CN106694241A - Horizontal screw-discharge sedimentation centrifuge - Google Patents
Horizontal screw-discharge sedimentation centrifuge Download PDFInfo
- Publication number
- CN106694241A CN106694241A CN201510528136.4A CN201510528136A CN106694241A CN 106694241 A CN106694241 A CN 106694241A CN 201510528136 A CN201510528136 A CN 201510528136A CN 106694241 A CN106694241 A CN 106694241A
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- Prior art keywords
- rotary drum
- sedimentation centrifuge
- liquid outlet
- discharge sedimentation
- scraping blade
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000007790 scraping Methods 0.000 claims abstract description 28
- 239000000725 suspension Substances 0.000 claims abstract description 28
- 239000002893 slag Substances 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 23
- 239000007790 solid phase Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 16
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000003313 weakening effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005352 clarification Methods 0.000 description 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000013872 defecation Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Centrifugal Separators (AREA)
Abstract
The invention discloses a horizontal screw-discharge sedimentation centrifuge. The technical scheme is characterized in that the horizontal screw-discharge sedimentation centrifuge comprises a rotary drum and a screw pusher, wherein the screw pusher comprises a mandrel and a push sheet; the mandrel is provided with a charge hole; the rotary drum is provided with a liquid outlet port and a residue outlet port; the liquid outlet port is provided with an overflow plate; a screw conveying sheet used for discharging a suspension is arranged on the inner wall of the charge hole in a winding manner; the liquid outlet port comprises filter holes which are uniformly and closely distributed in the end part of the rotary drum; and a scraping blade increasing a contact area with the inner wall of the rotary drum is arranged on the push sheet. According to the horizontal screw-discharge sedimentation centrifuge disclosed by the invention, the suspension is uniformly pushed into the rotary drum through the screw conveying sheet, and therefore the weakening of a residue sedimentation effect due to the increasing of the treatment capacity of the centrifuge can be avoided; in addition, filtering for a clear liquid is improved through the liquid outlet port formed by the filter holes, and therefore, the probability of particle discharge is lowered; and then the contact area between the push sheet and the inner wall of the rotary drum is increased through the scraping blade, the push effect of solid-phase particles is improved, and in addition, the scraping blade also extrudes the solid-phase particles during a push process and is further beneficial to lowering the water content of a 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 main to be made up of parts such as high-revolving rotary drum is identical with rotary drum steering and rotating ratio rotary drum is slightly higher or lower slightly spiral and differential mechanisms.After suspension to be separated enters bowl, the rotary drum of rotation produces powerful centrifugal force that the solid phase particles bigger than density of liquid phase are deposited to drum inner wall at a high speed, and because spiral is different with the rotating speed of rotary drum, the two there are relative motion（That is speed discrepancy）, the solid phase for being deposited on drum inner wall to be pushed to rotary drum small end exit using the relative motion of spiral and rotary drum and is discharged, the clear liquid after separation is discharged from the centrifuge other end.Its main working process is：Suspension enters rotary drum from feed pipe, solid phase particles under effect of centrifugal force by centrifugal force Accelerated subsidence to drum inner wall, the particle of sedimentation under the promotion of auger blade, from（Direct tube section）Decanting zone passes through（Cone section）Dry section to solid-phase outlet is discharged；Clarified liquid phase is overflowed from spout hole.So as to realize that solid, liquid is mutually automatic, continuously separate.Can be applied to be dehydrated, concentrate, the different occasions such as fractional defecation.
According to above-mentioned prior art construction, current Horizontal settling screw conveyer centrifugal has following problem：1, suspension is to offer what plup inlet was realized by one end of mandrel from feed pipe into rotary drum, but the device of suspension is not pushed in existing plup inlet, only the suspension in plup inlet is thrown away from discharge end in rotation process by rotary drum, but the suspension in plup inlet is not pushed to the pusher of discharge end, therefore the discharge capacity of discharge end is uneven, when it is many when it is few, the treating capacity of centrifuge is increased when suspension once discharges more, therefore sediment effect may be reduced, the loss that increased centrifuge simultaneously reduces service life, and suspension discharge it is less when, processing efficiency is reduced again causes the wasting of resources, therefore needing one kind can make the suspension uniform pusher of discharging；
2nd, 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 to adjust liquid layer depth by overflow plate, liquid layer depth is bigger, liquid phase clarification is higher, the liquid of clarification is discharged by gravity, can select suitable overflow plate according to the separation requirement of material, but be no longer provided with filter at the overfall, therefore the probability that the particle of suspension is discharged from overfall is increased, increased clear liquid solid content；
3rd, existing screw feeder includes mandrel and around the helical form pushing sheet for being located at mandrel outer wall, and pushing sheet is small with the contact area of drum inner wall, is unfavorable for that solid phase particles are pushed to slag notch by pushing sheet, therefore reduces operating efficiency；
4th, how moisture content of the cake between 60%-70%, therefore further reduces the problem that the moisture content of mud cake is always research to the solid phase filter cake discharged by rotary drum in the prior art.
The content of the invention
In view of the shortcomings of the prior art, the purpose of invention is 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 the moisture content of clear liquid solid content and mud cake.
To achieve the above object, the invention provides following technical scheme：A kind of horizontal spiral discharge sedimentation centrifuge, including rotary drum and screw feeder, the screw feeder includes mandrel and around the pushing sheet being located on mandrel outer wall, the mandrel is provided with plup inlet, the rotary drum is respectively arranged at two ends with liquid outlet and slag notch, the liquid outlet is provided with overflow plate, the inwall of the plup inlet is arranged with the helical feed piece for making suspension discharge, the liquid outlet is included and uniformly gathered in the filter opening of drum head, and the pushing sheet is provided with the scraping blade for increasing contact area with drum inner wall.
Further, the height of the helical feed piece is more than 1/2nd of pan feeding pore radius, and less than 3/4ths of pan feeding pore radius.
Further, the filter opening is set in bathtub construction.
Further, the scraping blade is set with the axle center angle of mandrel.
Further, direction of the pitch that the pushing sheet is wound on mandrel outer wall from rotary drum liquid outlet to slag notch is gradually reduced.
Further, the outboard end of the pushing sheet is provided with the collection tablet being obliquely installed to slag notch side.
Further, the overflow plate is detachably arranged at liquid outlet outside.
Further, the helical feed piece is detachably connected with the inwall of plup inlet.
Further, the scraping blade is evenly distributed on pushing sheet, and the scraping blade of arbitrary neighborhood has partial traces to overlap in rotary course.
Further, the scraping blade is detachably connected with pushing sheet.
The present invention in plup inlet by being provided with helical feed piece, to be uniformly pushed in rotary drum by helical feed piece from the suspension of feed pipe, therefore centrifuge can be prevented effectively to be increased treating capacity and lowers sediment effect, also the loss of centrifuge will not be increased, service life is extended, can also avoid processing efficiency from reducing；In addition the liquid outlet being made up of filter opening increased the filtering to clear liquid, therefore greatly reduce the probability that the particle of suspension is discharged from overfall, advantageously reduce clear liquid solid content；The contact area of pushing sheet and drum inner wall is increased by scraping blade again, improve the push effect of solid phase particles, be conducive to increasing operating efficiency, increased scraping blade also further extrudes solid phase particles during solid phase particles are pushed in addition, therefore also help the moisture content for reducing mud cake.
Brief description of the drawings
Fig. 1 is the stereochemical structure schematic views of invention horizontal spiral discharge sedimentation centrifuge；
Fig. 2 is the A portions mplifying structure schematic diagram of Fig. 1；
Fig. 3 is the opposite side stereochemical structure schematic views of invention horizontal spiral discharge sedimentation centrifuge；
Fig. 4 is the B portions mplifying structure schematic diagram of Fig. 3；
Fig. 5 is the stereochemical structure schematic views of screw feeder；
Fig. 6 is the C portions mplifying structure schematic diagram of Fig. 5.
Reference：1st, rotary drum；11st, liquid outlet；111st, filter opening；12nd, slag notch；13rd, overflow plate；2nd, screw feeder；21st, mandrel；22nd, pushing sheet；221st, tablet is collected；23rd, plup inlet；24th, helical feed piece；25th, scraping blade.
Specific embodiment
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 screw feeder 2 is arranged in rotary drum 1,Rotary drum 1 is dragged by main motor,Screw feeder 2 is dragged by auxiliary motor by differential mechanism,The direction of rotation in high-speed rotation is identical with screw feeder 2 for rotary drum 1,But certain speed difference is produced by differential mechanism between the two,So as to perform work,Wherein rotary drum 1 includes decanting zone and dry section,The cylindrical structure setting in decanting zone of rotary drum 1,The dry section of rotary drum 1 is in hollow circular cone shape structure setting,And the screw feeder 2 being adapted to rotary drum 1 includes shaft-like mandrel 21 and spiral helicine pushing sheet 22,Spiral helicine pushing sheet 22 is around being located on the outer wall of mandrel 21 formation screw feeder 2,Mandrel 21 is provided with the plup inlet 23 entered in rotary drum 1 for suspension near dry section one end of rotary drum 1,The circumferential side wall of mandrel 21 is provided with the discharging opening turned on plup inlet 23,Therefore the one end of plup inlet 23 connects with centrifuge outside,The other end is connected with rotary drum 1,Rotary drum 1 is respectively arranged at two ends with liquid outlet 11 and slag notch 12,Liquid outlet 11 is located at decanting zone one end of rotary drum 1,Slag notch 12 is located at dry section one end of rotary drum 1,And liquid outlet 11 is provided with overflow plate 13.
In addition the inwall of plup inlet 23 is arranged with the helical feed piece 24 for making suspension discharge, helical feed piece 24 extends to the other end from one end of plup inlet 23, and the hand of spiral of helical feed piece 24 is opposite with the hand of spiral of pushing sheet 22, due to screw feeder 2 in the course of the work be rotate, therefore screw feeder 2 pushing sheet 22 when solid phase particles are pushed to dry section（Herein it should be noted that the charging aperture direction of one end for being pushed to of solid phase particles i.e. plup inlet 23）, the helical feed piece 24 opposite with the hand of spiral of pushing sheet 22 is just pushed to the discharging opening of plup inlet 23 by suspension（Herein it should be noted that the direction of one end for being pushed to of suspension i.e. decanting zone）, so as to be provided with the helical feed piece 24 opposite with the hand of spiral of pushing sheet 22 by plup inlet 23, suspension is pushed to discharging opening by realization from the charging aperture of plup inlet 23, and the pitch of helical feed piece 24 is constant, the liquid measure of the suspension discharged by helical feed piece 24 will also keep constant, therefore easily by helical feed piece 24 uniformly can be pushed in rotary drum 1 suspension in plup inlet 23 by the structure, lower the problem of sediment effect because of centrifuge increase treating capacity so as to effectively avoid, also the loss of centrifuge will not be increased, extend service life, also processing efficiency can be avoided to be reduced；While the conveying uniform in order to further improve helical feed piece 24,The height of helical feed piece 24 can be increased,Make the height of helical feed piece 24 more than 1/2nd of the radius of plup inlet 23,And between 3/4ths of the radius of plup inlet 23,The height for which increasing helical feed piece 24 avoids suspension and is directly crossed between the axial direction of helical feed piece 24,So as to reduce evening ratio during conveying,In addition the height of helical feed piece 24 need not be equal to the radius of plup inlet 23,Which decrease the difficulty of processing of helical feed piece 24,Advantageously reduce processing cost,Therefore preferably the height of helical feed piece 24 is equal to 2/3rds of the radius of plup inlet 23,Both ensure that helical feed piece 24 is highly advantageous for raising conveying uniform rate,Also processing space is left,Facilitate production and assembly.
Can also further optimize to have herein and be arranged to be detachably connected with the inwall of plup inlet 23 by helical feed piece 24,Specific embodiment can have various,Mandrel 21 for example is located at into decanting zone and dry section two sections are arranged to the structure that split is detachably connected,Helical feed piece 24 so can be both changed during dismounting,Or the cylindrical structure of plup inlet 23,It is detachable by the retainer plate for fixing helical feed piece 24 in the end of mandrel 21,And the mode that helical feed piece 24 is fixed in plup inlet 23 also has various,For example the two ends of helical feed piece 24 are detachably secured in plup inlet 23 by the connected mode of screw respectively,Or offer chute for being inserted and fixed for helical feed piece 24 in the inwall of plup inlet 23,Chute is with helical feed piece 24 in the shape of a spiral,Therefore helical feed piece 24 is detachably secured to implement in plup inlet 23,And helical feed piece 24 can be replaced by the connected mode,The spare and accessory parts of one replaceable damage,Two transporting velocities that change suspension can be reached by changing the helical feed piece 24 of different pitch,It is easy to regulate and control the conveying capacity of suspension.
The liquid outlet 11 of this outer drum 1 is included and uniformly gathered in the filter opening 111 of the end of rotary drum 1, it is under normal circumstances to offer a larger-diameter circular hole in the end of rotary drum 1, then it is fixed with overflow plate 13 in the outside of liquid outlet 11 of rotary drum 1, but it is changed to uniform densely covered filter opening 111 by by the circular hole of major diameter, filtering function increased by filter opening 111 during clear liquid can be made by liquid outlet 11, therefore the probability that the particle of suspension is discharged from overfall is greatly reduced, advantageously reduces clear liquid solid content；Filter opening 111 can be opened up in bathtub construction to improve filter effect simultaneously, this is because the drill bit that cavernous structure minimum is also required to 1.2cm could realize drilling, and the channel-shaped filter opening 111 that can be processed by milling machine on rotary drum 1 reaches smaller gap, filter opening 111 its width processed with cutting blade by milling machine is consistent with the width of blade, and the width of blade can be even more small for 0.75cm, therefore the groove-like structure of filter opening 111 is at least up to the gap of 0.75cm, thus channel-shaped the filter effect that plays of filter opening 111 more preferably.Overflow plate 13 can be arranged on the outside of liquid outlet 11 using dismountable connected mode simultaneously, so can be by changing overflow plate 13, realize the size of regulation overfall, it is easy to adjust the depth of liquid layer, to reach the effect of control liquid phase clarity, and connected mode can be realized by accompanying drawing disclosure, i.e., overflow plate 13 is fixed on the outside of liquid outlet 11 of rotary drum 1 by bolt through pressing plate.
In addition pushing sheet 22 is provided with for the scraping blade 25 with the inner wall increasing of rotary drum 1 plus contact area, the outermost of scraping blade 25 maintains an equal level with the outermost of pushing sheet 22, so increased scraping blade 25 increased the contact area of pushing sheet 22 and the inwall of rotary drum 1, solid phase particles can be produced with push effect when there is scraping blade 25 in the rotation process of screw feeder 2 in addition to pushing sheet 22, the push effect of solid phase particles is improve, is conducive to increasing operating efficiency；And scraping blade 25 is set with the axle center angle of mandrel 21, increased the push active area of scraping blade 25 and pushing sheet 22, be conducive to improving push effect；Most preferably scraping blade 25 is evenly distributed on the lateral surface of pushing sheet 22, and the scraping blade 25 of arbitrary neighborhood has partial traces to overlap in rotary course, so making scraping blade 25 can also repeat the push active area of a part in rotary course, and then improve push effect；Scraping blade 25 is detachably connected with pushing sheet 22, scraping blade 25 is also convenient for and is changed after damage, be conducive to improving accessory utilization rate；The outboard end of pushing sheet 22 is provided with the collection tablet 221 being obliquely installed to the side of slag notch 12, makes collection tablet 221 to play a part of to push solid phase particles reach in rotary course, while also playing increase pushes active area, is conducive to raising to push effect；In addition scraping blade 25 in said structure and collection tablet 221 also further can be pushed and extruded to solid phase particles during solid phase particles are pushed, therefore solid phase particles are pushed to the structure moisture content for also helping after dry section and reducing mud cake.
In addition the pitch that pushing sheet 22 is wound on the outer wall of mandrel 21 is gradually reduced from the liquid outlet 11 of rotary drum 1 to the direction of slag notch 12, during the structure makes pushing sheet 22 that solid phase particles are pushed from decanting zone to dry section, because the spacing of pushing sheet 22 is less and less, therefore conveying area is just smaller, and increasing extruding force can be subject to, be conducive to solid phase particles in course of conveying by effectively extruding until draining, greatly reduce the moisture content of mud cake.
The above is only the preferred embodiment of invention, the protection domain of invention is not limited merely to above-described embodiment, and all technical schemes belonged under invention thinking belong to the protection domain of invention.It should be pointed out that for those skilled in the art, some improvements and modifications under the premise of inventive principle is not departed from, these improvements and modifications also should be regarded as the protection domain of invention.
Claims (10)
1. a kind of horizontal spiral discharge sedimentation centrifuge, including rotary drum and screw feeder, the screw feeder includes mandrel and around the pushing sheet being located on mandrel outer wall, the mandrel is provided with plup inlet, the rotary drum is respectively arranged at two ends with liquid outlet and slag notch, the liquid outlet is provided with overflow plate, it is characterized in that：The inwall of the plup inlet is arranged with the helical feed piece for making suspension discharge, and the liquid outlet is included and uniformly gathered in the filter opening of drum head, and the pushing sheet is provided with the scraping blade for increasing contact area with drum inner wall.
2. horizontal spiral discharge sedimentation centrifuge according to claim 1, it is characterized in that：The height of the helical feed piece is more than 1/2nd 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 set in bathtub construction.
4. horizontal spiral discharge sedimentation centrifuge according to claim 1, it is characterized in that：The scraping blade is set with the axle center angle of mandrel.
5. horizontal spiral discharge sedimentation centrifuge as claimed in any of claims 1 to 4, it is characterized in that：Direction of the pitch that the pushing sheet 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 is provided 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 at liquid outlet outside.
8. horizontal spiral discharge sedimentation centrifuge according to claim 1 and 2, it is characterized in that：The helical feed piece is detachably connected with the inwall of plup inlet.
9. the horizontal spiral discharge sedimentation centrifuge according to claim 1 or 4, it is characterized in that：The scraping blade is evenly distributed on pushing sheet, and the scraping blade of arbitrary neighborhood has partial traces to overlap in rotary course.
10. horizontal spiral discharge sedimentation centrifuge according to claim 9, it is characterized in that：The scraping blade is detachably connected with pushing sheet.
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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| Publication Number | Publication Date |
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| CN106694241A true CN106694241A (en) | 2017-05-24 |
| CN106694241B 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107551953A (en) * | 2017-10-12 | 2018-01-09 | 浙江方远新材料股份有限公司 | A kind of Doubleroller compaction granulator being granulated for sludge ceramsite |
| CN111729763A (en) * | 2020-07-27 | 2020-10-02 | 坚纳森（青岛）机械有限公司 | A centrifuge rotor structure |
| CN117019418A (en) * | 2023-10-08 | 2023-11-10 | 山东泰普锂业科技有限公司 | Horizontal spiral sedimentation centrifuge |
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| CN107551953A (en) * | 2017-10-12 | 2018-01-09 | 浙江方远新材料股份有限公司 | A kind of Doubleroller compaction granulator being granulated for sludge ceramsite |
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| CN111729763A (en) * | 2020-07-27 | 2020-10-02 | 坚纳森（青岛）机械有限公司 | A centrifuge rotor structure |
| CN117019418A (en) * | 2023-10-08 | 2023-11-10 | 山东泰普锂业科技有限公司 | Horizontal spiral sedimentation centrifuge |
| 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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|---|---|
| CN106694241B (en) | 2018-10-02 |
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