CN202263649U - Horizontal spiral unloading sedimentation centrifuge - Google Patents
Horizontal spiral unloading sedimentation centrifuge Download PDFInfo
- Publication number
- CN202263649U CN202263649U CN2011204091618U CN201120409161U CN202263649U CN 202263649 U CN202263649 U CN 202263649U CN 2011204091618 U CN2011204091618 U CN 2011204091618U CN 201120409161 U CN201120409161 U CN 201120409161U CN 202263649 U CN202263649 U CN 202263649U
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- rotary drum
- spiral
- liquid
- sedimentation centrifuge
- horizontal spiral
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Abstract
The utility model relates to a rotary drum centrifuge with a spiral conveyer, in particular to a horizontal spiral unloading sedimentation centrifuge. A scraper is arranged on a flange, and the flange is connected onto the spiral conveyer through a screw. A liquid limit ring is arranged on the end part of a spiral large-end cylinder; the liquid limit ring is in a sheet circular shape, and the outer diameter of the liquid limit ring is smaller than the inner diameter of a cylindrical drum; and the middle part of the liquid limit ring is provided with a through hole, and the liquid limit ring is sleeved on the spiral large-end cylinder and is fixedly arranged. An adjusting plate is fixedly arranged on the large end cover of the drum, and is fixedly connected with a baffle. The horizontal spiral unloading sedimentation centrifuge has the characteristics of compact structure, convenience in installation, simplicity in operation, easiness for maintenance, good use effect and the like. The scraper can effectively scrap solid-phase particles and deposit, and has a good scraping effect, so that the safety of a seal ring and a bearing is protected. The liquid limit ring more benefits to the deposition of small solid-phase particles, so that the separation performance of a machine is greatly improved. The adjusting plate with the baffle effectively prevents flowing liquid from being splashed to the labyrinth seal ring and the liquid from being leaked, and protects the environment. The technology is applicable to the horizontal spiral unloading sedimentation centrifuge.
Description
Technical field
The utility model relates to a kind of rotary rotary drum centrifuge, particularly horizontal spiral discharge sedimentation centrifuge that auger conveyor is arranged.
Technical background
Horizontal spiral discharge sedimentation centrifuge utilizes has different densities and immiscible light, heavy-fluid and solid phase in the mixed liquor, in centrifugal force field, obtain the principle of different sinking speed, reaches the purpose of separating layering or making solid particles sediment in the liquid.This type ability automatic continuous operation; Be widely used in industrial departments such as chemical industry, light industry, food, ore dressing; In environment-friendly engineering, also be desirable equipment, be applicable to volumetric concentration≤40%, solid phase density greater than density of liquid phase, have the separation of the suspension of certain flowability.After solid phase particles deposits in rotary drum, be under the promotion of auger conveyor, discharge with the outlet of rotary drum small end solid phase; Auger conveyor is bearing in the rotary drum by bearing; With the sealing ring sealing, often occur when solid concentration is higher can not in time discharge rotary drum the time between itself and the little end cap of rotary drum, solid phase particles is pushed to the sealing ring place through the gap between auger conveyor and the little end cap of rotary drum easily; Sealing ring is easy to wear out failure after running into solid phase particles; Solid phase particles gets in the bearing and causes damage of bearings, thereby causes machine vibration and can not turn round, and has a strong impact on ordinary production.In addition, the solid particle in the liquid flows in the rotary drum from spiral material logical sequence and begins sedimentation, discharges from the big end of rotary drum until liquid phase; Solid particle precipitates gradually in this process; Wherein big particle deposition is very fast, and the fine particle deposition is slower, has the parts of fine microparticle can have little time sedimentation and discharges rotary drum with liquid; The spiral discharge sedimentation centrifuge that uses at present can't solve the exigent needs of liquid phase solid content, can influence the disposal ability of machine.Also have centrifuge in the process of separation of material, solid phase particles moves discharge to the small end discharging opening, and light phase (liquid) is outside helical duct flows to big end liquid phase outlet discharge machine.Existing this type of centrifuge, clear liquid directly wash away casing when the outside flat raft of the big end of rotary drum goes out, liquid splashes easily and leaks into the casing outside from the gap location of rotating shaft and casing labyrinth seal, and environment is polluted.
The utility model content
The utility model is realized with following technical scheme.
Horizontal spiral discharge sedimentation centrifuge, it is made up of auger conveyor, feed pipe, cylinder rotary drum, circular cone rotary drum, the big end cap of rotary drum, the little end cap of rotary drum, big-end bearing seat, little-end bearing seat, differential mechanism, drive disk assembly and support, casing.On the ring flange of small end, be fixed with scraper, ring flange has screw attachment on conveyer.The limit pendular ring is contained in the end of the big end cylindrical shell of spiral, and described limit pendular ring is the sheet annular, and its external diameter is littler than the internal diameter of cylinder rotary drum, and limit pendular ring middle part has through hole to be enclosed within on the big end cylindrical shell of spiral and installs.Have the adjustable plate of through hole to be packed on the big end cap of rotary drum with screw, adjustable plate is connected with barrier plate.Scraper on the ring flange periphery has a slice to four slice.The position of barrier plate shelters from the partial through holes of adjustable plate.Barrier plate and adjustable plate manufacture one or join together with welding or with screw is affixed.
Increase the horizontal spiral discharge sedimentation centrifuge of adjustable plate that scraper, limit pendular ring and band barrier plate are housed have compact conformation, easy for installation, simple to operate, characteristics such as be easy to safeguard, result of use is good.When service firing, it is effective that doctor edge is scraped the solid phase particles accumulation, effectively protects sealing ring and bearing safety, not worn and torn by solid phase particles, guarantees that machine runs well.The limit pendular ring more helps the fine particle deposition, has improved the separating property of machine greatly, can improve treating capacity about 20%, can solve and satisfy the user to the demanding needs of liquid phase solid content.The adjustable plate of band barrier plate can effectively stop the flow liquid gap location between the labyrinth seal that impacts rotating shaft and casing that splashes, and effectively prevents the past from here external leakage of liquid, prevents because of the leakage liquid contaminated environment.The present technique scheme is suitable for horizontal spiral discharge sedimentation centrifuge and uses.
Description of drawings
Fig. 1 horizontal spiral discharge sedimentation centrifuge structural representation.
Fig. 2 horizontal spiral discharge sedimentation centrifuge is equipped with the partial structurtes sketch map of scraper.
The flange plate structure master that Fig. 3 is equipped with scraper looks sketch map.
Fig. 4 is the side view of Fig. 3.
Fig. 5 horizontal spiral discharge sedimentation centrifuge is equipped with the partial structurtes sketch map of the limit pendular ring and the adjustable plate of band barrier plate.
Fig. 6 limits the pendular ring front view.
Fig. 7 is the side view of Fig. 6.
Fig. 8 barrier plate and adjustable plate draw bail front view.
Fig. 9 is the side view of Fig. 8.
The specific embodiment
In conjunction with accompanying drawing the utility model is done further explain.
Horizontal spiral discharge sedimentation centrifuge is made up of the big end cap of auger conveyor 5, feed pipe 8, cylinder rotary drum 11, circular cone rotary drum 10, rotary drum 12, rotary drum small end lid 13, big-end bearing seat 2, little-end bearing seat 7, differential mechanism 1, drive disk assembly and support 6, casing 3 etc.Divide the several sections explanation below:
(1) rotary drum part.
Form by the big end cap of circular cone rotary drum 10, cylinder rotary drum 11, rotary drum 12, rotary drum small end lid 13 etc.Big end axial distribution at rotary drum has six fluid holes 14, and liquid level is by adjustable plate 9 controls.For adapting to the needs of the different mass dryness fractions of various different materials and solid phase, this machine is regulated the liquid level size through the different overflow radiuses of changing adjustable plate 9, and the R value is big more, and the decanting zone is short more, and dry section is just long more, and the solid phase of separating is also just dried more; Otherwise the decanting zone is long more, and the liquid phase solid content of separating is just few more, and solid phase also phase strain is wet.The small end of rotary drum is radially distributed with eight solid phase outlets 16 that stud with anti-wearing liner.
(2) auger conveyor part.
Main inner core 17, blade 18 and ring flange 19 by the post cone, ring flange 20 etc. are formed.Blade 18 is welded on and becomes spiral yarn shaped on the cylindrical shell 17, and the cylindrical of blade 18 and pusher front are sprayed with one deck wearable hard alloy layer, and abrasion resistance is good, can repair after the sprayed coating wearing and tearing.There is cloth acceleration cone 22 at spiral discharging mouth 21 places, get into the rotary drum working chamber again after material is accelerated to the rotary drum rotating speed in advance, to reduce the impact of material to liquid pool.
(3) differential mechanism part.
This machine adopts 2H-H satellite differential 1, and transmission efficiency is high, reliable operation and compact conformation.Its cylindrical and rotary drum are done rotation synchronously, and output shaft drives augur.This machine has adopted after it, has guaranteed that rotary drum and auger conveyor rotate with different speed in the same way, and can obtain stable slip value.Tail end at differential mechanism is provided with Machine guarding, if auger conveyor pusher resistance is excessive, can throw off the driving coupling between differential mechanism and the auxiliary motor automatically, prevents that differential mechanism from damaging.
(4) drive disk assembly part.
Drive motors adopts common electric machine distribution transforming speed regulator frequently, and motor is regulated different centrifuge working speeds according to material characteristic, after differential mechanism power shaft 24 is fixed by overload protection arrangement 25, thereby makes rotary drum and spiral produce the difference rotating speed.
(5) scraper part.
Auger conveyor 5 is with sealing ring 31 sealings between itself and rotary drum small end cover 13 in bearing 30 is bearing in circular cone rotary drum 10.Two scrapers 28 fixedly are equipped with in welding on ring flange 20 peripheral walls, and ring flange 20 is connected on the auger conveyor 5 by screw 32.Sheet scraper 28 is the periphery that symmetric position is arranged in ring flange 20.
(6) limit pendular ring part.
(7) adjustable plate and barrier plate part.
The adjustable plate 9 of band barrier plate 15 is housed on the big end cap 12 of rotary drum, and present embodiment adjustable plate 9 manufactures one with barrier plate 15.The hole 34 of passing adjustable plate 9 with screw 29 is fixed on adjustable plate 9 and barrier plate 15 on the big end cap 12 of rotary drum together.Adjustable plate 9 has through hole 23.The partial through holes 23 of adjustable plate 9 is blocked in the position of barrier plate 15.
Operation principle
The horizontal spiral discharge sedimentation centrifuge of the utility model is by two motor-driven, and main motor drives rotary drum through belt and the differential mechanism shell rotates, and auxiliary motor is through differential mechanism speed change rear drive spiral.Rotary drum and spiral are rotated in the same way and have certain poor rotating speed.
When suspension gets into the auger conveyor inner chamber, after acceleration cone is quickened, flow out from discharging opening, flow to drum inner wall.Form the weight phase of suspension, owing to receive different centrifugal forces, the heavy phase fast deposition and gently attaches to the heavy phase surface mutually to drum inner wall, and weight has formed one deck interface between mutually.Along with increasing of heavy phase deposition; Helical blade 18 tops get into the heavy phase sedimentary deposit, rotary drum and auger conveyor rotation at a high speed just in the same way at this moment, and certain difference is arranged; This relative mistake rotating speed makes the heavy phase particle move to the small end discharging opening; And light through helical duct, flow to big end liquid phase exit, flow out through overflow plate.Liquid phase overflow stream radius is controlled by adjustable plate.
Scraper 4 courses of work:
After solid phase particles deposits in rotary drum; Be under the promotion of spiral liquid conveyer 5, to discharge from rotary drum small end solid phase outlet 16, auger conveyor leans on bearing 30 to be bearing in the circular cone rotary drum 10, and the sealing that itself and rotary drum small end cover between 13 is a sealing ring 31; When solid concentration is higher can not in time discharge rotary drum the time; Solid phase particles is pushed to sealing ring 31 places through the gap between auger conveyor 5 and the rotary drum small end lid 13 easily, and before not installing scraper 28 additional, sealing ring 31 is easy to wear out failure after running into solid phase particles; Solid phase particles gets in the bearing 30 can cause damage of bearings, thereby causes machine vibration and can not turn round.After small end ring flange 20 places at auger conveyor 5 had increased scraper 28, sheet scraper 28 was welded on the ring flange 20.Ring flange 20 is to be connected on the auger conveyor 5 with screw 32.When auger conveyor 5 relatively rotates the discharge of promotion solid phase particles in circular cone rotary drum 10; Scraper 28 rotates simultaneously; Just can and force to scrape with the solid phase particles scraping that is extruded onto circular cone rotary drum 10 awl ends; Avoid solid phase particles to pile up, thereby effectively protect sealing ring 31 and bearing 30, improved the machine operational reliability greatly.
Limit pendular ring 27 courses of work:
On the big end cylindrical shell 4 of spiral, increased limit pendular ring 27, the limit pendular ring 27 of toroidal is welded on the big end cylindrical shell 4 of spiral.Liquid in rotary drum in big end process of flowing; Stop that liquid flow direction no longer is a level, but oblique drum inner wall direction because of limit pendular ring 27; Solid particle also is towards drum inner wall when moving with liquid like this; Help the fine particle deposition more, improved the separating property of machine greatly, can improve treating capacity about 20%.
The barrier plate 15 and adjustable plate 9 courses of work:
The adjustable plate 9 of band barrier plate 15 is housed on the big end cap 12 of rotary drum, and the hole 34 of passing adjustable plate 9 with screw 29 is fixed on adjustable plate 9 and barrier plate 15 on the big end cap 12 of rotary drum together, thereby forms a right angle channel; Clear liquid from the big end of rotary drum when the through hole of adjustable plate 9 23 is discharged; Because barrier plate 15 has changed the flow direction of liquid, clear liquid is to throw away outwardly along the rotary drum radial direction, can not splash to labyrinth seal 26 places; Thereby effectively prevented the clear liquid leakage phenomenon, protected environment.
Claims (4)
1. horizontal spiral discharge sedimentation centrifuge; It is made up of auger conveyor, feed pipe, cylinder rotary drum, circular cone rotary drum, the big end cap of rotary drum, the little end cap of rotary drum, big-end bearing seat, little-end bearing seat, differential mechanism, drive disk assembly and support, casing; It is characterized in that on ring flange (20), being fixed with scraper (28); Ring flange (20) is connected on the auger conveyor (5) by screw (32), and limit pendular ring (27) is contained in the end of the big end cylindrical shell of spiral (4), and described limit pendular ring (27) is annular in the form of sheets; Its external diameter is littler than the internal diameter of cylinder rotary drum (11); Have through hole (33) to be enclosed within the big end cylindrical shell of spiral (4) in the middle part of the limit pendular ring (27) and go up and install, the adjustable plate (9) in through hole (23) is packed on the big end cap of rotary drum (12) with screw (29), and adjustable plate (9) is connected with barrier plate (15).
2. horizontal spiral discharge sedimentation centrifuge according to claim 1 is characterized in that scraper (28) on ring flange (20) periphery has a slice to four slice.
3. horizontal spiral discharge sedimentation centrifuge according to claim 1 is characterized in that the position of barrier plate (15) shelters from the partial through holes (27) of adjustable plate (9).
4. horizontal spiral discharge sedimentation centrifuge according to claim 1 is characterized in that barrier plate (15) and adjustable plate (9) manufacture body and function welding or fuse with screw is affixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204091618U CN202263649U (en) | 2011-10-24 | 2011-10-24 | Horizontal spiral unloading sedimentation centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204091618U CN202263649U (en) | 2011-10-24 | 2011-10-24 | Horizontal spiral unloading sedimentation centrifuge |
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| Publication Number | Publication Date |
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| CN202263649U true CN202263649U (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204091618U Expired - Fee Related CN202263649U (en) | 2011-10-24 | 2011-10-24 | Horizontal spiral unloading sedimentation centrifuge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363137A (en) * | 2011-10-24 | 2012-02-29 | 湘潭离心机有限公司 | Horizontal decanter solid-bowl centrifuge |
| CN103433153A (en) * | 2013-08-12 | 2013-12-11 | 江苏捷达离心机制造有限公司 | Liquid discharge height adjusting device of horizontal spiral discharge sedimentary centrifuge |
| CN108940611A (en) * | 2018-07-23 | 2018-12-07 | 浙江正达环保设备有限公司 | Horizontal spiral centrifuge |
| CN111927357A (en) * | 2019-05-13 | 2020-11-13 | 中国石油天然气集团有限公司 | Waste drilling fluid treatment device |
-
2011
- 2011-10-24 CN CN2011204091618U patent/CN202263649U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363137A (en) * | 2011-10-24 | 2012-02-29 | 湘潭离心机有限公司 | Horizontal decanter solid-bowl centrifuge |
| CN103433153A (en) * | 2013-08-12 | 2013-12-11 | 江苏捷达离心机制造有限公司 | Liquid discharge height adjusting device of horizontal spiral discharge sedimentary centrifuge |
| CN108940611A (en) * | 2018-07-23 | 2018-12-07 | 浙江正达环保设备有限公司 | Horizontal spiral centrifuge |
| CN108940611B (en) * | 2018-07-23 | 2020-09-22 | 浙江正达环保设备有限公司 | Horizontal spiral centrifuge |
| CN111927357A (en) * | 2019-05-13 | 2020-11-13 | 中国石油天然气集团有限公司 | Waste drilling fluid treatment device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20131024 |