CN102806202B - Fluid-bed separator comprising vibrating air distribution plate - Google Patents
Fluid-bed separator comprising vibrating air distribution plate Download PDFInfo
- Publication number
- CN102806202B CN102806202B CN201210339576.1A CN201210339576A CN102806202B CN 102806202 B CN102806202 B CN 102806202B CN 201210339576 A CN201210339576 A CN 201210339576A CN 102806202 B CN102806202 B CN 102806202B
- Authority
- CN
- China
- Prior art keywords
- air distribution
- vibration
- fluid
- distribution plate
- bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A fluid-bed separator comprising a vibrating air distribution plate can be used for dry separation of coal, ore and other materials. The fluid-bed separator comprises a fluid-bed housing, a pressure stabilizing air distribution chamber, a feeding bucket, a discharge device, a dedusting seal cover, a vibrating air distribution device and a base. The dedusting seal cover is connected with the upper part of the fluid-bed housing; a fixing frame, the vibrating air distribution plate, a vibration exciter, a gas predistribution chamber, a gas predistributor and the base are connected with the lower part of the fluid-bed housing; vibration energy is transferred to a fluid bed through the vibrating air distribution plate to prevent bubbles from being generated in a fluid bed layer and form a uniform and stable fluidization state; materials in the fluid bed are layered according to the Archimedes principle; feeding is conducted above the front end of the fluid-bed housing; light products are discharged from above the tail end of the fluid-bed housing; heavy products are discharged from below the tail end of the fluid-bed housing, thereby realizing layering and separation of the materials according to different densities finally; and the separator reduces the effects of the bubbles in the fluid bed, the damage and loss of equipment structures caused by vibration, and unit energy consumption for material separation, and is efficient, energy-saving and environmentally friendly.
Description
Technical field
The present invention relates to a kind of dry separation equipment, specifically relate to a kind of vibration fluidized bed separator of air distribution plate that is applicable to coal and other sorting mineral, belong to mineral processing equipment technical field.
Background technology
On the coal and the processing of other sorting minerals of drought and water shortage, severe cold frost region, traditional wet sorting method is difficult to carry out, and Dry Coal Preparation by Air Dense-Media Fluidizedbed can meet this special sorting requirement preferably.Dry separation equipment mainly contains Duplex dry separator, air jigging separator and air dense medium fluidized bed dry method cull eliminator at present.Wherein the separating effect of air dense medium fluidized bed dry method cull eliminator is better, but fluid bed dry coal preparation technology ubiquity medium solid compared with slightly cannot form in high-quality fluidized state, fluid bed because of Bubble formation there is medium solid macroscopic view air-teturning mixed phenomenon, to deficiencies such as the separating effect of the following Bed for Fine Coal of 6mm are poor.Therefore vibratory liquefaction bed technique is introduced in Concentrating Field, for solving common gas-solid fluidized bed deficiency, due to the introducing of vibration, strengthen the contact between gas-solid two-phase, make medium solid in the time that granularity is very little, also can reach good fluidized state, greatly reduce raw meal particle size lower limit of separation, suppress even to have eliminated the generation of bubble in fluid bed, solved the contamination of products causing because of medium macroscopic view back-mixing.But vibrated fluidized bed dry coal preparation technology exists many weak points at present, and drive mechanism more complicated, causes vibrational energy to destroy bed drive mechanism, has affected the stability of device structure; Vibration source need to drive whole bed motion, and power consumption is large, and vibrational energy major part is used to non-effective content.
Summary of the invention
Technical problem: the object of the invention is the weak point for existing sorting technology, propose a kind of simple in structure, the efficiency of separation is high, reduce power consumption, the stable vibration fluidized bed separator of air distribution plate.
Technical scheme: the vibration fluidized bed separator of air distribution plate of the present invention, comprise fluid bed housing, fluid bed housing is provided with dedusting seal closure, fluid bed housing one upper lateral part is provided with feed bunker, fluid bed housing opposite side top is provided with light product discharge gate, bottom is provided with heavy product discharge gate, fluid bed housing lower end is provided with fixed frame, in fixed frame, being provided with amplitude is the vibration air distribution plate of 5mm, between vibration air distribution plate and fixed frame, be connected by rubber seal, under vibration air distribution plate, be connected with voltage stabilizing air compartment, voltage stabilizing air compartment inside is provided with the pre-ventilation terminal of the gas being connected with gas circuit, voltage stabilizing air compartment lower end is connected with base, base has mat base, described vibration air distribution plate both sides stretch out and connect two blocks of trapezoidal steel plates vertically downward, the described trapezoidal steel plate installation vibrator that tilts, is arranged with two crossbeams in trapezoidal steel plate, under two crossbeams, be respectively equipped with shock insulation spring, form an entirety by vibration air distribution plate, trapezoidal steel plate, vibrator and crossbeam and participate in vibration, between crossbeam and mat base, be connected by shock insulation spring, stop vibration to be transmitted.
Described fixed frame inside is hollow structure, and frame has the gap of 3cm along its length; Described vibration air distribution plate clips several metafiltration cloth by upper and lower two block plates and makes, and is evenly arranged aperture on steel plate, and upper lower steel plate connects with rivet; Described trapezoidal steel plate tilts the angle of inclination of vibrator is installed is 25 °.
Beneficial effect, the present invention by the external force field of air distribution plate vibration introduce common gas-solid fluidized bed in, strengthen the contact between gas-solid two-phase, form stable vibratory liquefaction bed, drive mechanism is more effectively simple, makes vibrational energy can act on efficiently material sorting, reduces power consumption, the stable operation of support equipment structure, realizes the dry separation of Bed for Fine Coal high-efficient energy-saving environment friendly.In the time that vibrator produces vibration, vibrational energy is directly passed in fluidized-bed layer by vibration air-distribution device, and other structures of fluid bed do not participate in vibration, have reduced the destruction loss of vibrational energy to device structure, have reduced the specific energy consumption of fluid bed separation material; Vibration is passed in fluid bed by vibration air distribution plate, suppress even to have eliminated the generation of bubble, reduce the impact of bubble on bed, improve bed fluidization characteristic, reduce the lower limit of separation of raw meal particle size, with existing dry coal preparation complete sets of Techniques, realize the dry separation of coal wholegrain level high-efficient energy-saving environment friendly.It is simple in structure, takes up room little, and stable performance, has practicality widely.
Brief description of the drawings
Fig. 1 is external form figure of the present invention;
Fig. 2 is the A-A cutaway view of external form figure of the present invention.
In figure: 1-fluid bed housing, 2-dedusting seal closure, 3-fixed frame, 4-vibrates air distribution plate, 5-feed bunker, the light product discharge gate of 6-, the heavy product discharge gate of 7-, 8-voltage stabilizing air compartment, the trapezoidal steel plate of 9-, 10-vibrator, 11-crossbeam, 12-mat base, 13-shock insulation spring, the pre-ventilation terminal of 14-gas, 15 bases.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of embodiment of the present invention is further described:
Air distribution plate of the present invention is vibration fluidized bed, mainly contains fluid bed housing 1, feed bunker 5, light product discharge gate 6, heavy product discharge gate 7, dedusting seal closure 2, fixed frame 3, vibration air distribution plate 4, trapezoidal steel plate 9, vibrator 10, voltage stabilizing air compartment 8, crossbeam 11, mat base 12, the pre-ventilation terminal 14 of gas, base 15 forms.Dedusting seal closure 2 is set on fluid bed housing 1, fluid bed housing 1 one upper lateral parts arrange feed bunker 5, fluid bed housing 1 opposite side top arranges light product discharge gate 6, make the even discharge of light product by liquid level is poor with impeller, fluid bed housing 1 bottom arranges heavy product discharge gate 7, by underflow impeller discharge; Fluid bed housing 1 lower end arranges fixed frame 3, described fixed frame 3 is hollow sealing frameworks, framework inside is without member, the fixed frame 3 along its length centre position on both sides leaves wide and isometric with the framework gap of 3cm, fixed frame 3 is interior arranges the vibration air distribution plate 4 that amplitude is 5mm, and vibration air distribution plate 4 passes therethrough; Vibration air distribution plate 4 clips several metafiltration cloth by upper and lower two block plates and makes, and is evenly arranged aperture on steel plate, and upper lower steel plate connects with rivet.Vibration air distribution plate 4 is arranged in fixed frame 3, connects and can up-down vibration by rubber seal; Vibration air distribution plate is connected with voltage stabilizing air compartment 84 times, and voltage stabilizing air compartment 8 inside are provided with the pre-ventilation terminal 14 of the gas being connected with gas circuit, and voltage stabilizing air compartment 8 lower ends are connected with base 15, and base 15 has mat base 12; Described vibration air distribution plate 4 both sides stretch out and connect two blocks of trapezoidal steel plates 9 vertically downward; The described trapezoidal steel plate 9 25 ° of installation vibrators 10 that tilt, are arranged with 11, two crossbeams of two crossbeams and are respectively equipped with shock insulation spring 13 11 times in trapezoidal steel plate 9; Form an entirety by vibration air distribution plate 4, trapezoidal steel plate 9, vibrator 10 and crossbeam 11 and participate in vibration, between crossbeam 11 and mat base 12, be connected by shock insulation spring 13, stop vibration to be transmitted.
Described vibration air distribution plate 4 broad ways stretch out and connect two blocks of trapezoidal steel plates 9 vertically downward; Described trapezoidal steel plate 9 outsides tilt to install vibrator 10, and the setting angle of this vibrator is 25 ° of left and right, and amplitude is in 5mm left and right, and this vibrator, by Frequency Converter Control, can make vibration frequency adjustable within the scope of 10 ~ 100 Hz; Described trapezoidal steel plate 9 lower ends connect two crossbeams 11, and this crossbeam 11 is connected by 4 shock insulation springs 13 with the mat base 12 of bottom; The pre-ventilation terminal 14 of gas is installed in described voltage stabilizing air compartment 8, and the pre-ventilation terminal of this gas is connected with outside blast apparatus, and voltage stabilizing air compartment 8 lower ends connect base 15.
Assorting room: a certain amount of powder medium solid is housed in fluid bed housing 1, by outside blast apparatus, the pre-ventilation terminal 14 of gas, voltage stabilizing air compartment 8 and vibration air distribution plate 4 are sent into compressed air to fluid bed housing 1, in the time that air-flow passes through vibration air distribution plate 4, vibrational energy has been strengthened the contact between air and powder medium solid, reduce the chance that particle bond is reunited, make fluid bed reach still or steep less effect, form uniform and stable fluidized state, in the time that material enters fluid bed from feed bunker 5, by Archimedes principle realize material in fluid bed by density stratification, light product floats along with overflow is discharged by light product discharge gate 6, heavy product sinks along with air distribution plate direction of vibration is discharged by heavy product discharge gate 7, thereby realize the efficient dry separation of material.
Claims (4)
1. the vibration fluidized bed separator of air distribution plate, it is characterized in that: it comprises fluid bed housing (1), fluid bed housing (1) is provided with dedusting seal closure (2), fluid bed housing (1) one upper lateral part is provided with feed bunker (5), fluid bed housing (1) opposite side top is provided with light product discharge gate (6), bottom is provided with heavy product discharge gate (7), fluid bed housing (1) lower end is provided with fixed frame (3), in fixed frame (3), being provided with amplitude is the vibration air distribution plate (4) of 5mm, between vibration air distribution plate (4) and fixed frame (3), be connected by rubber seal, under vibration air distribution plate (4), be connected with voltage stabilizing air compartment (8), voltage stabilizing air compartment (8) inside is provided with the pre-ventilation terminal of the gas being connected with gas circuit (14), voltage stabilizing air compartment (8) lower end is connected with base (15), base (15) has mat base (12), described vibration air distribution plate (4) both sides stretch out and connect two blocks of trapezoidal steel plates (9) vertically downward, described trapezoidal steel plate (9) tilts vibrator (10) is installed, and is arranged with two crossbeams (11) in trapezoidal steel plate (9), is respectively equipped with shock insulation spring (13) under two crossbeams (11), form an entirety by vibration air distribution plate (4), trapezoidal steel plate (9), vibrator (10) and crossbeam (11) and participate in vibration, between crossbeam (11) and mat base (12), be connected by shock insulation spring (13), stop vibration to be transmitted.
2. the vibration fluidized bed separator of air distribution plate according to claim 1, is characterized in that: described fixed frame (3) inside is hollow structure, and frame has gap along its length.
3. the vibration fluidized bed separator of air distribution plate according to claim 1, is characterized in that: described vibration air distribution plate (4) clips several metafiltration cloth by upper and lower two block plates and makes, and is evenly arranged aperture on steel plate, and upper lower steel plate connects with rivet.
4. the vibration fluidized bed separator of air distribution plate according to claim 1, is characterized in that: described trapezoidal steel plate (9) tilt install vibrator (10) angle of inclination be 25 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210339576.1A CN102806202B (en) | 2012-09-14 | 2012-09-14 | Fluid-bed separator comprising vibrating air distribution plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210339576.1A CN102806202B (en) | 2012-09-14 | 2012-09-14 | Fluid-bed separator comprising vibrating air distribution plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102806202A CN102806202A (en) | 2012-12-05 |
| CN102806202B true CN102806202B (en) | 2014-07-16 |
Family
ID=47230174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210339576.1A Active CN102806202B (en) | 2012-09-14 | 2012-09-14 | Fluid-bed separator comprising vibrating air distribution plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102806202B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2639005C1 (en) * | 2013-11-14 | 2017-12-19 | Эф-Эл-Смидт А/С | Classifier |
| CN110605177A (en) * | 2019-10-24 | 2019-12-24 | 中国矿业大学 | Differential gas-solid separation vibrating fluidized bed coal separation device and method |
| CN112090754A (en) * | 2020-09-02 | 2020-12-18 | 中北大学 | Bauxite particle desilication device and method based on density segregation theory |
| CN112934667A (en) * | 2021-01-25 | 2021-06-11 | 山西农业大学 | Simple and easy miscellaneous beans seed choice grading plant |
| CN115283254B (en) * | 2022-07-29 | 2023-08-25 | 中触媒新材料股份有限公司 | Rapid screening and activating system and method for air flow of oxygen-making adsorbent particles |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2097700A (en) * | 1981-04-30 | 1982-11-10 | Israel Mini Agricult | A fluidized bed separator |
| US4861464A (en) * | 1987-05-29 | 1989-08-29 | State Of Israel, Ministry Of Agriculture | Method and apparatus for separation using fluidized bed |
| CN201067743Y (en) * | 2006-11-22 | 2008-06-04 | 黄罕 | Modified composite dry method grading machine |
| CN202845326U (en) * | 2012-09-14 | 2013-04-03 | 中国矿业大学 | Wind-distribution plate vibrating type fluidized bed sorting machine |
-
2012
- 2012-09-14 CN CN201210339576.1A patent/CN102806202B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102806202A (en) | 2012-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202845326U (en) | Wind-distribution plate vibrating type fluidized bed sorting machine | |
| CN102806202B (en) | Fluid-bed separator comprising vibrating air distribution plate | |
| Luo et al. | Density-dependent separation of dry fine coal in a vibrated fluidized bed | |
| CN202506487U (en) | Vibrating type frictional electric separator | |
| CN102211086B (en) | Vibratory air dense media fluidized bed dry method sorting machine | |
| CN204672570U (en) | A kind of building stones screening installation | |
| CN102921636B (en) | Authigenic medium vibrated fluidized bed dry separating method | |
| CN205110130U (en) | Clean system is selected separately to coal wholegrain level dry process | |
| CN113171973A (en) | Mining coal screening plant | |
| CN106493067A (en) | A kind of multistage serosity vibrosieve | |
| CN106111533B (en) | A kind of mineral dry method vibration sorting unit and method | |
| AU2013385726A1 (en) | Dry separation apparatus and dry separation method | |
| CN109550583B (en) | Dry separator and process for pulverized coal vibration composite force field | |
| KR101833424B1 (en) | Dry Type Separation Apparatus | |
| CN1046102C (en) | Vibration fluidized-bed dry sorting method and apparatus for fine coal | |
| CN110227652A (en) | A kind of gravity separation equipment of power battery copper alumina particles | |
| CN206240785U (en) | A kind of material sorting device | |
| CN105381950A (en) | Large dry dense medium fluidized bed separation machine and separation system | |
| CN103240224A (en) | Air distribution plate large-amplitude vibrating fluidized bed sorting machine | |
| CN202097123U (en) | Dry-method sorting machine with vibrating air dense-medium fluidized bed | |
| CN209076188U (en) | A kind of double-deck linear vibrating screen of four motors Elastic Coupling | |
| CN114602807B (en) | Dry classification and dust removal integrated screening equipment and method for micro-fine particle materials | |
| CN203794104U (en) | Double-inclination-angle heavy-duty vibrating ore-drawing machine | |
| CN203030530U (en) | Authigenic medium vibrated fluidized bed dry method sorter | |
| CN202492129U (en) | Vibrating feeder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |