CN1966163A - Fluid bed apparatus for continuously separating two kinds of solid phase mixer - Google Patents
Fluid bed apparatus for continuously separating two kinds of solid phase mixer Download PDFInfo
- Publication number
- CN1966163A CN1966163A CN 200510101291 CN200510101291A CN1966163A CN 1966163 A CN1966163 A CN 1966163A CN 200510101291 CN200510101291 CN 200510101291 CN 200510101291 A CN200510101291 A CN 200510101291A CN 1966163 A CN1966163 A CN 1966163A
- Authority
- CN
- China
- Prior art keywords
- fluidisation
- solid formation
- solid
- vibration
- kinds
- 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.)
- Pending
Links
Abstract
The invention relates to a fluidize bed used to separate two kinds of solid mixtures, wherein said device comprises a box suspended by flexible device and formed by upper and lower boxes; porous wall plate between the upper and lower boxes; at least one gas inlet tube and gas outlet tube. The invention is characterized in that: the upper box comprises one device for feeding two kinds of solid mixtures, one ascending overflow tube at the surface of box to overflow the fluidized solid, one device for discharging the deposited solid, and one device for vibrating periodically and transmitting one vibration component reverse to the ascending overflow tube to the porous wall plate.
Description
Technical field
The relevant a kind of equipment that is used for separating two kinds of solid-phase mixtures of the present invention with the fluid bed form, wherein, a kind of solid formation is made up of fluidisable dusty material, and another kind of solid formation is made up of not fluidisable material under preceding a kind of his condition of material fluid.
Background technology
" fluidisable material " this term refers to: the known all that material of people of being proficient in this technology.These materials exist with powder type, and there are following situation in its particle size and cohesive force, be that injection air low speed causes that the mutual cohesive force of powder particle reduces when flowing through these materials, internal friction also reduces, such material has for instance: plan aluminium oxide with thousand pyrogenic process electrolysis, cement, plaster, lime (quick lime or white lime), flyash, calcirm-fluoride, rubber adds inserts, starch, catalyst, carbon dust, sodium sulphate, phosphate, pyrophosphate, the plastic material of powder type, the food processing product is milk powder for example, flour or the like.
As everyone knows, the side of many convey materials is toward the problem that becomes the research and development fluid bed, with these methods dusty material is transported to the consumption location that at least one supplies the sort of material by storage area: these two zones are separated by a distance to each other, for example: sack filling machine, the profit material is put into machine in the container or the process units as extruder etc.
An example of these methods is devices from aluminium oxide system aluminium to the pyrogenic process electrolytic cell that supply with, and at this moment, the problem that people ran into of being familiar with this technology is that dusty material is the transportation problem that aluminium oxide is crossed over a long distance.Be stored in material in the big capacity silo and plan supply with when silo hundreds of rice job shop far away uses, the transportation problem of being forced is a long time ago by adopting removable container or high-pressure pneumatic induction system or mechanical conveyer to solve.
Yet, carry the equipment of aluminium oxide in special document, also to mention with fluidized bed process.These equipment a kind of, for example, the equipment that being intended for use aluminium oxide is supplied with many places electrolysis pomegranate described in U.S. Pat 4016053.Recommendation is used for aluminium oxide is comprised following a few part by this equipment that storage area is transported to consumption location: first, the first order fluid bed conveyer of air feed and exhaust apparatus is housed, this gas is used for making all the time the aluminium oxide fluidisation and makes above-mentioned first order conveyer be full of the fluidisation material basically: inferior altogether, a plurality of second level fluid bed conveyer of supply same as described above and discharge fluid oxidizing gases device is housed, in order to receive and to transport from the rich f material of the powder of first order conveyer and to make it remain on the same lasting fluidised state that is had in the first order conveyer; At last, be used for off and on dusty material being supplied with the equipment of each electrolytic cell.
Carry any equipment of dusty material such as aluminium oxide for example with the fluid bed form,, that is to say as long as the sort of material is uniformly, as long as but the sort of dusty material that is transported constitutes a kind of single fluidisation thing, and its running all is gratifying.
Yet, when in case the material that transports with the fluid bed conveyer is made up of two kinds of solid-phase mixtures that mix mutually, wherein a kind of sedimentation under the one other fluid condition, the fluid bed conveyer just runs into a series of troubles, hinder the normal operation of this system, well the mobile of body formed material that can cause filtering gets clogged, because those materials that are deposited on the fluid bed wall cause forming preferential gas channel, therefore, transport aluminium oxide with the fluid bed conveyer, may under aluminium chloride fluidisation condition, have another solid formation and be adversely affected by thousand.
This problem produces especially in the following cases, that is: in supplying with the system of electrolytic cell aluminium oxide with system, when the recycling aluminium oxide, because its characterization of adsorption, aluminium oxide often is used for connecting by electrolytic cell at its producible fluoride waste in service.Those have been stained with the aluminium oxide that concentrates at refuse together and have tended to form agglomerate closely: this agglomerate is called as " alumina scale " with the sector term, and disturbs the operate as normal of liquefied bed feeding device.
Summary of the invention
The purpose of this invention is to provide a kind of equipment that separates two section's solid phase mouth mixtures with the fluidisation form, wherein, a kind of solid formation is made up of fluidisable dusty material, and another kind of solid formation is made up of not fluidisable material under above-mentioned the sort of solid formation fluidisation condition.
According to the present invention, this equipment is made up of a fluid bed casing of installing with the elastic device suspension.This casing comprises a nowel that is flowed by supplied gas and disguises for the Pu body that the top box that fluidised dusty material flows is formed to be put.A porous fluidisation wallboard also comprises at least one air feed pipe and at least one pipe by top box discharge fluid oxidizing gases to nowel between last nowel, it is characterized in that: the top box that flows for dusty material is equipped with:
A) device of sending two kinds of solid-phase mixtures that will separate with regular flow velocity to;
B) one is positioned on the vertical plane. for the overflow pipe of discharging fluidised solid formation;
C) the vibration with following characteristic of handle is sent to the periodic vibration device on the porous fluidisation wallboard plane, this vibration has an oscillating component, and it points to, and direction with the vertical plane that the overflow pipe is housed is opposite also to make this sedimentation solid formation move with counter-current relationship; And,
D) device of discharging the sedimentation solid formation.
Send the position whatsoever of upper surface that the device of two kinds of solid-phase mixtures that will separate can position thousand these equipment to conventional flow velocity; But, wish that this device is positioned at opposite direction one side of the discharging position of fluidised solid formation.
This overflow pipe can overflow material thus and realizes the discharging of fluidised solid formation.This Guan Youyi deflection device is in order to be connected on the fixing rear portion output pipe, and for example, this deflection device can be the corrugated rubber pipe.
In order to supply sedimentation solid formation discharging and to make its even condition that distributes and don't disturb formation, stretched bed above the porous wallboard.The vibration of one-period is sent on this porous wallboard, and this periodic vibration can produce with the known any source of holding of person skilled in the art person; For example, moving with the machinery pick that an adjustable sequential timer is controlled, electric and magnetic oscillation, pneumatic, surge etc. and all can, this timer can vibrate vibration source at interval at setting-up time with official hour in the cycle, like this, be that 750～1500N/ branch, amplitude are 2～5 millimeters vibration for frequency, this value is corresponding with the vibration of " vibratory sieve " class standard industrial equipment, the time cycle of this vibration source work is 1～3 minute, and its rate of starting is 2～4 times/hour.In addition, this vibration must be pointed to the discharging direction of sedimentation solid formation; That is to say, with fluidised solid formation discharging side in the opposite direction.This vibration also must have a component that points to vertically upward; The plane of the dried relatively porous fluidisation of its vector wallboard tilts.
The axis of oscillating movement preferably passes through the orthocenter of this equipment, and with respect to plumb line inclination a angle.This angle can fix in 0 °～70 ° scopes.Yet these are worth not as absolute boundary line of the present invention.In fact the value of Shi Yonging is usually between 20 °～60 °.The optimum value of a is about 45 °.
The solid formation of his sedimentation in other words of the sort of nonfluid under the effect of periodic directional vibration, on the direction opposite with fluidised solid formation flow direction, above maintenance level or substantially horizontal porous wallboard, moves forward.In fact, in order not change the even distribution that is deposited in this sedimentation solid formation on the porous wallboard, thereby also just do not disturb the fluidisation condition, it is necessary that this porous wallboard is horizontal, yet the angle that departs from horizontal level also allows less than 3 °.
Even the quantity of this precipitum is few, can not allow it in a long time cycle, on the direction opposite, in casing, accumulate in fluidised solid formation flow direction its drill to the end.Therefore, it must be with a kind of fluidised device that does not disturb another kind of solid formation basically, and periodically by discharging in the casing and reclaiming, this device will be narrated below, a container of storing the sedimentation solid formation is set in the end of this casing also be fine.
For the objective device of storing the sedimentation solid formation, for example, to form by a cylinder or prism, itself can be equipped with a fluidisation device, and its porous fluidisation wallboard is level or substantially horizontal.
When being equipped with the container of storing the sedimentation solid formation, this container one-period property is also arranged draws off the device of this kind material.This just makes works as equipment just in the running, and this device not only can but also can separate fluid bed this container with separation equipment.This device for discharging can be gate for example, and perhaps any be equivalent device known to the those skilled in the art round in addition.
With reference to vertical cross section shown in Figure 1, the present invention is done more detailed description below by the explanation of a specific embodiment.According to this figure, the fluid unit that separates two kinds of solid formations comprises: the nowel 1 that supplied gas flows, one for the mobile top box 2 of fluidisation dusty material, 3, one of a porous fluidisation wallboard is used for feeding pipeline 4 and pipeline 5 that is used for being discharged by top box the fluid oxidizing gases of fluidisation gas.
This top box also is equipped with a device (not shown) of sending two kinds of solid-phase mixtures that will separate with regular flow velocity to; This device is contained on the top box by the pipeline 6 that is connecting flexible pipe 8,
Overflow pipe 7 is contained in the other end with the position opposite of the device of sending two kinds of solid-phase mixtures to, and this overflow pipe makes the fluidisation material can be by overflowing in the separation equipment.This overflow pipe 7 is equipped with a rear portion transfer pipeline (not shown) that separation equipment can be fixed together equally
The flexible pipe 8a that is connected.A directional vibration device of representing with arrow 9 makes generation vibration on the porous fluidisation wallboard, and it is universal opposite with fluidized bed moving direction (as shown in arrow 10).Above-mentioned vibration makes this sedimentation solid formation move on direction as shown in arrow 11.
A dividing plate 12 tilts up to be contained in the end of device 6 positions of sending two kinds of solid-phase mixtures that will separate to.In the bottom of this vibration isolation, on the horizontal level of porous wallboard, has an opening 13.Opening length is substantially equal to the width of porous wallboard 3, and open height
Must adapt with the maximum particle size of sedimentation solid formation.This opening 13 can be equipped with a device that represent with arrow 13a, that control opens and closes.When part 13a opened or removes, the sedimentation solid formation must be with a certain amount of fluidisation dusty material to accumulate in the container 14.This dividing plate 12 also has an opening 18 at an upper portion thereof in addition, so that fluidisation gas flows out to top box 2.
In this illustrated embodiment, container 14 is equipped with a connector 8b by valve 16 and 17 blocking devices that limited 15 and a soft deflection.
Open Fujian door 16 and just can make the sedimentation solid formation that separated by entering blocking device 15, valve-off 16 is opened then that valve 17 just can be held in both hands out this sedimentation solid formation and is not therefore disturbed the equipment that separates two kinds of solid-phase mixtures continuously to run well.
The makeup of one fluid also is housed in the bottom of container 14 puts under the situation of (not shown), following proposal is noticeable, that is: make inclined surface have an opening 18, makes the stream spare gasification physical efficiency that upwards flows in container 14 overflow via top box 2.
When not having blocking device 15, the sedimentation solid formation is under the effect of control device 13a, by periodically opening opening 13 dischargings, then.This sedimentation solid formation is collected in any container or the jar of discussing.
Since equipment of the present invention be suspension support on elastic device 19, thereby it can be actuated with the vibration of label 9 expression.
In use Hall one Ai Lute low-lying area (Hall-Hefoult process) aluminium oxide is supplied with in the commercial plant of pyrogenic process electrolytic cell with system aluminium, include with fluidized bed process aluminium oxide is transported to the equipment of at least one consumption location by storage area, and equipment according to the present invention is often used for realizing that two kinds of solid phases mix the fluid bed of platform thing and separate.Wherein, a kind of solid formation is made up of aluminium oxide, and another kind of solid formation is continued by not fluidisable material under first solid formation fluidisation condition, that is to say, is made up of the agglomerate (" alumina scale ") of aluminium oxide.
Be contained in the front portion that the fluid bed aluminium oxide is carried the group in the following manner according to equipment of the present invention, so that have only fluidised solid formation to be transported to electrolytic cell with this conveyer.And another kind of sedimentation solid formation was removed from this conveying device before the normal operation of disturbing the fluid bed conveyer.
Equipment according to the present invention is 3 meters long, 60 centimetres wide.Nowel 1 is 10 centimetres high, and the top box 2 that vibrates for the fluidisation dusty material is 45 centimetres high.
The surface area of porous fluidisation wallboard 3 is 1.5 meter 2.600 millimeters water osmanthus of the pressure of the fluidisation gas in casing (5880 handkerchief), and the total flow of gas is 2 standard meters
3/ minute.Root is dug equipment of the present invention and is supplied with the mixed platform thing of two kinds of solid phases (aluminium oxide and agglomerate) to it regularly with the speed in 6 tons in every little state.
Directional vibration is by producing just like arrow 9 represented unbalanced vibrators.The sensing axis of this vibration and the angle of cut of horizontal plane are 45 °.Its vibration frequency is 1500 cycle per minutes, and amplitude is 4 millimeters.
A time of vibration of this vibrator is 2 minutes, per hour vibrates 2 times.
This device turned round six months continuously.During this period, with this device processes 26000 tons of aluminium oxide.Wherein, can remove 5100 kilograms of sedimentation solid formations, that is to say, on average, have 0.2 kilogram of sedimentation solid formation to be removed in the aluminium oxide per ton approximately by opening 13.
Between whole on-stream period, aluminium oxide is supplied with the on-stream any fault that produces owing to " alumina scale " or other undesirable agglomerates of not taking place of this fluid unit of electrolytic cell.
Claims (5)
1, a kind of fluid unit that is used to separate two kinds of solid-phase mixtures.Wherein, a kind of solid formation is made up of fluidisable dusty material, and another kind of solid formation is by under preceding a kind of solid formation fluidisation condition, not fluidisable material is formed, this equipment comprises: one with suspend work of elastic device, and nowel (1) that flows by supplied gas and the casing of forming for the top box (2) that the fluidisation dusty material flows, the porous fluidisation wallboard (3) that a basic horizontal is arranged between top box and nowel, also comprise at least one pipeline (4) and at least one pipeline (5) of being discharged by top box (2) with thousand fluidisation gases that is used for to nowel (1) air feed in addition, it is characterized in that this top box (2) comprising: one is positioned on the casing vertical surface in order to overflow the overflow pipe (7) of fluidisation solid formation.
A dividing plate (12) is positioned at the end with the top box (2) of overflow pipe (7) position opposite, locate a device (6) that is used for sending to regularly two kinds of solid-phase mixtures that will separate at dividing plate (12), a device that is used for discharging from porous plate (3) periodically the sedimentation solid formation, and
One casing that is being suspended by elastic device is equipped with one and is used to produce periodic vibration and this vibration is sent to the device (9) that the porous wallboard gets on, and this vibration has an oscillating component, and its sensing is opposite with the direction of overflow pipe (7).
According to a kind of fluid unit of claim 1, it is characterized in that 2, this equipment comprises that is used for a periodically vibrative device, ask to be 1～3 minute during its vibration lasting, flutter rate is per hour 2～4 times.
3, according to a kind of fluid unit of claim 1, it is characterized in that: this porous fluidisation wallboard (3) is level basically, and the angle of itself and Yongping face is less than 30 °.
4, according to a kind of fluid unit of claim 1, it is characterized in that: the device that is used to discharge the sedimentation solid formation is made up of a hold-up vessel (14): this container (14) is connected to the blocking device (15) that is isolated between charging valve (16) and the discharge valve (17).
According to any one equipment in the claim 1～4, it is characterized in that 5, it is used to aluminium oxide supplied with uses Hall--Ai Lutefa, with many electrolytic cells of pyrogenic process electrolysis system aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510101291 CN1966163A (en) | 2005-11-15 | 2005-11-15 | Fluid bed apparatus for continuously separating two kinds of solid phase mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510101291 CN1966163A (en) | 2005-11-15 | 2005-11-15 | Fluid bed apparatus for continuously separating two kinds of solid phase mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1966163A true CN1966163A (en) | 2007-05-23 |
Family
ID=38075242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510101291 Pending CN1966163A (en) | 2005-11-15 | 2005-11-15 | Fluid bed apparatus for continuously separating two kinds of solid phase mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1966163A (en) |
-
2005
- 2005-11-15 CN CN 200510101291 patent/CN1966163A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN86100050A (en) | Be used for the fluid unit that two kinds of solid-phase mixtures separate continuously | |
| CN1275827C (en) | Power filling method and apparatus | |
| CN1038531C (en) | Method for booking accurate weight of loading of loose material and supplying apparatus | |
| CN101087663A (en) | Fines removal apparatus and methods/systems regarding same | |
| AU2010316943A1 (en) | Potential fluidization device for conveying powder materials in a hyperdense bed | |
| CN205110130U (en) | Clean system is selected separately to coal wholegrain level dry process | |
| CN102921636B (en) | Authigenic medium vibrated fluidized bed dry separating method | |
| JPS59502101A (en) | Powder material conveyance device | |
| US4165133A (en) | Material handling system for wide range of materials and flow rates | |
| US7234493B2 (en) | Device and method for transferring a dusty powdery grain-like or granular conveyed material out of a storage receptacle and into a working or transfer receptacle or a similar accomodating space | |
| CN107233995A (en) | It is a kind of that bed dry coal dressing machine is fluidized from medium gas-particle two-phase based on bed point plate | |
| CN108002037A (en) | A kind of full-automatic PVC powder concentrates negative pressure feeding system | |
| CN1966163A (en) | Fluid bed apparatus for continuously separating two kinds of solid phase mixer | |
| US5524768A (en) | Separator for the separation of fluidizable from non-fluidizable materials | |
| GB1579049A (en) | Feeding and discharging particulate material | |
| CN104591574A (en) | Equipment and process for producing tailing micro powder, dry-mixed mortar and filling cementing material | |
| CN210820249U (en) | Automatic production system for water stabilizing material | |
| CN1775630A (en) | Powder packing method and apparatus therefor | |
| US4857177A (en) | Dry separation of solids | |
| CN206587917U (en) | Centrifuge the dry method cull eliminator that drifts along | |
| US20140241818A1 (en) | Method and device for dispensing a fluidizable material and installation including such a device | |
| SU1321642A1 (en) | Device for loading vessels with loose material | |
| CN213975437U (en) | Internal vibration type discharging device for batching scale bucket | |
| JPH07304518A (en) | Pneumatic transportation method for powder/grain and device therefor | |
| Matiukhin et al. | Improvement of transportation mechanism of dispersed materials in hoppers by gas-dynamic methods |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |