CN104998765B - A kind of material-pulling device of horizontal decanter centrifuge - Google Patents
A kind of material-pulling device of horizontal decanter centrifuge Download PDFInfo
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- CN104998765B CN104998765B CN201510391982.6A CN201510391982A CN104998765B CN 104998765 B CN104998765 B CN 104998765B CN 201510391982 A CN201510391982 A CN 201510391982A CN 104998765 B CN104998765 B CN 104998765B
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Abstract
The present invention proposes a kind of material-pulling device of horizontal decanter centrifuge, including rotary drum, augers, first stock stop and the second stock stop, augers are rotatablely installed in rotary drum, and be co-axially mounted with rotary drum, augers are driven by drive device to be rotated, augers include hollow mandrel and helical blade, mandrel includes mandrel cylindrical section and mandrel frustum section, the profile of rotary drum is adapted with mandrel, mandrel cylindrical section is provided with the first stock stop on the outside of the end of mandrel frustum section, first stock stop is set on mandrel cylindrical section, and can be slided along mandrel cylindrical section, first stock stop is connected with spring close to the side of mandrel frustum section, second stock stop is arranged at side of first stock stop away from mandrel frustum section, after spring is extruded, first stock stop and the second stock stop have can be by the passage of material.The present invention can obtain the solid phase of higher mass dryness fraction in separation of solid and liquid process.
Description
Technical field
The present invention relates to Centrifuge Techniques field, more particularly to a kind of material-pulling device of horizontal decanter centrifuge.
Background technology
Horizontal decanter centrifuge, which is utilized in mixed liquor, has different densities and immiscible light, heavy-fluid and solid phase, from
The principle of different sinking speed is obtained in mental and physical efforts, separation layering is reached or makes the purpose of solid particles sediment in liquid.It is existing
The solid phase water content of some horizontal decanter centrifuge discharges is larger, it is impossible to meets the low solid phase discharge of water content and requires.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of material-pulling device of horizontal decanter centrifuge.
A kind of material-pulling device of horizontal decanter centrifuge proposed by the present invention, including rotary drum, augers, the first backgauge
Device and the second stock stop, augers are rotatablely installed in rotary drum, and are co-axially mounted with rotary drum, and augers are filled by driving
Driving rotation is put, augers include hollow mandrel and helical blade, and mandrel includes mandrel cylindrical section and mandrel frustum section,
The profile of rotary drum is adapted with mandrel, in the inner chamber of position mandrel cylindrical section be provided with the first barrier and the second barrier, the first barrier and
The position that second barrier surrounds correspondence distribution cavity on distribution cavity, mandrel in mandrel inner chamber is provided with charging aperture, and mandrel is set in inner chamber
There is the feed pipe for extending to distribution cavity, mandrel cylindrical section is provided with the first stock stop, first on the outside of the end of mandrel frustum section
Stock stop is set on mandrel cylindrical section, and can the slip of mandrel cylindrical section, side company of first stock stop close to mandrel frustum section
Spring is connected to, the spring other end is fixed with mandrel, soft separation sleeve of the spring outwards provided with the first stock stop of connection and mandrel is soft
Matter separation sleeve can be compressed, and the first stock stop includes first annular plate and extended to first annular plate away from mandrel frustum section side
Columnar first extension, the second stock stop is arranged at side of first stock stop away from mandrel frustum section, the second backgauge
Device includes the second annular slab for being fixed on drum inner wall and the cylindrical shape to the close mandrel frustum section side extension of the second annular slab
The second extension, the first extension is set on the outside of the second extension, and the first stock stop has radial clearance with drum inner wall,
There is radial clearance in the second stock stop, when the first stock stop is moved, exist between the first stock stop and the second stock stop with mandrel
Filter bores are equipped with the material channel that can be connected or close, first annular plate and the second annular slab.
Preferably, the first extension is in that second prolongs close to the small tapered cylinder shape of the big other end in end of mandrel frustum section
Extending portion is in the small tapered cylinder shape of the big other end in end away from mandrel frustum section.
Preferably, the first extension and the second extension are respectively along first annular plate outward flange and the inner edge of the second annular slab
Edge is set.
Preferably, feed pipe passes through face relative with feed pipe outlet in the first barrier, the second barrier provided with projection.
Preferably, soft separation sleeve is made of plastic material.
The material-pulling device of a kind of horizontal decanter centrifuge provided in the present invention, by setting the first stock stop and second gear
Glassware, the mixed material containing partially liq extrudes the first annular plate of the first stock stop, is pushed away forward by extruding opening solid phase
The passage entered, in extrusion process, material is extruded, slough containing liquid, opposite direction stream of the liquid from the solid phase direction of motion
Go out, set the taper of mandrel frustum section to be more than the taper of rotary drum correspondence frustum section, be pressed further by material, obtain mass dryness fraction higher
Solid phase.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the material-pulling device of horizontal decanter centrifuge proposed by the present invention.
Embodiment
As shown in figure 1, Fig. 1 is a kind of structural representation of the material-pulling device of horizontal decanter centrifuge proposed by the present invention.
Reference picture 1, a kind of material-pulling device of horizontal decanter centrifuge proposed by the present invention, including rotary drum 1, augers
2nd, the first stock stop 3 and the second stock stop 4, augers 2 are rotatablely installed in rotary drum 1, and are co-axially mounted with rotary drum 1, spiral shell
Revolve pusher 2 and driven by drive device and rotated, augers 2 include hollow mandrel 5 and helical blade 6, the helical blade 6
There is certain interval in outward flange and the inwall of rotary drum 1, be easy to solid precipitation to turn to being pushed out again by helical blade 6 after certain thickness
Drum 1.
Mandrel 5 includes mandrel cylindrical section 7 and mandrel frustum section 8, and the profile of rotary drum 1 is adapted with mandrel 5, and rotary drum 1 is remote
The end of mandrel frustum section 8 is provided with liquid outlet 9, and the other end is provided with out solid mouth 10, in the inner chamber of mandrel 5 of mandrel cylindrical section 7
Provided with the first barrier 11 and the second barrier 12, the first barrier 11 and the second barrier 12 surround distribution cavity 13, core in the inner chamber of mandrel 5
The position of correspondence distribution cavity 13 is provided with provided with the feed pipe 15 for extending to distribution cavity 13 in charging aperture 14, the inner chamber of mandrel 5 on axle 5,
Solidliquid mixture to be separated enters distribution cavity 13 by feed pipe 15, then enters from the charging aperture 14 on distribution cavity 13 in rotary drum 1,
Exist in mandrel 5 and rotary drum 1 under the rotation of differential, solid-liquid is separated, and liquid is flowed out by liquid outlet 9, in the helical blade 6 of rotation
Impetus under, solid is discharged by going out solid mouth 10, and mandrel 5 and rotary drum 1 are all provided with being set to taper close to solid 10 sections of mouth is gone out, specifically
Ground, the taper of mandrel frustum section 8 is more than the taper of the correspondence frustum section of rotary drum 1, reduces the distance between rotary drum 1 and mandrel 5, from
And increase solid phase close to the pressure gone out near solid mouth 10, so that the moisture extrusion being mixed with solid phase, stayed along the conical surface to going out
Liquid mouthful 9.
Mandrel cylindrical section 7 is provided with the first stock stop 3 on the outside of the end of mandrel frustum section 8, and the first stock stop 3 is set in
On mandrel cylindrical section 7, and can mandrel cylindrical section 7 slide, the first stock stop 3 is connected with spring close to the side of mandrel frustum section 8
16, the other end of spring 16 is fixed with mandrel 5, soft separation sleeve of the outside of spring 16 provided with the first stock stop 3 of connection and mandrel 5
17, for insulation blocking spring 16, soft separation sleeve 17 can be compressed, specifically, and soft separation sleeve 17 uses plastic material system
Into super quality and competitive price.First stock stop 3 includes first annular plate 18 and prolonged to first annular plate 18 away from 8 sides of mandrel frustum section
Columnar first extension 19 stretched, the second stock stop 4 is arranged at side of first stock stop 3 away from mandrel frustum section 8, the
Two stock stops 4 include the second annular slab 20 for being fixed on the inwall of rotary drum 1 and to the second annular slab 20 close to 8 sides of mandrel frustum section
Columnar second extension 21 of extension, the first extension 19 is set in the outside of the second extension 21, and the first stock stop 3 is with turning
There is radial clearance in the inwall of drum 1, the second stock stop 4 has radial clearance with mandrel 5, when the first stock stop 3 is moved, the first backgauge
On the material channel that presence can be connected or closed between the stock stop 4 of device 3 and second, the first annular annular slab 20 of plate 18 and second
Provided with filter bores, it is easy to the liquid-phase reflux that is squeezed out to liquid outlet 9.Set in the present embodiment, the first extension 19 and second
Gap is not present in the radial direction of extension 21, when material promotes first annular plate 18, makes the first extension 19 and the weight of the second extension 21
Conjunction is partially disengaged out passage, is pushed ahead for material, and material is extruded under this thrust, obtains that mixed amount of liquid is less consolidates
In phase, actual design, can also set when spring 16 is not extruded by material, the first extension 19 prop up the second annular slab 20 or
Second extension 21 props up first annular plate 18, meanwhile, there is gap in the first extension 19 and the radial direction of the second extension 21, work as thing
When material extrudes first annular plate 18, the first extension 19 departs from the second annular slab 20 or the second extension 21 departs from first annular plate
18, form the passage for being available for material, solid phase to advance.
In present embodiment, the first extension 19 is in close to the small tapered cylinder of the big other end in end of mandrel frustum section 8
Shape, the second extension 21 is in the small tapered cylinder shape of the big other end in end away from mandrel frustum section 8, is easy to the liquid being squeezed out
Mutually it is back to liquid outlet 9.
In present embodiment, the first extension 19 and the second extension 21 are respectively along the first annular outward flange of plate 18 and second
The inward flange of annular slab 20 is set.
In present embodiment, feed pipe 15 passes through and exports relative with feed pipe 15 in the first barrier 11, the second barrier 12
Face is provided with projection 22, and material sprays to projection 22 and is repelled, and is easy to material to enter from charging aperture 14 in rotary drum 1.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of material-pulling device of horizontal decanter centrifuge, it is characterised in that including rotary drum (1), augers (2), first
Stock stop (3) and the second stock stop (4), augers (2) are rotatablely installed in the rotary drum (1), and with the coaxial peace of rotary drum (1)
Dress, augers (2) are driven by drive device to be rotated, and augers (2) include hollow mandrel (5) and helical blade
(6), mandrel (5) includes mandrel cylindrical section (7) and mandrel frustum section (8), and the profile of rotary drum (1) is adapted with mandrel (5), mandrel
The first barrier (11) and the second barrier (12) are provided with the inner chamber of cylindrical section (7), the first barrier (11) and the second barrier (12) exist
The position that correspondence distribution cavity (13) on distribution cavity (13), mandrel (5) is surrounded in mandrel (5) inner chamber is provided with charging aperture (14), mandrel
(5) provided with the feed pipe (15) for extending to distribution cavity (13) in inner chamber, mandrel cylindrical section (7) is close to the end of mandrel frustum section (8)
The first stock stop (3) is provided with the outside of portion, the first stock stop (3) is set on mandrel cylindrical section (7), and can be along mandrel cylindrical section
(7) slide, the first stock stop (3) is connected with spring (16), spring (16) other end and core close to the side of mandrel frustum section (8)
Axle (5) is fixed, the soft separation sleeve (17) provided with the first stock stop of connection (3) and mandrel (5), soft isolation on the outside of spring (16)
Set (17) can be compressed, and the first stock stop (3) includes first annular plate (18) and to first annular plate (18) away from mandrel frustum
Columnar first extension (19) of section (8) side extension, the second stock stop (4) is arranged at the first stock stop (3) away from core
The side of axial cone platform section (8), the second stock stop (4) includes the second annular slab (20) for being fixed on rotary drum (1) inwall and to second
Annular slab (20) is close to columnar second extension (21) of mandrel frustum section (8) side extension, the first extension (19) set
Loaded on the outside of the second extension (21), there is radial clearance in the first stock stop (3) and rotary drum (1) inwall, the second stock stop (4) with
Be present radial clearance in mandrel (5), when the first stock stop (3) is mobile, exist between the first stock stop (3) and the second stock stop (4)
Filter bores are equipped with the material channel that can be connected or close, first annular plate (18) and the second annular slab (20).
2. the material-pulling device of horizontal decanter centrifuge according to claim 1, it is characterised in that the first extension (19) is in
Close to the small tapered cylinder shape of the big other end in end of mandrel frustum section (8), the second extension (21) is in away from mandrel frustum section
(8) the small tapered cylinder shape of the big other end in end.
3. the material-pulling device of horizontal decanter centrifuge according to claim 1, it is characterised in that the first extension (19) and
Second extension (21) is set along the inward flange of first annular plate (18) outward flange and the second annular slab (20) respectively.
4. the material-pulling device of horizontal decanter centrifuge according to claim 1, it is characterised in that feed pipe (15) is through the
Relative face is exported in one barrier (11), the second barrier (12) with feed pipe (15) to be provided with raised (22).
5. the material-pulling device of horizontal decanter centrifuge according to claim 1, it is characterised in that soft separation sleeve (17) is adopted
It is made of plastic material.
6. the material-pulling device of horizontal decanter centrifuge according to claim 1, it is characterised in that mandrel frustum section (8)
Taper is more than the taper of rotary drum (1) correspondence frustum section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391982.6A CN104998765B (en) | 2015-07-02 | 2015-07-02 | A kind of material-pulling device of horizontal decanter centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391982.6A CN104998765B (en) | 2015-07-02 | 2015-07-02 | A kind of material-pulling device of horizontal decanter centrifuge |
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| Publication Number | Publication Date |
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| CN104998765A CN104998765A (en) | 2015-10-28 |
| CN104998765B true CN104998765B (en) | 2017-08-18 |
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| CN201510391982.6A Active CN104998765B (en) | 2015-07-02 | 2015-07-02 | A kind of material-pulling device of horizontal decanter centrifuge |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398357A (en) * | 2017-09-20 | 2017-11-28 | 湘潭离心机有限公司 | Horizontal type screw settling centrifuge charging cavity configuration |
| CN108067358B (en) * | 2017-12-25 | 2023-12-22 | 大连理工大学 | Oil-water-sand separation three-phase horizontal spiral centrifuge |
| CN108187925A (en) * | 2017-12-29 | 2018-06-22 | 海申机电总厂(象山) | A kind of double tapered angle rotary drum |
| DK180398B1 (en) * | 2019-11-13 | 2021-03-25 | Smidth As F L | Centrifugal separator having an improved flow and system comprising such a centrifugal separator |
| CN110773330B (en) * | 2019-11-26 | 2024-10-01 | 巨能机械(中国)有限公司 | Horizontal spiral discharging sedimentation centrifuge with pressing baffle structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005074374A (en) * | 2003-09-02 | 2005-03-24 | Ishikawajima Harima Heavy Ind Co Ltd | Screw decanter type centrifugal separator |
| CN101905193A (en) * | 2010-07-12 | 2010-12-08 | 巨能机械(中国)有限公司 | Rotary drum of horizontal spiral discharge sedimentation centrifuge |
| CN202606292U (en) * | 2012-06-13 | 2012-12-19 | 合肥朗锐环境工程有限公司 | Sludge dewatering horizontal spiral centrifugal machine with butterfly-shaped damping baffle |
| CN103433151A (en) * | 2013-08-12 | 2013-12-11 | 江苏捷达离心机制造有限公司 | Horizontal spiral discharge sedimentary centrifuge |
| CN203448190U (en) * | 2013-08-12 | 2014-02-26 | 江苏捷达离心机制造有限公司 | Horizontal spiral discharging sedimenting centrifugal machine |
| CN203578018U (en) * | 2013-10-21 | 2014-05-07 | 绿水分离设备股份有限公司 | Horizontal spiral discharging and settling centrifuge provided with settling enhancing device |
| CN204074277U (en) * | 2014-09-15 | 2015-01-07 | 浙江三拓重工科技有限公司 | A kind of horizontal spiral centrifuge |
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Effective date of registration: 20200714 Address after: 361000 Room 501, No.85, Xiaguang Dongli, Haicang District, Xiamen City, Fujian Province Patentee after: Xiamen Jiupin sesame Information Technology Co.,Ltd. Address before: No. C3-1 258 No. 233000 Anhui province Bengbu Huai District XTEP Avenue Patentee before: BENGBU XINGLI CENTRIFUGE MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20200806 Address after: 545000 horticultural farm No.2 Branch, Shatang farm, Liubei District, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Liuzhou Guitong cement pole Co., Ltd Address before: 361000 Room 501, No.85, Xiaguang Dongli, Haicang District, Xiamen City, Fujian Province Patentee before: Xiamen Jiupin sesame Information Technology Co.,Ltd. |