CN106694241B - Horizontal spiral discharge sedimentation centrifuge - Google Patents
Horizontal spiral discharge sedimentation centrifuge Download PDFInfo
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- CN106694241B CN106694241B CN201510528136.4A CN201510528136A CN106694241B CN 106694241 B CN106694241 B CN 106694241B CN 201510528136 A CN201510528136 A CN 201510528136A CN 106694241 B CN106694241 B CN 106694241B
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- rotary drum
- horizontal spiral
- liquid outlet
- sedimentation centrifuge
- scraping blade
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Abstract
A kind of horizontal spiral discharge sedimentation centrifuge of disclosure of the invention, its key points of the technical solution are that including rotary drum and screw feeder, screw feeder includes mandrel and pushing sheet, mandrel is equipped with plup inlet, rotary drum is equipped with liquid outlet and slag notch, and liquid outlet is equipped with overflow plate, and the inner wall of plup inlet is arranged with the helical feed piece for making suspension discharge, liquid outlet includes uniformly to gather in the filter opening of drum head, and pushing sheet is equipped with the scraping blade for increasing contact area with drum inner wall.Suspension is uniformly pushed in rotary drum by the present invention by helical feed piece, therefore be can avoid centrifuge and increased treating capacity and lower sediment effect；In addition the liquid outlet being made up of filter opening increases the filtering to clear liquid, therefore reduces the probability of particle discharge；The contact area for increasing pushing sheet and drum inner wall by scraping blade again improves the push effect of solid phase particles, and scraping blade can also squeeze solid phase particles during push in addition, also helps the moisture content for reducing mud cake.
Description
Technical field
Invention is related to centrifugation apparatus field, more specifically, it relates to a kind of horizontal spiral discharge sedimentation centrifuge.
Background technology
Horizontal settling screw conveyer centrifugal is mainly omited by high-revolving rotary drum, and rotating ratio rotary drum identical as rotary drum steering
The components such as high or slightly lower spiral and differential mechanism form.It is high-speed rotating after suspension to be separated enters bowl
Rotary drum generates powerful centrifugal force and the solid phase particles bigger than density of liquid phase is deposited to drum inner wall, due to turn of spiral and rotary drum
Fast different, there are relative motions for the two（That is speed discrepancy）, drum inner wall is deposited on using the relative motion handle of spiral and rotary drum
Solid phase push the discharge of rotary drum small end exit to, clear liquid after separation is discharged from the centrifuge other end.Its main working process is：
Suspension enters rotary drum from feed pipe, and solid phase particles are under effect of centrifugal force by the accelerated sedimentation to rotary drum of centrifugal force
Wall, the particle of sedimentation under the promotion of auger blade, from（Direct tube section）Decanting zone passes through（Bore section）Dry section is to solid phase
Outlet discharge；Clarified liquid phase is overflowed from spout hole.To realize that solid, liquid is mutually automatic, continuously detaches.It can be applied to take off
The difference occasion such as water, concentration, fractional defecation.
According to above-mentioned prior art construction, current Horizontal settling screw conveyer centrifugal has following problem：1, it hangs
It is by offering what plup inlet was realized in one end of mandrel, however in existing plup inlet simultaneously that supernatant liquid enters rotary drum from feed pipe
The device of suspension is not pushed, is only thrown away the suspension in plup inlet from discharge end in rotation process by rotary drum, but simultaneously
Suspension in plup inlet is not pushed to the pusher of discharge end, therefore the discharge capacity of discharge end is uneven, Shi Duoshi
It is few, the treating capacity of centrifuge is increased when suspension once discharges more, it is thus possible to sediment effect can be reduced, increased simultaneously
The loss of centrifuge reduces service life, and when suspension discharge is less, and reduce processing efficiency and result in waste of resources,
Therefore need one kind that can make the uniform pusher of suspension discharging；
2, it can be discharged from the other end of centrifuge deslagging by the clear liquid of sedimentation separation, and the discharge rate of clear liquid is by overflowing
Flowing plate adjusts liquid layer depth, and liquid layer depth is bigger, and liquid phase clarification is higher, and clear liquid is discharged by gravity, can be according to material
Separation requirement select suitable overflow plate, however filter device is no longer equipped at the overflow port, therefore increase suspension
The probability that particle is discharged from overflow port increases clear liquid solid content；
3, existing screw feeder includes mandrel and around the helical form pushing sheet for being located at mandrel outer wall, and pushing sheet with
The contact area of drum inner wall is small, is unfavorable for pushing sheet and solid phase particles are pushed to slag notch, therefore reduce working efficiency；
4, moisture content of the cake is between 60%-70% in the prior art for the solid phase filter cake being discharged by rotary drum, therefore such as
The moisture content what further decreases mud cake is always the project studied.
Invention content
In view of the deficienciess of the prior art, invention is designed to provide a kind of horizontal spiral discharge sedimentation centrifuge,
The centrifuge can uniformly push suspension discharging, improve the pusher effect of pushing sheet, and reduce clear liquid solid content
And the moisture content of mud cake.
To achieve the above object, the present invention provides following technical solutions：A kind of horizontal spiral discharge sedimentation centrifuge, packet
Include rotary drum and screw feeder, the screw feeder includes mandrel and around the pushing sheet being located on mandrel outer wall, the core
Axis is equipped with plup inlet, and the both ends of the rotary drum are respectively equipped with liquid outlet and slag notch, and the liquid outlet is equipped with overflow plate, it is described enter
The inner wall in material hole is arranged with the helical feed piece for making suspension discharge, and the liquid outlet includes uniformly to gather at rotary drum end
The filter opening in portion, the pushing sheet are equipped with the scraping blade for increasing contact area with drum inner wall.
Further, the height of the helical feed piece is more than the half of pan feeding pore radius, and is less than plup inlet
3/4ths of radius.
Further, the filter opening is in a groove shape structure setting.
Further, the axle center angle of the scraping blade and mandrel is arranged.
Further, it is gradual to be wound on direction of the screw pitch on mandrel outer wall from rotary drum liquid outlet to slag notch for the pushing sheet
It reduces.
Further, the outboard end of the pushing sheet is equipped with the collection tablet being obliquely installed to slag notch side.
Further, the overflow plate is detachably arranged on the outside of liquid outlet.
Further, the inner wall of the helical feed piece and plup inlet is detachably connected.
Further, the scraping blade is evenly distributed on pushing sheet, and the scraping blade of arbitrary neighborhood is equal in rotary course
There is partial traces overlapping.
Further, the scraping blade is detachably connected with pushing sheet.
The present invention, will be equal by helical feed piece from the suspension of feed pipe by being equipped with helical feed piece in plup inlet
Even is pushed in rotary drum, therefore can effectively avoid centrifuge and increase treating capacity and lower sediment effect, will not increase centrifugation
The loss of machine extends service life, also can avoid processing efficiency reduces；In addition the liquid outlet being made up of filter opening increases
Filtering to clear liquid, therefore the probability that the particle for greatly reducing suspension is discharged from overflow port, advantageously reduce clear liquid and contain
Gu rate；The contact area for increasing pushing sheet and drum inner wall by scraping blade again improves the push effect of solid phase particles, favorably
In increasing working efficiency, increased scraping blade also further squeezes solid phase particles during pushing solid phase particles in addition
Pressure, therefore also help the moisture content for reducing mud cake.
Description of the drawings
Fig. 1 is the stereochemical structure schematic views of invention horizontal spiral discharge sedimentation centrifuge；
Fig. 2 is the portions the A enlarged structure schematic diagram of Fig. 1；
Fig. 3 is the other side stereochemical structure schematic views of invention horizontal spiral discharge sedimentation centrifuge；
Fig. 4 is the portions the B enlarged structure schematic diagram of Fig. 3；
Fig. 5 is the stereochemical structure schematic views of screw feeder；
Fig. 6 is the portions the C enlarged structure schematic diagram of Fig. 5.
Reference numeral：1, rotary drum；11, liquid outlet；111, filter opening；12, slag notch；13, overflow plate；2, screw feeder；
21, mandrel；22, pushing sheet；221, collect tablet；23, plup inlet；24, helical feed piece；25, scraping blade.
Specific implementation mode
Invention horizontal spiral discharge sedimentation centrifuge embodiment is described further referring to figs. 1 to Fig. 6.
A kind of horizontal spiral discharge sedimentation centrifuge, including rotary drum 1, screw feeder 2 and differential mechanism, wherein spiral pusher
Device 2 is arranged in rotary drum 1, and rotary drum 1 is dragged by main motor, and screw feeder 2 is dragged by auxiliary motor by differential mechanism, rotary drum 1
Direction of rotation is identical in high-speed rotation process with screw feeder 2, but generates certain speed difference by differential mechanism between the two,
To execute work, wherein rotary drum 1 includes decanting zone and dry section, the cylindrical structure setting in decanting zone of rotary drum 1, rotary drum
1 dry section is in hollow circular cone shape structure setting, and the screw feeder 2 being adapted to rotary drum 1 includes rod-shaped mandrel
21 and spiral helicine pushing sheet 22, spiral helicine pushing sheet 22 forms screw feeder 2 around being located on 21 outer wall of mandrel, mandrel 21
Be equipped with close to dry section one end of rotary drum 1 and enter the plup inlet 23 in rotary drum 1 for suspension, the circumferential side wall of mandrel 21 be equipped with
The discharge port that plup inlet 23 is connected, therefore be connected on the outside of 23 one end of plup inlet and centrifuge, it is connected to, turns in the other end and rotary drum 1
The both ends of drum 1 are respectively equipped with liquid outlet 11 and slag notch 12, and liquid outlet 11 is located at decanting zone one end of rotary drum 1, slag notch 12
In dry section one end of rotary drum 1, and liquid outlet 11 is equipped with overflow plate 13.
In addition the inner wall of plup inlet 23 be arranged with for make suspension discharge helical feed piece 24, helical feed piece 24 from
One end of plup inlet 23 extends to the other end, and the hand of spiral phase of the hand of spiral of helical feed piece 24 and pushing sheet 22
Instead, since screw feeder 2 is rotation during the work time, the pushing sheet 22 of screw feeder 2 is by solid phase particles
When pushing dry section to（Herein it should be noted that the feed inlet direction of one end i.e. plup inlet 23 that solid phase particles are pushed to）, with
Suspension is just pushed to the discharge port of plup inlet 23 by the opposite helical feed piece 24 of the hand of spiral of pushing sheet 22（It needs to illustrate herein
Be one end i.e. decanting zone that suspension is pushed to direction）, to by being equipped with and pushing sheet 22 in plup inlet 23
The opposite helical feed piece 24 of the hand of spiral, realize and suspension be pushed to discharge port from the feed inlet of plup inlet 23, and
The screw pitch of helical feed piece 24 is constant, and the liquid measure for the suspension being discharged by helical feed piece 24 will also remain unchanged, therefore should
Suspension in plup inlet 23 easily can be uniformly pushed to by helical feed piece 24 in rotary drum 1 by structure, to effectively
Avoid because centrifuge increase treating capacity due to lower sediment effect the problem of, the loss of centrifuge will not be increased, that is, extended
Service life, also can avoid processing efficiency reduces；It, can be with simultaneously in order to further increase the conveying uniform of helical feed piece 24
The height for increasing helical feed piece 24 makes the height of helical feed piece 24 be more than the half of 23 radius of plup inlet, and small
Between 3/4ths of 23 radius of plup inlet, the height for increasing helical feed piece 24 in this way avoids suspension in spiral transferring
It send and directly crosses between the axial direction of piece 24, to reduce evening ratio when conveying, the height of helical feed piece 24 is not required in addition
To be equal to the radius of plup inlet 23, reduce the difficulty of processing of helical feed piece 24 in this way, advantageously reduce processing cost, therefore
Preferably the height of helical feed piece 24 is equal to 2/3rds of 23 radius of plup inlet, both ensure that the height of helical feed piece 24
Be conducive to improve conveying uniform rate, also there are processing spaces, facilitate production and assembly.
It can also advanced optimize herein and be arranged to be detachably connected by the inner wall of helical feed piece 24 and plup inlet 23, have
Body embodiment can there are many, such as mandrel 21 be located at two sections of decanting zone and dry section be arranged to fission and be detachably connected
Structure, 23 cylindrical structure of helical feed piece 24 or plup inlet can be both replaced during dismounting in this way, in mandrel
21 end is detachably by the retainer plate for fixing helical feed piece 24, and helical feed piece 24 is fixed in plup inlet 23
Mode also there are many, such as the both ends of helical feed piece 24 are detachably secured to pan feeding by the connection type of screw respectively
In hole 23, or in the inner wall of plup inlet 23 offer the sliding slot for being inserted and fixed for helical feed piece 24, sliding slot and spiral shell
It revolves conveying sheet 24 in the shape of a spiral, therefore helical feed piece 24 is detachably secured to implement in plup inlet 23, and passes through this
Connection type can be replaced helical feed piece 24, and the spare and accessory parts of a replaceable damage, two can be by replacing different screw pitch
Helical feed piece 24 come reach change suspension conveying speed, convenient for regulation and control suspension conveying capacity.
The liquid outlet 11 of this outer drum 1 includes uniformly to gather in the filter opening 111 of 1 end of rotary drum, be under normal conditions
The end of rotary drum 1 is opened up there are one larger-diameter circular hole, is then fixed with overflow plate 13 in 11 outside of the liquid outlet of rotary drum 1,
However by the way that the circular hole of major diameter is changed to the filter opening uniformly to gather 111, clear liquid can be made by passing through during liquid outlet 11
Filter opening 111 increases filtering function, therefore the probability that the particle for greatly reducing suspension is discharged from overflow port, is conducive to drop
Low clear liquid solid content；Filter opening 111 can be opened up to improve filter effect simultaneously and be in a groove shape structure, this is because cavernous structure
The drill bit that minimum is also required to 1.2cm could realize drilling, and can be reached by the channel-shaped filter opening 111 that milling machine processes on rotary drum 1
To smaller gap, because of the equivalent width of filter opening 111 its width and blade that milling machine is processed with cutting blade, and the width of blade
Can be 0.75cm even smallers, therefore the groove-like structure of filter opening 111 is at least up to the gap of 0.75cm, therefore the filter opening of channel-shaped
111 filter effects played are more preferably.Dismountable connection type setting can be used on the outside of liquid outlet 11 in overflow plate 13 simultaneously, this
Sample can be by replacing overflow plate 13, and realization adjusts the size of overflow port, clear to reach control liquid phase convenient for adjusting the depth of liquid layer
The effect spent clearly is consolidated overflow plate 13 across pressing plate by bolt and connection type can be realized by attached drawing disclosure
It is scheduled on 11 outside of liquid outlet of rotary drum 1.
In addition pushing sheet 22 is equipped with the scraping blade 25 for adding contact area with 1 inner wall increasing of rotary drum, the outermost of scraping blade 25
Maintaining an equal level with the outermost of pushing sheet 22, increased scraping blade 25 increases the contact area of pushing sheet 22 and 1 inner wall of rotary drum in this way, when
There is scraping blade 25 that can solid phase particles be generated with push effect other than pushing sheet 22 in 2 rotation process of screw feeder, improves
The push effects of solid phase particles is conducive to increase working efficiency；And scraping blade 25 and the axle center angle of mandrel 21 are arranged, and increase
The push active area of scraping blade 25 and pushing sheet 22 is conducive to improve push effect；Most preferably scraping blade 25 is uniformly distributed
On the lateral surface of pushing sheet 22, and the scraping blade 25 of arbitrary neighborhood has partial traces overlapping in rotary course, makes in this way
Scraping blade 25 can also repeat the push active area of a part in rotary course, and then improve push effect；By scraping blade 25 with push away
Tablet 22 is detachably connected, and is also convenient for scraping blade 25 and is replaced after damage, is conducive to improve accessory utilization rate；The outside of pushing sheet 22
End is equipped with the collection tablet 221 being obliquely installed to 12 side of slag notch, makes collection tablet 221 that can play push in rotary course solid
The effect of phase particle Forward, while increase push active area is also played, be conducive to improve push effect；In addition above structure
In scraping blade 25 and collection tablet 221 during pushing solid phase particles, also can further to solid phase particles pushed with
And squeeze, therefore solid phase particles are pushed to after dry section the moisture content for also helping and reducing mud cake by the structure.
In addition the direction that pushing sheet 22 is wound on the screw pitch on 21 outer wall of mandrel from rotary drum 1 liquid outlet 11 to slag notch 12 is gradual
It reduces, during which makes pushing sheet 22 push solid phase particles from decanting zone to dry section, because the spacing of pushing sheet 22 is got over
It is next smaller, therefore area is conveyed with regard to smaller, and can be conducive to solid phase particles by increasing extruding force and conveying
It is squeezed by effective up to draining in journey, greatly reduces the moisture content of mud cake.
It the above is only the preferred embodiment of invention, the protection domain of invention is not limited merely to above-described embodiment, all categories
Technical solution under invention thinking belongs to the protection domain of invention.It should be pointed out that for the ordinary skill of the art
For personnel, several improvements and modifications under the premise of not departing from inventive principle, these improvements and modifications also should be regarded as invention
Protection domain.
Claims (10)
1. a kind of horizontal spiral discharge sedimentation centrifuge, including rotary drum and screw feeder, the screw feeder include core
Axis and around the pushing sheet being located on mandrel outer wall, the mandrel is equipped with plup inlet, and the both ends of the rotary drum are respectively equipped with liquid outlet
And slag notch, the liquid outlet are equipped with overflow plate, it is characterized in that：The inner wall of the plup inlet is arranged with for making suspension discharge
Helical feed piece, the liquid outlet includes uniformly to gather in the filter opening of drum head, and the pushing sheet is equipped with and rotary drum
Inner wall increasing adds the scraping blade of contact area.
2. horizontal spiral discharge sedimentation centrifuge according to claim 1, it is characterized in that：The height of the helical feed piece
More than the half of pan feeding pore radius, and less than 3/4ths of pan feeding pore radius.
3. horizontal spiral discharge sedimentation centrifuge according to claim 1, it is characterized in that：The filter opening is in a groove shape structure and sets
It sets.
4. horizontal spiral discharge sedimentation centrifuge according to claim 1, it is characterized in that：The axle center of the scraping blade and mandrel
Angle is arranged.
5. horizontal spiral discharge sedimentation centrifuge as claimed in any of claims 1 to 4, it is characterized in that：It is described to push away
Direction of the screw pitch that tablet is wound on mandrel outer wall from rotary drum liquid outlet to slag notch is gradually reduced.
6. horizontal spiral discharge sedimentation centrifuge according to claim 5, it is characterized in that：The outboard end of the pushing sheet
Equipped with the collection tablet being obliquely installed to slag notch side.
7. horizontal spiral discharge sedimentation centrifuge according to claim 1, it is characterized in that：The overflow plate is detachably arranged
On the outside of liquid outlet.
8. horizontal spiral discharge sedimentation centrifuge according to claim 1 or 2, it is characterized in that：The helical feed piece with
The inner wall of plup inlet is detachably connected.
9. horizontal spiral discharge sedimentation centrifuge according to claim 1 or 4, it is characterized in that：The scraping blade is uniformly distributed
On pushing sheet, and the scraping blade of arbitrary neighborhood has partial traces overlapping in rotary course.
10. horizontal spiral discharge sedimentation centrifuge according to claim 9, it is characterized in that：The scraping blade can with pushing sheet
Dismantling connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528136.4A CN106694241B (en) | 2015-08-26 | 2015-08-26 | Horizontal spiral discharge sedimentation centrifuge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528136.4A CN106694241B (en) | 2015-08-26 | 2015-08-26 | Horizontal spiral discharge sedimentation centrifuge |
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| CN106694241A CN106694241A (en) | 2017-05-24 |
| CN106694241B true CN106694241B (en) | 2018-10-02 |
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| CN201510528136.4A Active CN106694241B (en) | 2015-08-26 | 2015-08-26 | Horizontal spiral discharge sedimentation centrifuge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107551953B (en) * | 2017-10-12 | 2024-02-27 | 浙江方远新材料股份有限公司 | Double-roller granulator for granulating sludge ceramsite |
| CN117019418B (en) * | 2023-10-08 | 2023-12-08 | 山东泰普锂业科技有限公司 | Horizontal spiral sedimentation centrifuge |
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|---|---|---|---|---|
| DE4132593A1 (en) * | 1991-09-30 | 1993-04-01 | Linde Kca Dresden Gmbh | REACTOR FOR COUNTERFLOW TREATMENT OF SOLID AND LIQUID |
| CN101117175A (en) * | 2007-09-07 | 2008-02-06 | 太原科技大学 | Helical blade supporting arrangement |
| CN201127911Y (en) * | 2007-10-31 | 2008-10-08 | 上海市离心机械研究所有限公司 | Decanter centrifuge with scraping knife device |
| CN201855745U (en) * | 2010-11-19 | 2011-06-08 | 成都天保重型装备股份有限公司 | Improvement of rotary drum combination manner of piston material pushing type centrifugal machine |
| CN102363137A (en) * | 2011-10-24 | 2012-02-29 | 湘潭离心机有限公司 | Horizontal decanter solid-bowl centrifuge |
| CN202555411U (en) * | 2012-06-01 | 2012-11-28 | 淮北巨盾矿山机械有限公司 | Centrifugal machine scraper |
| CN104668110A (en) * | 2015-02-06 | 2015-06-03 | 山东祥瑞药业有限公司 | Horizontal screw centrifugal machine for starch milk dewatering |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140011823A (en) * | 2012-07-20 | 2014-01-29 | 주식회사 두리에프에스 | Scraper unit of centrifugal separator |
| RU2628785C2 (en) * | 2013-05-15 | 2017-08-22 | Андриц С.А.С. | Protective shield for auger conveyor scraper |
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2015
- 2015-08-26 CN CN201510528136.4A patent/CN106694241B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4132593A1 (en) * | 1991-09-30 | 1993-04-01 | Linde Kca Dresden Gmbh | REACTOR FOR COUNTERFLOW TREATMENT OF SOLID AND LIQUID |
| CN101117175A (en) * | 2007-09-07 | 2008-02-06 | 太原科技大学 | Helical blade supporting arrangement |
| CN201127911Y (en) * | 2007-10-31 | 2008-10-08 | 上海市离心机械研究所有限公司 | Decanter centrifuge with scraping knife device |
| CN201855745U (en) * | 2010-11-19 | 2011-06-08 | 成都天保重型装备股份有限公司 | Improvement of rotary drum combination manner of piston material pushing type centrifugal machine |
| CN102363137A (en) * | 2011-10-24 | 2012-02-29 | 湘潭离心机有限公司 | Horizontal decanter solid-bowl centrifuge |
| CN202555411U (en) * | 2012-06-01 | 2012-11-28 | 淮北巨盾矿山机械有限公司 | Centrifugal machine scraper |
| CN104668110A (en) * | 2015-02-06 | 2015-06-03 | 山东祥瑞药业有限公司 | Horizontal screw centrifugal machine for starch milk dewatering |
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