CN205980650U - Dry agitator - Google Patents
Dry agitator Download PDFInfo
- Publication number
- CN205980650U CN205980650U CN201620902084.2U CN201620902084U CN205980650U CN 205980650 U CN205980650 U CN 205980650U CN 201620902084 U CN201620902084 U CN 201620902084U CN 205980650 U CN205980650 U CN 205980650U
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- Prior art keywords
- ribbon
- dried
- agitator
- spiral
- central siphon
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Abstract
The utility model provides a dry agitator for silicon tetrachloride sediment thick liquid in the cold hydrogenation technology, including casing, (mixing) shaft, transmission, the casing encloses to establish and forms dry chamber, is equipped with feed inlet and discharge gate on the casing, the (mixing) shaft level is placed and is used for under gear drive stirring the thick liquids of dry intracavity at dry intracavity, the (mixing) shaft includes spindle nose, hollow central siphon, and the spindle nose is in the same place with the hollow shaft sealing of tube, is equipped with stirring paddle leaf on the hollow central siphon, and first spiral shell area and second spiral shell band -pass are crossed the bracing piece and is fixed on hollow central siphon to spiral around hollow central siphon, first spiral shell area and second spiral shell area be the spiral opposite direction on the left and right sides of hollow central siphon separately, and first spiral shell area with the spiral opposite direction in second spiral shell area, under the rotation of (mixing) shaft, remove from the both sides in dry chamber thick liquids in first spiral shell area to the centre, and remove from the centre in dry chamber thick liquids in second spiral shell area to both sides. This dry agitator can make thick liquids form the circulation flow, the stirring is dry even.
Description
Technical field
This utility model is related to technical field of polysilicon production and in particular to a kind of be dried agitator.
Background technology
Cold hydrogenation is to be converted into a large amount of silicon tetrachloride as by-product (STC) reacting generation in reduction furnace in polycrystalline silicon production
The process system of the raw material trichlorosilane (TCS) of synthesizing polysilicon；The raw material of this process system has silica flour, STC, hydrogen, HCl
Deng product is hydrogen, the mixture of STC and TCS, metal chloride and unreacted silica flour, the reactional equation being related to
Formula has Si+2H2+3SiCl4=4SiHCl3；Si+3HCl=SiHCl3+H2.This system pass through quencher by most of TCS, STC,
The separation of the useful material such as hydrogen, (i.e. silicon tetrachloride slag slurry mainly includes silicon to the wet slurry after cold hydrogenation process system chilling
Powder, metal chloride, liquid chlorosilane and hydrogen) drain into slurry drying device；Slurry drying device is used for wet slurry is carried out
Dry heat, chlorosilane gas and hydrogen are evaporated to reclaim, and dried solid and alkali liquor are neutralized place
Reason.
, during use, there is problems with existing drying device：Slurry does not form and circulates, and drying is stirred
Journey can produce blind area, there is uneven phenomenon of being heated.Therefore, it is necessary to provide one kind four chlorinations be applied to cold hydrogenation process
The brand-new drying device of silicon slurry.
Utility model content
In view of this, this utility model provides a kind of size circulations good fluidity, the cold hydrogenation work of stirring uniform drying
In skill, silicon tetrachloride slag slurry is dried agitator.
Embodiment of the present utility model provides and a kind of agitator is dried, for silicon tetrachloride slag slurry in cold hydrogenation process
Stirring is dried, the described agitator that is dried includes housing, shaft, actuating device, and described housing encloses and sets formation drying chamber, described shell
The top of body and bottom are respectively equipped with charging aperture and discharging opening；Described shaft lies in a horizontal plane in the described intracavity that is dried in institute
State and under the driving of actuating device, the described slurry that intracavity is dried is stirred；Wherein, described shaft includes spindle nose, hollow axle
Pipe, stirrer paddle, support bar, the first ribbon and the second ribbon, described spindle nose together with described hollow shaft pipe welding, described sky
Central spindle tube is provided with stirrer paddle, and described first ribbon and the second ribbon are fixed on described hollow central siphon by support bar, and
Spiral around described hollow central siphon；Described first ribbon and the left and right two of the described hollow central siphon of each leisure of described second ribbon
The hand of spiral on side is contrary, and described first ribbon is contrary with the hand of spiral of described second ribbon；In described shaft
Under rotation, slurry is advanced to middle by described first ribbon from the both sides of drying chamber, and described second ribbon makes slurry from described dry
The centre in dry chamber advances to both sides.
Wherein, the spiral side on the left and right sides of described first ribbon and the described hollow central siphon of each leisure of described second ribbon
To contrary, specially：
With the axis of symmetry of the vertical direction of described hollow central siphon as boundary, in the left side of described axis of symmetry, described first ribbon
The hand of spiral be left-handed, the hand of spiral of described second ribbon is dextrorotation；In the right side of described axis of symmetry, described first ribbon
The hand of spiral be dextrorotation, the hand of spiral of described second ribbon is left-handed.
Wherein, the radial distance of the axis away from described shaft for described first ribbon stirs away from described more than described second ribbon
Mix the radial distance of the axis of axle.
Wherein, described first ribbon is identical with the pitch of described second ribbon.
Wherein, described support bar and described first ribbon, the second ribbon have synchronous Spiral distribution.
Wherein, described stirrer paddle is around described hollow central siphon screw arrangement.
Wherein, the described agitator that is dried also includes chuck, and described chuck encloses the periphery being located at described housing, and with described shell
Form heating cavities between body, in described heating cavities, be filled with conduction oil, described chuck is provided with and described heating cavities
The heat conduction oil-in of connection, conduction oil outlet.
Wherein, described housing is additionally provided with heat-insulation layer, the material of described heat-insulation layer is rock wool.
Wherein, by bearing seat supports, the side wall of described housing is provided with end seat, described spindle nose at the two ends of described shaft
One end passes through the end seat of described housing to be connected with described actuating device.
Wherein, the top of described housing is additionally provided with gas outlet, and described gas outlet is used for connecting filter with to described
The gas that slurry produces in whipping process carries out filtering, purification.
Described in this utility model is dried agitator, during actuating device drives described shaft rotation, water
The shaft of placing flat is conducive to being stirred material up and down, then the cooperation in the first oppositely oriented ribbon, the second ribbon
Under, material circulates intracavity is dried defining, stirring material thoroughly no dead angle, makes dried material mix homogeneously, is difficult
Viscous wall, is not easy to lump.Even in addition, there being the material of part caking, stirrer paddle can also be during slurry be mobile
The material of part caking is smashed, makes slurry more tiny.After loop ends to be dried, soliqueous material is in the first spiral shell
Discharged by described discharging opening under the agitation of band.The described agitator that is dried can make silicon tetrachloride slag slurry in cold hydrogenation process be formed
Circulate, stir uniform drying, so that further technique application.
Brief description
Fig. 1 is the structural representation that agitator is dried in this utility model embodiment；
Fig. 2 is the structural representation of shaft in this utility model embodiment；
Fig. 3 is distribution schematic diagram on shaft for first ribbon in this utility model embodiment；
Fig. 4 is distribution schematic diagram on shaft for second ribbon in this utility model embodiment；
Fig. 5 is the schematic diagram of the race way that shaft is formed in stirring in this utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical scheme in this utility model embodiment
It is clearly and completely described.
See also Fig. 1-Fig. 5, be used for four in cold hydrogenation process for one kind that this utility model preferred embodiment provides
The structural representation that agitator 100 is dried of chlorination silicon slurry.
The described agitator 100 that is dried includes housing 1, shaft 2, actuating device 3 (label not shown in Fig. 1), described shell
Body 1 encloses and sets formation drying chamber, and the top of described housing 1 and bottom are respectively equipped with charging aperture 11 and discharging opening 12, preferably, institute
State the center that discharging opening 12 is located at described housing 1 bottom.Described shaft 2 lies in a horizontal plane in the described intracavity that is dried for described
Under the driving of actuating device 3, the described slurry that intracavity is dried is stirred.
As shown in Fig. 2 described shaft 2 includes spindle nose 21, hollow central siphon 22, stirrer paddle 23, support bar 24, the first spiral shell
Band 25 and the second ribbon 26, described spindle nose 21 is welded together with described hollow central siphon 22, and described hollow central siphon 22 is provided with and stirs
Mix blade 23, described first ribbon 25 and the second ribbon 26 are fixed on described hollow central siphon 22 by support bar 24, and spiral
Around described hollow central siphon 22；Hand of spiral phase on the left and right sides of described hollow central siphon 22 for described first ribbon 25
Instead, the hand of spiral on the left and right sides of described hollow central siphon 22 for described second ribbon 26 is contrary, and described first ribbon 25
Contrary with the hand of spiral of described second ribbon 26；Under the rotation of described shaft 2, described first ribbon 25 is by slurry from dry
Slurry is advanced to both sides from the centre of described drying chamber by the both sides in dry chamber to middle propulsion, described second ribbon 26.
In the application, the left and right sides of described first ribbon 25 and the described hollow central siphon 22 of each leisure of described second ribbon 26
On the hand of spiral contrary.Specifically, as shown in Figure 3 and Figure 4, the axis of symmetry with the vertical direction of described shaft 2 (Fig. 3,4
In vertical dotted line) be boundary, in the left side of described axis of symmetry, the hand of spiral of described first ribbon 25 is left-handed, described second
The hand of spiral of ribbon 26 is dextrorotation；On the right side of described axis of symmetry, the hand of spiral of described first ribbon 25 is dextrorotation, described
The hand of spiral of the second ribbon 26 is left-handed.In the application, the first oppositely oriented ribbon 25 of hollow central siphon 22 the right and left, all
Rotation direction shaft 2 center, by slurry simultaneously from two lateral middle propulsions of drying chamber；Hollow central siphon 22 the right and left is oppositely oriented
The second ribbon 26, by slurry from the centre of described drying chamber to both sides move；Because the first ribbon 25 and the second ribbon 26 exist
The hand of spiral on hollow central siphon 22 is contrary, and the first ribbon 25 promotes the direction of slurry motion different with the second ribbon 26, is easy to
Feed liquid is sufficiently mixed.
As shown in Figure 3 and Figure 4, the radial distance D1 of the axis away from described shaft 2 for described first ribbon 25 is more than described
The radial distance D2 of the axis away from described shaft 2 for second ribbon 26.That is, diameter (the axis projection face of described first ribbon 25
Long-pending) more than described second ribbon 26 diameter (axial projective area)；Described first ribbon 25 is dried 100, agitator away from described
More described second ribbon 26 of distance of wall is near.It is understood that the first ribbon 25, the second ribbon 26 are all stirred with described drying
The barrel of device 100 has a certain distance.
In present embodiment, pitch L1 of described first ribbon 25 is identical with pitch L2 of described second ribbon 26.
In the application, described first ribbon 25 is identical with the pitch of described second ribbon 26, and both rotation directions are always contrary,
Axial projective area is unequal.Described first ribbon 25 with described second ribbon 26 all around described hollow central siphon 22, but described
First ribbon 25 is not located at the periphery of described second ribbon 26, and both weld in intersection.
Described first ribbon 25, the second ribbon 26 are all to become helix shape by band-like steel band bending.The embodiment of the present application
In, described stirrer paddle 23 is welded on described hollow central siphon 22.Described first ribbon 25, the second ribbon 26 are all by propping up
Strut 24 is connected on hollow central siphon 22.
In present embodiment, described support bar 24 has synchronous spiral with described first ribbon 25, the second ribbon 26 and divides
Cloth.So more preferable supporting role can be played to described first ribbon 25, the second ribbon 26.
In the application one embodiment, described stirrer paddle 23 is around described hollow central siphon 22 screw arrangement.
The described agitator 100 that is dried also includes chuck 4, and described chuck 4 encloses the periphery being located at described housing 1, and with described
Form heating cavities between housing 1, in described heating cavities, be filled with conduction oil, described chuck 4 is provided with and described heating
The heat conduction oil-in 13 of cavity connection, conduction oil outlet 14.
Preferably, heat conduction oil-in 13 is arranged on the bottom of described housing 1, described conduction oil outlet 14 is arranged on described
The top of housing 1.
In the application, wet slurry silicon tetrachloride slag slurry under the stirring that agitator 100 is dried with chuck 4 in conduction oil
Indirectly carry out heat exchange and the chlorosilane gas in wet slurry are evaporated, heating no short circuit, dead band, flow velocity is high, heat transfer
Efficiency high, can isolate chlorosilane gas and slurry solidss.For using steam as heating medium, described lead
The heat transfer efficiency of deep fat is high, and the safety of conduction oil is good, and inertia is low, will not react with chlorosilane, and the temperature of conduction oil
Constant, it is easy to manipulate.
It is further preferred that described conduction oil can be T66 high temperature heat conductive oil or L-QD330 conduction oil.
In the application one embodiment, outside described housing 1, it is additionally provided with heat-insulation layer (not shown).Described chuck 4 can be reduced
The volatilization of interior conduction oil, the material of described heat-insulation layer can be rock wool.Round dot on housing 1 in Fig. 1 is to be welded on cylinder
Small cylinder, these raised small cylinders are for the ease of being coated on heat-insulation layer on housing.
The top of described housing 1 is additionally provided with a gas outlet 15.Described gas outlet 15 is used for connecting a filter, filters
Device can be used for the gas that silicon tetrachloride slag slurry produces in whipping process is carried out filtering, purification, so as to the gas after filtering
Carry out further with.
The two ends (spindle noses 21 at two ends) of described shaft 2 are supported by bearing block 5.Wherein, one end of described spindle nose 21
It is being connected with described actuating device 3 through after the end seat 16 on described housing 1.
Described actuating device 3 is arranged on the side wall of described housing 1.Described actuating device 3 is connected with described shaft 2,
Send power to shaft 2, to drive described shaft 2 to rotate, and then the material that intracavity is dried be stirred, be easy to by
The material that intracavity is dried fully is dried.
Further, described actuating device 3 includes motor 31, shaft coupling 32, decelerator 33, minor sprocket 34, big sprocket wheel 35.
Described motor 31 is connected transmission by shaft coupling 32, decelerator 33, minor sprocket 34, big sprocket wheel 35 with described shaft 2.
The carrying out practically that this is dried agitator 100 is as follows, and energising rear motor 31 rotates, and drives to deceleration by shaft coupling 32
Device 33, the reduction of rotating speed realized by decelerator 33, and decelerator 33 is connected by axle with minor sprocket (drive sprocket) 34.Minor sprocket 34 leads to
Cross chain (not shown) to drive to big sprocket wheel (by movable sprocket) 35 (rotating ratio of large and small sprocket wheel is 1：3), big sprocket wheel 35 is passed through again
Round end flat key connects drive shaft 2 and rotates.
When being ready for stirring, conduction oil is passed through in the chuck 4 that agitator 100 is dried, agitator 100 is dried and starts
Heat up, after temperature reaches the temperature of technological requirement, wet slurry is added to by charging aperture 11 intracavity is dried, in shaft 2
Under rotation, wet slurry constantly circulates intracavity is dried, and is passed into the conduction oil indirectly heat of chuck 4, simultaneously in ribbon and
It is sufficiently mixed under the stirring of stirrer paddle 23, dried solid residue is expelled to washing bag from the discharging opening 12 in the middle of drying machine
Process, the gas evaporating in wet slurry can enter filter from the gas outlet being dried agitator 100, and it is single to reach recovery
Unit is recovered.
The described agitator 100 that is dried also includes frame 6, and described housing 1 is installed in described frame with described actuating device 3
On 6., in order to the fixing and part such as support housing 1, motor 31, shaft coupling 32, decelerator 33, described frame 6 is permissible for described frame 6
It is by the steel structure platform of channel-section steel, angle steel welding.
In the application, during actuating device 3 drives described shaft 2 rotation, the shaft 2 of horizontal positioned is favourable
In being stirred material up and down, then under the first oppositely oriented ribbon 25, the cooperation of the second ribbon 26, material is in drying chamber
Inside define and circulate, the thorough no dead angle of stirring material, make dried material mix homogeneously, wall not easy to stick, it is not easy to lump,
Also greatly shorten arid cycle (charging, dry stirring, discharging) simultaneously.Even in addition, having the material of part caking, stirring paddle
The material of part caking can also be smashed during slurry is mobile by leaf 23, makes slurry more tiny.To be dried follow
After ring terminates, soliqueous material is discharged by described discharging opening 12 under the agitation of the first ribbon 25.
Additionally, adopting the shaft shown in Fig. 2 slurry can be formed 4 race ways (as Fig. 5) in the application, because
This, what this utility model provided be dried agitator is more full and uniform to the stirring of slurry, stirring efficiency is higher.Slurry can also be saved
The dried discharge time.
The above is preferred implementation of the present utility model, but can not therefore be interpreted as special to this utility model
The restriction of sharp scope.It should be pointed out that for those skilled in the art, without departing from this utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (9)
1. a kind of agitator is dried, for silicon tetrachloride slag slurry in cold hydrogenation process it is characterised in that described be dried agitator bag
Include housing, shaft, actuating device, described housing encloses and sets formation drying chamber, the top of described housing and bottom be respectively equipped with into
Material mouth and discharging opening；Described shaft lies in a horizontal plane in the described intracavity that is dried for doing to described under the driving of institute's actuating device
The slurry of dry intracavity is stirred；Wherein, described shaft includes spindle nose, hollow central siphon, stirrer paddle, support bar, the first spiral shell
Band and the second ribbon, together with described hollow shaft pipe welding, described hollow central siphon is provided with stirrer paddle to described spindle nose, described
First ribbon and the second ribbon are fixed on described hollow central siphon by support bar, and spiral around described hollow central siphon；
Described first ribbon is contrary and described with the hand of spiral on the left and right sides of the described hollow central siphon of each leisure of described second ribbon
First ribbon is contrary with the hand of spiral of described second ribbon；Under the rotation of described shaft, described first ribbon is by slurry
From the both sides of drying chamber to middle propulsion, slurry is advanced to both sides by described second ribbon from the centre of described drying chamber.
2. agitator is dried as claimed in claim 1 it is characterised in that each leisure with described second ribbon of described first ribbon
The hand of spiral on the left and right sides of described hollow central siphon is contrary, specially：
With the axis of symmetry of the vertical direction of described hollow central siphon as boundary, in the left side of described axis of symmetry, the spiral shell of described first ribbon
Rotation direction is left-handed, and the hand of spiral of described second ribbon is dextrorotation；In the right side of described axis of symmetry, the spiral shell of described first ribbon
Rotation direction is dextrorotation, and the hand of spiral of described second ribbon is left-handed.
3. agitator is dried as claimed in claim 1 it is characterised in that the axis away from described shaft for described first ribbon
Radial distance is more than the radial distance of the axis away from described shaft for described second ribbon.
4. agitator is dried as claimed in claim 1 it is characterised in that the pitch of described first ribbon and described second ribbon
Identical.
5. agitator is dried as claimed in claim 1 it is characterised in that described support bar and described first ribbon, the second spiral shell
Band has synchronous Spiral distribution.
6. agitator is dried it is characterised in that described stirrer paddle is around described hollow central siphon as described in claim 1 or 4
Screw arrangement.
7. agitator is dried as claimed in claim 1 it is characterised in that the described agitator that is dried also includes chuck, described folder
Set encloses the periphery being located at described housing, and forms heating cavities and described housing between, is filled with heat conduction in described heating cavities
Oil, described chuck is provided with the heat conduction oil-in being connected with described heating cavities, conduction oil outlet.
8. agitator is dried as claimed in claim 1 it is characterised in that being additionally provided with heat-insulation layer on described housing, described insulation
The material of layer is rock wool.
9. agitator is dried it is characterised in that the top of described housing is additionally provided with a gas as described in any one of claim 1-8
Body exports, and described gas outlet is used for connection one filter and was carried out with the gas that described slurry is produced in whipping process
Filter, purification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620902084.2U CN205980650U (en) | 2016-08-18 | 2016-08-18 | Dry agitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620902084.2U CN205980650U (en) | 2016-08-18 | 2016-08-18 | Dry agitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205980650U true CN205980650U (en) | 2017-02-22 |
Family
ID=58032448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620902084.2U Expired - Fee Related CN205980650U (en) | 2016-08-18 | 2016-08-18 | Dry agitator |
Country Status (1)
| Country | Link |
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| CN (1) | CN205980650U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324081A (en) * | 2017-08-10 | 2017-11-07 | 海宁常青节能科技有限公司 | A kind of Pneumatic conveyer of granular material |
| CN107478026A (en) * | 2017-09-14 | 2017-12-15 | 无锡市强力干燥设备厂 | The drying baker of material is stirred by multiple annular railings |
| CN108413764A (en) * | 2018-04-10 | 2018-08-17 | 江西东旺动物微生物有限公司 | A kind of oar blade type dryer with damping effect |
| CN108889760A (en) * | 2018-05-09 | 2018-11-27 | 陈善堂 | A kind of regeneration device and application method of Oil Paint Slag |
| CN110090576A (en) * | 2019-06-06 | 2019-08-06 | 江西中医药大学 | Solid-liquid mixing and heating device |
-
2016
- 2016-08-18 CN CN201620902084.2U patent/CN205980650U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324081A (en) * | 2017-08-10 | 2017-11-07 | 海宁常青节能科技有限公司 | A kind of Pneumatic conveyer of granular material |
| CN107478026A (en) * | 2017-09-14 | 2017-12-15 | 无锡市强力干燥设备厂 | The drying baker of material is stirred by multiple annular railings |
| CN108413764A (en) * | 2018-04-10 | 2018-08-17 | 江西东旺动物微生物有限公司 | A kind of oar blade type dryer with damping effect |
| CN108889760A (en) * | 2018-05-09 | 2018-11-27 | 陈善堂 | A kind of regeneration device and application method of Oil Paint Slag |
| CN110090576A (en) * | 2019-06-06 | 2019-08-06 | 江西中医药大学 | Solid-liquid mixing and heating device |
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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: 20170222 Termination date: 20200818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |