CN1181926C - Bag-turning pattern filtering centrifuge - Google Patents
Bag-turning pattern filtering centrifuge Download PDFInfo
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- CN1181926C CN1181926C CNB021313237A CN02131323A CN1181926C CN 1181926 C CN1181926 C CN 1181926C CN B021313237 A CNB021313237 A CN B021313237A CN 02131323 A CN02131323 A CN 02131323A CN 1181926 C CN1181926 C CN 1181926C
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- rotary drum
- siphon
- drum
- filter bag
- filtrate
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Abstract
The present invention relates to an inverting filter centrifuge. The inverting filter centrifuge comprises a rotary drum, a rotary drum cover, a turnover filter bag, a hollow main shaft and a shifting shaft, wherein the rotary drum can be rotatablely supported on a centrifuge casing and one end of the rotary drum is provided with the rotary drum cover which can seal the rotary drum; the turnover filter bag is arranged in the rotary drum; one end of the hollow main shaft is fixed to the bottom of the rotary drum to drive the rotary drum to rotate; the shifting shaft which can slide corresponding to the main shaft is arranged in the hollow main shaft; one end of the shifting shaft is fixed to a filter bag bottom fixed plate of the turnover filter bag; when the shifting shaft shifts corresponding to the main shaft, the turnover of the filter bag can take the rotary drum out or back. The outer side of the bottom of the rotary drum has a sealed annular slot-shaped siphon chamber and the wall of the siphon chamber is provided with a siphon hole communicated with a filtrate channel of the rotary drum. When the rotary drum is separated by means of centrifugation, propelling force for filtering the filtrate is strengthened by means of the centrifugal siphon action of the siphon chamber which is more than the inner diameter of the rotary drum.
Description
Technical field
The present invention relates to a kind of perforated wall centrifuge, particularly a kind of perforated wall centrifuge with upset filter bag mechanism.
Background technology
In bag-turning pattern filtering centrifuge, be typically the turned welt filtering centrifuge (patent No. 91101702.X and the patent No. 91101701.1) of German Heinkel Industriezentrifugen GmbH ﹠ Co.This centrifuge mainly comprises: a rotary drum that is supported in rotationally on the shell, one turnover filter bag is housed in the rotary drum, rotating cylinder one end has the lid of closing rotary drum, wherein rotary drum and lid make the filter bag upset by Hollow Transmission Shafts and the axial relative motion that can come and go between the flexible back shaft of a rotation in hollow shaft.In this bag-turning pattern filtering centrifuge, the separating and filtering of material is to finish by rotary drum and filter bag fully, therefore to improve the motive force of suspension filtered, will improve the rotary speed of rotary drum, but the rotary speed of rotary drum is subject to processing the restriction of the limit velocity of precision and bearing, causes the vibration of rotary drum easily.In addition, the too high meeting of rotating speed makes the material collision seriously cause particle to pulverize, and the rate of filtration on the contrary descends.One of other two kinds of methods that Germany Heinkel Industriezentrifugen GmbH ﹠ Co takes are to add gases at high pressure (number of patent application: 988073919), accomplish this point, then will increase air pump and high-pressure bottle, improve the cost of machine greatly in rotary drum.Two of method is to add high-temperature gas in the rotary drum, but this method is inapplicable to some heat sensitive materials.
Summary of the invention
The technical problem to be solved in the present invention is: by the bag-turning pattern drum structure is improved, make it utilize siphon to strengthen when centrifugal force separates and improve the motive force of suspension filtered, thereby improve bag-turning pattern centrifuge operating efficiency.
Technical scheme of the present invention: comprise a rotary drum that is rotatably supported on the casing, rotary drum one end has a rotary drum lid that can seal rotary drum, turnover filter bag is housed in the rotary drum, one end of a hollow spindle and the bottom of rotary drum are fixedly connected, the drive rotary drum rotates, being equipped with one in the hollow spindle can be with respect to the shifting axle of main shaft slip, fixed head is fixedly connected at the bottom of the filter bag of shifting axle one end and turning filter bag, can take or take back the filter bag upset of filter bag out of rotary drum during the relative main axle moving of shifting axle.The siphon chamber that one airtight annular groove shape is arranged between the bottom outside of rotary drum and annular slab, the internal diameter size of annular groove is greater than the internal diameter size of rotary drum, the siphon locular wall is provided with the siphon hole that communicates with rotary drum filter liquor passage, in the rotary drum centrifugation, utilization is strengthened the motive force that filtrate is filtered greater than the centrifugal siphonage of the siphon chamber of rotary drum internal diameter.
Siphon cell structure on the above-mentioned rotary drum: the rotatory drum wall of rotary drum bottom is abducent conical shell, form the siphon chamber of relative airtight annular groove shape with the bottom of the drum outside, being equipped with between filter bag and rotatory drum wall can be with the vertical bar lining net of having derived by the filtrate of filter bag, form filtrate channel between the vertical bar of vertical bar lining net and directly communicate, the filtrate in the passage is imported to the siphon chamber through siphon hole with the siphon hole of end, siphon chamber.The sectional area sum that forms filtrate channel between the vertical bar of vertical bar lining net should satisfy the requirement of filtrate throughput, and all siphon hole sectional area sums should satisfy the requirement of filtrate throughput.
Another structure of siphon chamber on the above-mentioned rotary drum: be covered with and the fixing shell body of rotary drum in the rotary drum periphery, shell body is radially cut by the bottom of the drum and is divided into two airtight relatively spaces, that is: the ring-type liquid collecting room that is formed by the inboard outer rim in rotary drum periphery wall, shell body internal perisporium and bottom of the drum; The siphon chamber that forms by shell body bottom and bottom of the drum lateral wall; In the bottom of the drum siphon hole that liquid collecting room is communicated with the siphon chamber is arranged, radial direction through hole is arranged on the rotatory drum wall, vertical bar lining net is arranged between filter bag and the rotatory drum wall, the filtrate by filter bag flows to liquid collecting room through the radial direction through hole on the rotatory drum wall, through siphon hole, sucks the siphon chamber.All siphon hole sectional area sums should satisfy the requirement of filtrate throughput.
Effect of the present invention: the siphon cell structure that on the filter bag type rotary drum, is provided with, when making the rotary drum centrifugation, utilization is greater than the centrifugal siphonage of the siphon chamber of rotary drum internal diameter, side at the close rotatory drum wall of filter bag forms certain vacuum, effectively strengthen the motive force that filtrate is filtered, filtration time can shorten 25%.Improved the efficient of filter bag type filtering centrifuge, and need not add any power and equipment, simple in structure, the separation of material that is suitable for is in extensive range.
Description of drawings
Fig. 1 has the bag-turning pattern filtering centrifuge schematic diagram of siphon chamber rotary drum.
The concrete structure schematic diagram of Fig. 2 siphon chamber rotary drum.
The structural representation of the another kind of siphon of Fig. 3 chamber rotary drum.
The contrast accompanying drawing is further described enforcement of the present invention below.
The specific embodiment
This bag-turning pattern filtering centrifuge as shown in Figure 1 and Figure 2, comprise a rotary drum 22 that is rotatably supported in front housing 21 and the middle casing 24, filter bag 6 (see figure 2)s are arranged in the rotary drum 22, hollow spindle 28, be supported in the main bearing seat 30 by base bearing 27 and base bearing 31 rotationally, bottom 11 (see figure 2)s of main shaft 28 1 ends and rotary drum 22 are fixedly connected, main shaft 28 is by belt pulley 32, belt 33, belt pulley 34 is driven by motor 35, and drive rotary drum 22 rotations, and motor 35 is fixed in motor support plate 36, and motor support plate 36 is fixed in base 37.Shifting axle 29 rotates with speed with main shaft 28, and can slide with respect to main shaft 28, fixed head 13 (see figure 2)s are fixedly connected at the bottom of the filter bag of shifting axle 29 1 ends and upset filter bag, when shifting axle 29 can and be taken rotary drum 22 out of relative to main shaft 28 with the upset of the filter bag of filter bag 6 when front housing 21 directions move, when shifting axle 29 can be taken back rotary drum relative to main shaft 28 with filter bag when above-mentioned opposite direction moves, rotary drum covers 1 (see figure 2) can be with rotary drum 22 sealings.The dividing plate of buffer action is together arranged between the casing 24 in the front housing 21, and bolt 23 is with front housing 21, and middle casing 24 and dividing plate are fixed.Plectane 26 connects the location with middle casing 24 and main bearing seat 30.There is feed pipe 20 in the central authorities of mmi machine shell 21, and the below of mmi machine shell 21 is solid phase outlets 40.It below middle casing 24 overflow box outlet 39.Rotary drum of the present invention comprises that a bottom outside at rotary drum has siphon chamber 18 (see figure 2)s of an airtight annular groove shape, the internal diameter size of annular groove is greater than the internal diameter size of rotary drum, the siphon locular wall is provided with siphon hole 10 (see figure 2)s that communicate with rotary drum filter liquor passage, in the rotary drum centrifugation, utilization is greater than the centrifugal siphonage of the siphon chamber of rotary drum internal diameter, side at the close rotatory drum wall of filter bag forms certain vacuum, strengthens the motive force that filtrate is filtered.Be the specific embodiment of rotary drum syphon structure of the present invention below.
Embodiment 1: as shown in Figure 2, one of siphon cell structure on the above-mentioned rotary drum: the rotatory drum wall 7 of rotary drum bottom is abducent conical shell, form the siphon chamber 18 of relative airtight annular groove shape with 11 outsides, bottom of the drum and annular slab (12), between filter bag 6 and rotatory drum wall 7, be equipped with and reduce the upset filter bag resistance of motion and the vertical bar of deriving by the filtrate of filter bag can be served as a contrast net 17, forming filtrate channel between the vertical bar of vertical bar lining net directly communicates with the siphon hole 10 of end, siphon chamber, filtrate in the passage is sucked the siphon chamber through siphon hole, and filtrate is discharged by siphon pipe 25.For producing siphonage, should there be liquid to enter and fill space between the strip-lining net of filter cloth back by feed tube 38, filler opening 10, fill liquid collecting room 41, filling part siphon chamber. the sectional area sum that forms filtrate channel between the vertical bar of vertical bar lining net should satisfy the requirement of filtrate throughput, and all siphon holes (10) sectional area sum should satisfy the requirement of filtrate throughput.
The rotary drum lid 1 of rotary drum 22 1 ends, spacer 16 welds together with fixed disc 13 at the bottom of the filter bag.Rotary drum covers 1 edge sealing ring 2, and rotary drum lid 1 is pressed on the pressure ring 3, and pressure ring 3 is pushed down the edge of filter bag, and bolt 4 is fixing with rotary drum upper edge 5 with pressure ring 3.The other end of filter bag is fixed at the bottom of the filter bag on the fixed disc 13 by filter bag base pressure ring 14 and bolt 15.By bolting one apertureddise 19, feed pipe is passed through at the center of hole circle plate 19 towards the rotary drum outside at the center of rotary drum lid 1.The separating and filtering process of present embodiment is, material enters from the feed pipe that rotary drum covers centre bore on 1, filtrate enters the vertical bar lining net 17 that is contained between filter bag 6 and the rotatory drum wall 7 by filter bag under the action of the centrifugal, utilization is greater than the centrifugal siphonage of the siphon chamber of rotary drum internal diameter, side at the close rotatory drum wall of filter bag forms certain vacuum, forms filtrate channel between the vertical bar of filtrate by vertical bar lining net 17 and is inhaled into the siphon chamber through siphon hole 10.
Embodiment 2: as shown in Figure 3, and two of the siphon cell structure on the above-mentioned rotary drum:
Be covered with and the fixing shell body 9 of rotary drum in the rotary drum periphery, shell body is radially cut by bottom of the drum 11 and is divided into two airtight relatively spaces, that is: the ring-type liquid collecting room 41 that is formed by rotary drum periphery wall 7, shell body internal perisporium and bottom of the drum 11 inboard outer rims; By the siphon chamber 18 that forms between shell body 9 bottoms and bottom of the drum 11 lateral walls and the annular slab (12); The siphon hole 10 that liquid collecting room is communicated with the siphon chamber is arranged in the bottom of the drum, radial direction through hole 8 is arranged on the rotatory drum wall, vertical bar lining net 17 is arranged between filter bag 6 and the rotatory drum wall 7, and the filtrate by filter bag flows to liquid collecting room 41 through the radial direction through hole 8 on the rotatory drum wall, sucks the siphon chamber through siphon hole 10.All siphon holes (10) sectional area sum should satisfy the requirement of filtrate throughput.
Claims (3)
1, a kind of bag-turning pattern filtering centrifuge, comprise a rotary drum that is rotatably supported on the casing, rotary drum one end has a rotary drum lid that can seal rotary drum, turnover filter bag is housed in the rotary drum, one end of a hollow spindle and the bottom of rotary drum are fixedly connected, the drive rotary drum rotates, being equipped with one in the hollow spindle can be with respect to the shifting axle of main shaft slip, fixed head is fixedly connected at the bottom of the filter bag of shifting axle one end and turning filter bag, can take or take back the filter bag upset out of rotary drum during the relative main axle moving of shifting axle, it is characterized in that: the siphon chamber that an airtight annular groove shape is arranged between the bottom outside of rotary drum and annular slab, the internal diameter size of annular groove is greater than the internal diameter size of rotary drum, the siphon locular wall is provided with the siphon hole that communicates with rotary drum filter liquor passage, is equipped with to reduce upset filter bag resistance of motion vertical bar lining net between filter bag and rotatory drum wall.
2, bag-turning pattern filtering centrifuge according to claim 1, it is characterized in that: the structure of the siphon chamber on the outside, bottom of the drum is: the rotatory drum wall of rotary drum bottom is abducent-conical shell, form the siphon chamber of relative airtight annular groove shape with the bottom of the drum outside, being equipped with between filter bag and rotatory drum wall can be with the vertical bar lining net of having derived by the filtrate of filter bag, forming filtrate channel between the vertical bar of vertical bar lining net directly communicates with the siphon hole of end, siphon chamber, filtrate in the passage is imported to the siphon chamber through siphon hole, the sectional area sum that forms filtrate channel between the vertical bar of vertical bar lining net should satisfy the requirement of filtrate throughput, and all siphon hole sectional area sums should satisfy the requirement of filtrate throughput.
3, according to the bag-turning pattern filtering centrifuge of claim 1, it is characterized in that: the siphon cell structure on the outside, bottom of the drum is: be covered with and the fixing shell body of rotary drum in the rotary drum periphery, shell body is radially cut by the bottom of the drum and is divided into two airtight relatively spaces, that is: the ring-type liquid collecting room that is formed by the inboard outer rim in rotary drum periphery wall, shell body internal perisporium and bottom of the drum; The siphon chamber that forms by shell body bottom and bottom of the drum lateral wall; The siphon hole that liquid collecting room is communicated with the siphon chamber is arranged in the bottom of the drum, radial direction through hole is arranged on the rotatory drum wall, vertical bar lining net is arranged between filter bag and the rotatory drum wall, filtrate by filter bag flows to liquid collecting room through the radial direction through hole on the rotatory drum wall, suck the siphon chamber through siphon hole, all siphon hole sectional area sums should satisfy the requirement of filtrate throughput.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021313237A CN1181926C (en) | 2002-09-27 | 2002-09-27 | Bag-turning pattern filtering centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021313237A CN1181926C (en) | 2002-09-27 | 2002-09-27 | Bag-turning pattern filtering centrifuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1485141A CN1485141A (en) | 2004-03-31 |
| CN1181926C true CN1181926C (en) | 2004-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021313237A Expired - Fee Related CN1181926C (en) | 2002-09-27 | 2002-09-27 | Bag-turning pattern filtering centrifuge |
Country Status (1)
| Country | Link |
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| CN (1) | CN1181926C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780439B (en) * | 2009-12-18 | 2012-01-18 | 江苏华大离心机制造有限公司 | Unloading device of centrifuge |
| CN102049356A (en) * | 2010-10-21 | 2011-05-11 | 江苏牡丹离心机制造有限公司 | Horizontal siphon centrifuger |
| CN109970612B (en) * | 2019-04-19 | 2020-10-09 | 聊城鲁西聚酰胺新材料科技有限公司 | Process for separating caprolactam concentrated solution |
| CN113171886A (en) * | 2021-04-06 | 2021-07-27 | 湖北雪飞化工有限公司 | A turn over a bag centrifuge for nitrocotton production |
| CN113499864B (en) * | 2021-07-10 | 2022-08-23 | 濮阳天健生物科技有限公司 | Centrifugal machine for chemical product production and use method thereof |
-
2002
- 2002-09-27 CN CNB021313237A patent/CN1181926C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1485141A (en) | 2004-03-31 |
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