CN2616300Y - Internal-filtering type differential-discharge fully-automatic filter centrifuge - Google Patents
Internal-filtering type differential-discharge fully-automatic filter centrifuge Download PDFInfo
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- CN2616300Y CN2616300Y CN 03221634 CN03221634U CN2616300Y CN 2616300 Y CN2616300 Y CN 2616300Y CN 03221634 CN03221634 CN 03221634 CN 03221634 U CN03221634 U CN 03221634U CN 2616300 Y CN2616300 Y CN 2616300Y
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- filter
- discharging
- rotary drum
- differential
- push rod
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Abstract
The utility model relates to an automatic filtering centrifuge for intra-filtering-type differential discharging, the framework of which comprises a few pairs of radial and symmetrical intra filter leaves, a pushing and unloading device including a differential nut and a push-lead-screw, and a depositing rotary drum, wherein the intra filter leaves which are connected with the push-lead-screw and the differential nut sequentially via a pushing tray, is disposed in the rotary drum. The rotary drum is connected with the pushing and unloading device which substantially includes the differential nut and the push-lead-screw via a chief axis. The utility model has the advantages that the rotary drum is depositing and employs a few pairs of radial and symmetrical intra filter leaves as filter elements to laterally filter the suspending liquid materials in the rotary drum. As the radial thickness of the filter cake becoming thicker and thicker in the filtering procedure, thin cake filtration is always around the free surface of the suspension. The utility model has a filtration velocity, can carry out effective separation to the suspension containing fine viscous solid phase, and can ensure that the solid particle can't be squashed in the discharge process and that the filter dielectric surface has no residual cake filtration after the discharging, thereby reclaiming the solid particle and improving the regenerative condition of the filter medium. No oil leakage, no oil seeping.
Description
Technical field
The utility model relates to a kind of can carry out effective Separation of Solid and Liquid to the suspension that contains particulate viscosity solid phase and take off liquid-solid phase (filter cake) discharging fully, on the filter medium noresidue cake layer and solid phase particles not by the inward flow filtration-type automatic centrifuge of breakage.Belong to the centrifugal separator technical field.
Background technology
Carry out Separation of Solid and Liquid or require to filter back solid phase discharging for the suspension that contains particulate viscosity solid phase thorough, not residual solid phase on the filter medium, and solid phase adopts common centrifuge usually to be difficult to the effect that reaches good during not by breakage.
Scraper centrifugal machine and link-suspended basket centrifuge filtrate with fixing cake layer are more clear, also more dried for the filter cake after the suspension filtered that contains the crystalloid solid phase, but at filter medium surface progressive additive, filtration resistance also increases gradually with filter cake, and filtering rate significantly reduces; For thin sticking or compressible filter cake even can't continue to filter.After the discharging on the filter screen all residual one deck filter cake unload endless, and solid phase is easily by the scraper fragmentation.Filtering screw centrifuge and the blue centrifuge of awl with thin cake layer and dynamic filtration characteristic, its screen surface thin layer filter cake constantly upgrades, filtration resistance is less all the time, disposal ability is big, but particulate solid phase leakage material is many in filtering, and then can not fully take off liquid because of disengaging time is of short duration for thin sticking material.Screw settling centrifuge utilizes the sedimentation principle to separate the solid-liquid two-phase, can the suspension that contain particulate viscosity solid phase be separated, but the filter residue water capacity that separation obtains is higher, and filtrate is clarification inadequately also.The bag-turning pattern centrifuge is the filter cloth upset during because of discharging, the filter cake of filter cloth bag inner surface can be unloaded to the greatest extent, the noresidue filter cake, centrifugal discharge also is unlikely to damaged solid phase particles under the low speed, but fixing thick cake layer is the same with scraper centrifugal machine exists filtration resistance to increase gradually for it, filtering rate significantly reduces, so that can't filter the shortcoming of the material with carefully sticking or compressibility filter cake.
Summary of the invention
The purpose of this utility model is defective and the limitation that exists in using at above-mentioned several centrifuges, proposes a kind of full-automatic filtering centrifuge of the inward flow filtration-type with interior filter leaf sheet that adopts the side direction work principle of filter.Technical solution of the present utility model: its structure is by severally radially being the interior filter leaf sheet of symmetrical distribution to having, mainly comprising that the pusher device for discharging of differential nut and leading screw push rod and decanter type rotary drum form, interior filter leaf sheet wherein is connected with the differential nut with the leading screw push rod successively by the pusher dish, interior filter leaf sheet is assemblied in the rotary drum, and rotary drum is connected with the pusher device for discharging that mainly comprises differential nut and leading screw push rod by main shaft.Advantage of the present utility model: this machine rotary drum is the decanter type rotary drum, adopts the radial internal filter leaf sheet of number that is symmetric arrangement as filter element, the suspension material in the rotary drum is carried out side direction filter.Because interior filter leaf sheet gos deep into material bed entire depth, in the filter process during radial thickness progressive additive of filter cake, all the time can realize that near the close material bed Free Surface of the centre of gyration thin cake layer filters, because its filtration resistance is little, improved the rate of filtration, thereby can the suspension that contain particulate viscosity solid phase effectively be separated, there is the suspension of compressibility filter cake also can separate to part.The mode of low-speed centrifugal discharging can guarantee that solid phase particles is not broken in the discharge process, and noresidue cake layer after the filter medium surface discharging of interior filter leaf sheet has fully reclaimed solid phase particles, has improved the reproduction condition of filter medium simultaneously.The pusher device for discharging of differential nut---leading screw push rod has overcome the drawback of the leakage of oil of common employing hydraulic pressure material-pulling device, oil impregnate pollution working environment.
Description of drawings
Accompanying drawing 1 is a centrifugation fundamental diagram of the present utility model.
Wherein Fig. 1-a is the released state schematic diagram, and Fig. 1-b is the side-looking generalized section of Fig. 1-a, and Fig. 1-c is the discharging view.
Accompanying drawing 2 is structural representations of the present utility model.
Accompanying drawing 3-1 is an interior filter leaf chip architecture schematic diagram of the present utility model.
Accompanying drawing 3-2 is the side-looking generalized section of Fig. 3-1.
Accompanying drawing 4 is differential nuts of the present utility model---the schematic diagram of leading screw push rod pusher device for discharging.
Among the figure 1 is rotary drum, the 2nd, interior filter leaf sheet, the 3rd, suspension, the 4th, loading hopper, the 5th, the suspension bed of material in the rotary drum, the 6th, filtrate, the 7th, the pusher dish, the 8th, outage, the 9th, the Free Surface of suspension, the 10th, the leading screw push rod, the 11st, lip ring, the 12nd, filter cake, the 13rd, filter frame, the 14th, skeleton, the 15th, the lining net, the 16th, filter cloth, the 17th, pressing plate, the 18th, nut bolt, the 19th, liquid-collecting bin, the 20th, unload feed bin, the 21st, main shaft, the 22nd, rolling bearing, the 23rd, sliding bearing, the 24th, feather key, the 25th, the cleaning solution shower, the 26th, the cleaning solution shower, the 27th, the cleaning solution shower, the 28th, balance pipe, the 29th, gas-liquid separator, the 30th, differential nut---leading screw push rod pusher device for discharging, the 31st, main motor, the 32nd, the belt pulley transmission, the 33rd, the belt pulley transmission, the 34th, auxiliary-motor, the 35th, the belt pulley transmission, the 36th, the differential nut, the 37th, the filter cake cleaning solution, the 38th, shock absorber.
The specific embodiment
Contrast accompanying drawing 1, centrifuge has a no filtering holes sedimentation rotary drum 1, balanced configuration has several (even number 4-16) radial interior filter leaf sheet 2 in the rotary drum, rotary drum 1 starts to high speed, begin to add suspension to be separated 3, suspension 3 flow in the loading hopper 4 and obtains speedup, and flow into material bed 5 of formation garden annular in the rotary drum 1 thus, filtrate 6 enters inside through the two sides of interior filter leaf sheet 2, and the filtrate hole on pusher dish 7 flow to the outage 8 of rotary drum 1 rear end, filtrate is discharged rotary drum 1 thus, enters liquid-collecting bin 19 (accompanying drawing 2), then discharge centrifuge.Carry out along with continuing of filtering in the reinforced process, the thickness of filter cake (radial direction) progressive additive, but be that thin cake layer filters all the time near the Free Surface 9 of suspension, so the rate of filtration is very fast, also can filter the suspension that contains particulate viscosity solid phase.Filter when finishing, the centrifuge reduction of speed is to low speed, leading screw push rod 10 will filter discharging parts (comprising pusher dish 7, interior filter leaf sheet 2, lip ring 11 and loading hopper 4) by differential nut 36 and axially pass out rotary drum 1 (accompanying drawing 1-C) then, filter cake 12 is got rid of to unloading in the feed bin 20 under centrifugal action, then discharge centrifuge.
Contrast Fig. 3-1,3-2, filter leaf sheet 2 is connected between pusher dish 7 and the lip ring 11 in the filter element, it is made up of a plurality of parts, there is skeleton 14 supporting the lining net 15 of both sides in the rectangle filter frame 13, the outside of lining net 15 is covered with filter cloth 16, pressing plate 17 is fixed on the both sides of filter frame 13 by nut bolt 18, and pressing plate 17 is in order to compress filter cloth 16, lining net 15 and skeleton 14.Lining net 15 is a stainless steel wire plain weave net, and effective filtration area is big.Skeleton 14 is as the fundamental parts that supports lining net 15, and also as the passage of filtrate 6 circulations, the Nei Bao space of skeleton 14 is big simultaneously, has guaranteed that therefore filtrate 6 is mobile very unobstructed.
Contrast Fig. 2,4, the full-automatic filtering centrifuge of the differential discharging of inward flow filtration-type is by severally radially being the interior filter leaf sheet 2 of symmetrical distribution to having, mainly comprising that the pusher device for discharging 30 of differential nut 36 and leading screw push rod 10 and decanter type rotary drum 1 form, interior filter leaf sheet 2 wherein is connected with differential nut 36 with leading screw push rod 10 successively by pusher dish 7, interior filter leaf sheet 2 is assemblied in the rotary drum 1, and rotary drum 1 is connected with the pusher device for discharging 30 that mainly comprises differential nut 36 and leading screw push rod 10 by main shaft 21.Pusher device for discharging 30 is made up of leading screw push rod 10, main motor 31 and belt pulley transmission 32,33, auxiliary-motor 34 and belt pulley transmission 35 thereof, differential nut 36, filtering the discharging parts is made up of pusher dish 7, interior filter leaf sheet 2, lip ring 11, loading hopper 4, leading screw push rod 10 in the pusher device for discharging 30 screws mutually with differential nut 36, and pusher device for discharging 30 is connected with filtration discharging parts by pusher dish 7.Adopting the differential nut---the pusher device for discharging 30 of leading screw push rod is one to be specifically designed to the differential system of the Dual-motors Driving of removal internal filtering in rotating drum cake.The main motor 31 of centrifuge promptly drives rotary drum 1 rotation at a high speed simultaneously by belt pulley 32,33 drive shaft 21.Decanter type rotary drum 1 is no filtering holes, and by the effect of differential nut 36 with leading screw push rod 10, the interior filter leaf sheet 2 that is connected on the pusher dish 7 can be reciprocating in rotary drum 1.10 of leading screw push rods are driven by feather key 24 and rotate synchronously with main shaft 21 all the time.Auxiliary-motor 34 drags differential nut 36 by belt pulley 35, with the rotating speed rotation inequality with main shaft 21.When centrifuge feeds in raw material and during high-speed separation, main shaft 21 is done rotation at a high speed, differential nut 36 rotates in the same way with the rotating speed a little less than main shaft 21, differential nut 36 does relative motion with leading screw push rod 10, formation pulls to leading screw push rod 10 axially-movable (accompanying drawing 4) in left side, make the lip ring 11 of rotary drum 1 be pressed in the end face of the opening of rotary drum 1 tightly, form the filter space of rotary drum 1.This stage differential nut 36 design speed is lower than the rotating speed of main shaft 21 and leading screw push rod 10 all the time, but after leading screw push rod 10 pulling lip rings compress the end face of rotary drum 1, leading screw push rod 10 can not remake axially-movable, and differential nut 36 promptly rotates (being higher than the former working speed of auxiliary-motor) synchronously with leading screw push rod 10.The difference of the rotating speed of differential nut 36 design speed and main shaft 21 and leading screw push rod 10 exists all the time, this just guaranteed centrifuge reinforced with separation process in rotary drum lip ring 11 compress the axis sealing of rotary drum 1 end face all the time.Filter cake 12 as need wash can be by feed pipe feeding cleaning solution 37 unloading filter cake 12 before, takes off removal filter cake 12 behind the liquid once more.When centrifuge separate to finish to carry out removal filter cake 12, main motor 31 was reduced to than the slow-speed of revolution, and the low speed discharging can avoid the solid phase particles of filter cake 12 to be broken, the unbalance vibration in the time of also can alleviating the load of passing filter cake 12 in the rotary drum 1 and discharging simultaneously.During beginning removal filter cake 12, auxiliary-motor 34 is corresponding reduction of speed simultaneously, and the speed drop that makes differential nut 36 is to the discharging speed a little more than main shaft 21 and leading screw push rod 10, this moment, differential nut 36 acted on leading screw push rod 10, make leading screw push rod 10 axially-movable to the right (accompanying drawing 4), thereby promote to filter the discharging parts and leave rotary drum 1 together with filter cake 12, filter cake 12 breaks away from and filters the discharging parts and get rid of to unloading feed bin 20 under centrifugal action, and then discharge centrifuge.
At liquid-collecting bin 19, unload and be respectively equipped with cleaning solution shower 25,26,27 on the feed bin 20, can separate finish the back to rotary drum 1, filter element in the leakage fluid dram 8 of filter leaf sheet 2 and rotary drum 1 rear end wash, simultaneously also to liquid-collecting bin 19, unload feed bin 20 and wash.Dispose shock absorber 38 under the centrifuge support, the vibration in the time of can absorbing the centrifuge running, the unlikely basis that reaches.For guaranteeing liquid-collecting bin 19 and the pressure balance of unloading feed bin 20, be provided with the balance pipe 28 and the gas-liquid separator 29 of connection between them.
Claims (4)
1, the full-automatic filtering centrifuge of the differential discharging of inward flow filtration-type, it is characterized in that by severally radially being the interior filter leaf sheet (2) of symmetrical distribution, mainly comprising that the pusher device for discharging (30) of differential nut (36) and leading screw push rod (10) and decanter type rotary drum (1) form having, interior filter leaf sheet (2) wherein is connected with differential nut (36) with leading screw push rod (10) successively by pusher dish (7), interior filter leaf sheet (2) is assemblied in the rotary drum (1), and rotary drum (1) is connected with the pusher device for discharging (30) that mainly comprises differential nut (36) and leading screw push rod (10) by main shaft (21).
2, the full-automatic filtering centrifuge of the differential discharging of inward flow filtration-type as claimed in claim 1, filter leaf sheet (2) is by filter frame (13) in it is characterized in that, skeleton (14), lining net (15), filter cloth (16) and pressing plate (17) are formed, four to 16 interior filter leaf sheets (2) are connected between pusher dish (7) and the lip ring (11), there is skeleton (14) supporting the lining net (15) of both sides in the rectangle filter frame (13), the outside of lining net (15) is covered with filter cloth (16), pressing plate (17) is fixed on the both sides of filter frame (13) by nut bolt (18), and pressing plate (17) compresses filter cloth (16), lining net (15) and skeleton (14).
3, the full-automatic filtering centrifuge of the differential discharging of inward flow filtration-type as claimed in claim 1, it is characterized in that pusher device for discharging (30) is by leading screw push rod (10), main motor (31) and belt pulley transmission (32) thereof, (33), auxiliary-motor (34) and belt pulley transmission (35) thereof, differential nut (36) forms, filter the discharging parts by pusher dish (7), interior filter leaf sheet (2), lip ring (11), loading hopper (4) is formed, leading screw push rod (10) in the pusher device for discharging (30) screws mutually with differential nut (36), and pusher device for discharging (30) is connected with filtration discharging parts by pusher dish (7).
4, the full-automatic filtering centrifuge of the differential discharging of inward flow filtration-type as claimed in claim 1, it is characterized in that decanter type rotary drum (1) is no filtering holes, by the effect of differential nut (36) with leading screw push rod (10), the interior filter leaf sheet (2) that is connected on the pusher dish (7) can be reciprocating in rotary drum (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03221634 CN2616300Y (en) | 2003-05-07 | 2003-05-07 | Internal-filtering type differential-discharge fully-automatic filter centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03221634 CN2616300Y (en) | 2003-05-07 | 2003-05-07 | Internal-filtering type differential-discharge fully-automatic filter centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2616300Y true CN2616300Y (en) | 2004-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03221634 Expired - Lifetime CN2616300Y (en) | 2003-05-07 | 2003-05-07 | Internal-filtering type differential-discharge fully-automatic filter centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2616300Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275246A (en) * | 2013-07-03 | 2015-01-14 | 何贵庭 | Sedimentation filtering centrifuge and method thereof |
| CN104437900A (en) * | 2014-11-27 | 2015-03-25 | 覃湘 | Push plate filtering device of piston pushing centrifugal machine |
| CN106362468A (en) * | 2016-09-05 | 2017-02-01 | 天津亿利科能源科技发展股份有限公司 | Multifunctional durable petroleum filter |
| CN111495008A (en) * | 2020-04-08 | 2020-08-07 | 陈萍 | Automatic unloading type filtering device |
| CN111686944A (en) * | 2020-06-24 | 2020-09-22 | 台州职业技术学院 | FWZ type bag-turning type centrifugal machine, control method and application |
-
2003
- 2003-05-07 CN CN 03221634 patent/CN2616300Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275246A (en) * | 2013-07-03 | 2015-01-14 | 何贵庭 | Sedimentation filtering centrifuge and method thereof |
| CN104275246B (en) * | 2013-07-03 | 2016-07-27 | 何贵庭 | A kind of Sedimentation centrifugel and method thereof |
| CN104437900A (en) * | 2014-11-27 | 2015-03-25 | 覃湘 | Push plate filtering device of piston pushing centrifugal machine |
| CN106362468A (en) * | 2016-09-05 | 2017-02-01 | 天津亿利科能源科技发展股份有限公司 | Multifunctional durable petroleum filter |
| CN111495008A (en) * | 2020-04-08 | 2020-08-07 | 陈萍 | Automatic unloading type filtering device |
| CN111686944A (en) * | 2020-06-24 | 2020-09-22 | 台州职业技术学院 | FWZ type bag-turning type centrifugal machine, control method and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130507 Granted publication date: 20040519 |