top through second interfere with layer flows into overflow pipe 1 through the overfall on the overflow launder 6, thereby collects second section overflow.
In the Nei Dingshui device, interior bucket water endless belt, top 23 is arranged on the bottom of outer bucket 7, and it is surrounded on the sidewall of outer bucket, and is connected with the external water feeding mechanism; One end of interior top water inlet pipe is connected with interior bucket top water inlet 27 on the interior bucket water endless belt, top 23, and the other end links to each other with interior barrel of top water distributor chamber 13; The bottom of bucket in interior top water dispenser 19 is arranged on; It comprises distributor mainboard and a plurality of water spouts that distribute on it; The distributor mainboard is positioned at the top of bucket top water distributor chamber 13, the inside of bucket in through water spout the water in the interior bucket top water distributor chamber 13 being sprayed to equably.
In the top water device, bucket water endless belt, top 5 is arranged on outer barrel middle and lower part around the sidewall of outer bucket 7 outward outside, and is connected with the external water feeding mechanism.One end of outer top water inlet pipe 4 is connected with outer bucket top water water inlet 25 on the outer bucket water endless belt, top 5, and the other end of outer top water inlet pipe 4 is connected with a barrel top water distributor chamber 18 outward; The outer bucket top water dispenser 21 of bucket bottom comprises distributor mainboard and a plurality of water spouts 2 that distribute on it outside; The distributor mainboard is positioned at the top of outer bucket top water distributor chamber 18, the inside of bucket in through water spout 1 water in the outer bucket top water distributor chamber 18 being sprayed to equably.Water is bucket water endless belt, top 5 outside outer bucket top water inlet pipe 4 gets into; Pour the below of outer bucket top water dispenser 21 again into,, get into the material sorting once more in the outer bucket 7 through upwards ejection of a large amount of water spout 2; Produce second section overflow and underflow; So far, material is accomplished first and second sorting, obtains three products.
The utility model utilizes the hindered falling speed that has equal densities different grain size or same particle sizes different densities particle in the ascending current different, and the crowd separates to subparticle, and can obtain three products simultaneously.
The screening installation that the utility model is close with function is compared, and maximum characteristic is exactly the combined sorting through coaxial inside and outside bucket, can obtain three products simultaneously; Simultaneously, the utility model is equipped with expert control system, has really realized Automatic Control; Nobody holds and keeps; Top discharge is able to control, and ascending current speed is stable, and overflow or underflow can be set quality control index arbitrarily according to the sorting mineral needs and accomplish control by the density autostabilization system.Owing to realized one, two section sorting, sharpness of separation increases substantially, and the control of product quality ability is significantly strengthened.The instance of sorting coal shows that possible deviation Ep value disturbs 0.10 of bed to drop to 0.05 by two products.
In the control system, density sensor gos deep into the density that staving detects suspension, gives controller electrical signal transfer, and controller sends instruction to discharge actuator 10 again, and discharge actuator 10 links to each other with the underflow blow-off valve through connecting rod.Density sensor passes to the PLC programmable controller to the density signal in the staving, and the PLC programmable controller is again according to the opening degree of expertise and PID operation result control discharge control valve.
Can one or more sets discharge devices and discharge actuator 10 be installed according to the size of staving, the control system in the present embodiment is at Chinese patent (application number: 2008201770386) description is arranged, no longer repeat at this.
In addition; Also be welded with staircase up and down in the interior bucket 9; About the personnel, an outer bucket bottom is provided with large and small inspection opening 24,14, gets into impurity in order to the top hydroecium and stops up water spout, opens inspection when bottom accident drain hole 26 is put to be come out again when being beneficial to clearly bucket; And generally speaking, impurity can be discharged by accident drain hole 26 under the water effect of top.
Above embodiment is only unrestricted in order to explanation the utility model; Although the utility model is specified with reference to preferred embodiment; But those of ordinary skill in the art is to be understood that; The modification of under the prerequisite that does not break away from the utility model scope, the utility model being carried out perhaps is equal to replacement, all should belong within the protection domain of the utility model claim.