CN107744683A - Filter - Google Patents
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- Publication number
- CN107744683A CN107744683A CN201710976686.1A CN201710976686A CN107744683A CN 107744683 A CN107744683 A CN 107744683A CN 201710976686 A CN201710976686 A CN 201710976686A CN 107744683 A CN107744683 A CN 107744683A
- Authority
- CN
- China
- Prior art keywords
- pipe
- cavity
- filter
- liquid
- filter screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 description 14
- 239000000835 fiber Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to paper making equipment technical field, more particularly to a kind of filter, including filter screen, described filter screen encloses to form cavity, the part cavity of cavity is immersed in liquid to be filtered, filter liquor in cavity submergence cavity is discharged through Drainage pipe, encloses to form the filter screen dictyosome of cavity exposure cavity and be fixed on the ullage of liquid to be filtered by fixed cell.The present invention's is rational in infrastructure, both can guarantee that the stability of filter effect, and can realizes the convenient changing of filter, and maintenance cost can be effectively reduced while production efficiency is improved.
Description
Technical field
The invention belongs to paper making equipment technical field, more particularly to a kind of filter.
Background technology
Drift slurry is the important procedure in papermaking and pulp slurrying production, for realizing the bleaching and washing of slurry.Generally first
Bleaching agent is added into slurries, after slurries bleaching to after meeting technological requirement, then washings is added and fully washs slurries, then
Mixed serum is driven to flow through tabular filter screen, the tabular filter screen is abound with the flow channels of slurries, and paper-making fibre is blocked by filter screen
Cut and remain to stay in slurries, and the washings containing remaining bleaching agent can then pass through filter screen and be discharged, so as to realize slurries
Washing and concentration.But filter screen is after long-term use, a large amount of fibers can be bonded on wire side, make the reduction of its filter effect, so as to shadow
Production efficiency is rung, and because filter screen is directly anchored on the pool wall of slurry pool starch the replaceable filter screen of operator, it is necessary to stop floating, will
Cause damp production, have a strong impact on manufacturing schedule.
The content of the invention
Installed it is an object of the invention to provide a kind of with dismantling filter convenient, that filter effect is stable.
To realize object above, the technical solution adopted by the present invention is：A kind of filter, including filter screen, described filter
Net is enclosed to form cavity, and the part cavity of cavity is immersed in liquid to be filtered, and the filter liquor in cavity submergence cavity is through discharge opeing
Pipeline is discharged, and encloses to form the filter screen dictyosome of cavity exposure cavity and be fixed on the ullage of liquid to be filtered by fixed cell.
Prior art is compared, and of the invention is rational in infrastructure, both can guarantee that the stability of filter effect, and and can realizes filtering
The convenient changing of device, maintenance cost can be effectively reduced while production efficiency is improved.
Brief description of the drawings
The content expressed by each accompanying drawing of this specification and the mark in figure are briefly described below：
Fig. 1,2,3 are the schematic diagrames of the present invention.
In figure：10. filter screen, 11. cavitys, 20. skeletons, 30. Drainage pipes, 31. hollow pipes, 32. feed tubes, 33. go out liquid
Pipe, 34. liquid pumping pipes, 35. pump liquid units, 36. aqueducts, 37. diversion valves, 38. air entraining pipes, 39. bleed valves.
Embodiment
Below in conjunction with the accompanying drawings, by the description to embodiment, the embodiment of the present invention is made further specifically
It is bright.
A kind of filter, as Figure 1-3, including filter screen 10, described filter screen 10 enclose to form cavity 11, cavity 11
Part cavity immerse in liquid to be filtered, submerge the filter liquor in cavity positioned at cavity 11 discharges through Drainage pipe 30, encloses shape
Filter screen dictyosome into the exposure cavity of cavity 11 is fixed on by fixed cell the ullage of liquid to be filtered.That is, filter screen 10
Part dictyosome immerse in liquid to be filtered and the part filter screen dictyosome extends upwardly to ullage, filter screen 10 is enclosed what is formed
Cavity 11 includes submergence portion and exposure portion.In use, filter is arranged in the liquid to be filtered of flowing, the submergence of cavity 11
The filter liquor accommodated in portion is discharged through Drainage pipe 30, you can the stable washing and concentration for realizing slurries；Fixed by fixed cell
The filter screen dictyosome in the exposure portion of cavity 11, you can the convenient installation of filter screen 10 is realized, further, by the filter screen for adjusting exposure portion
Dictyosome, you can the adjustment submergence portion size of cavity 11, so as to adjust the filter efficiency of filter.And fixed cell is located at slurries
Ullage, it is replaceable filter screen 10 without stopping floating slurry operation, can effective guarantee drift slurry job scheduling and operating efficiency.
Specifically, described filter screen 10 is attached on skeleton 20, skeleton 20 is made up of rod member, the part support body leaching of skeleton 20
Enter in liquid to be filtered and move or rotate under the driving of power source.Skeleton 20 enables filter screen 10 to keep fixed posture, from
And ensure the Stability and dependability of cavity 11.It should be noted that movement mentioned herein can be the drive in power source
Dynamic lower vibration, swing or the translation carried out, power source can be the liquid to be filtered of flowing wash away provided during filter screen 10 motive force,
Driving force that actuating unit provides etc., when the former is enough to promote filter screen 10, without adding actuating unit in addition.Skeleton 20 moves
Or rotate the filter screen 10 for be attached to its surface and move therewith, fiber retention can be avoided and be adhered to the surface of filter screen 10, and
And in motion process, can also shake off to be already adhered to the fiber of the outer surface of filter screen 10, so as to ensure filter filtering effect
The stability of fruit.
Further, filter also includes hollow pipe 31, hollow pipe 31 through described skeleton 20 and with the structure of skeleton 20
Into being rotatably assorted, hollow pipe 31 is fixed on the ullage of liquid to be filtered by bearing.So hollow pipe 31 is realizing that skeleton 20 can
While by installation, skeleton 20 is also enabled to drive the filter screen 10 being attached to thereon to be rotated around hollow pipe 31.In liquid stream to be filtered
When dynamic, driven without external force, filter is washed away with can be rotated under promoting around hollow pipe 31, so as to avoid liquid to be filtered
Fiber is adhered on filter screen 10.Hollow pipe 31 can be as shown in Figure 1 to arrange vertically, can also be horizontally disposed as shown in Figure 2.
Preferably, described cavity 11 is overall is in the form of a column, and the axle center of hollow pipe 31 overlaps with the center line of the cavity of cavity 11
Arrangement.That is, the filter screen 10 of skeleton 20 and cladding skeleton 20 forms open column shape body.In the present embodiment, cavity 11 is excellent
Elect cylindrical cavity, the axle center of hollow pipe 31 and the axis coinciding of the cylindrical cavity as.
Further, described Drainage pipe 30 be included in feed tube 32 that above-below direction in the cavity of cavity 11 arranges and
The drain pipe 33 of the outer above-below direction arrangement of the cavity of cavity 11, feed tube 32 connect with the upper end of drain pipe 33, and feed tube 32 enters
Water end (W.E.) is higher than the water side of drain pipe 33.The water inlet end of feed tube 32 and the arranged for interval of filter screen 10.Wherein, as shown in figure 1, when sky
When heart pipe 31 is arranged vertically, the hollow pipe 31 is feed tube.When in use, using siphon principle, water inlet end and water outlet are utilized
The difference in height at end can discharge filter liquor by the siphon of Drainage pipe 30, and discharge opeing is simple to operate and is driven without external force, and cost is low
It is honest and clean.
Preferably, the feed tube 32 is connected with the upper end of drain pipe 33 by hollow pipe 31, hollow pipe 31, feed tube 32 with
Drain pipe 33 collectively forms Drainage pipe 30.So hollow pipe 31 not only realizes the reliable installation of skeleton 20, plays rotational support
Effect, also turned on Drainage pipe into and out of liquid pipe 32,33, so as to ensure the stable emissions of filter liquor.It is specific as shown in Fig. 2
Hollow pipe 31 is horizontally disposed, and skeleton 20 is also horizontally disposed with coating the open column shape body that the filter screen 10 of skeleton 20 is formed, and so filters
The contact area of net 10 and liquid to be filtered is big so that the liquid to be filtered of flowing can provide enough motive forces to promote filter screen
10th, skeleton 20 rotates around hollow pipe 31, avoids a large amount of fibers of the fixed surface sediment of filter screen 10 or even bonding blocking, so as to
Influence its filter effect.Moreover, this also enables the liquid to be filtered of flowing fully to wash away filter screen 10, filter screen will be already adhered to
The fiber on 10 surfaces is washed down, and is further ensured that the stability of filter filter effect.
Further, described Drainage pipe 30 also includes liquid pumping pipe 34, and the upper end of liquid pumping pipe 34 connects with drain pipe 33
And the connectivity part of liquid pumping pipe 34 and drain pipe 33 is less than the liquid feeding end of feed tube 32, liquid pumping pipe 34 is provided with pump liquid unit 35.Such as
Shown in Fig. 2, pump liquid unit 35 can help Drainage pipe 30 to establish siphon liquid stream；Can also be excessive in slurry flow, siphon row
Liquid can not meet to start during discharge opeing demand, to accelerate discharge opeing efficiency.The setting of liquid pumping pipe 34 causes the pumping discharge of pump liquid unit 35
Liquid and siphon liquid stream discharged from different pipelines, while ensureing that siphon liquid stream can be established effectively, moreover it is possible to increase discharge opeing
The maximum discharge opeing efficiency of pipeline 30.
Preferably, described Drainage pipe 30 includes aqueduct 36, one end of aqueduct 36 and the upper tube of drain pipe 33
Duan Liantong, the other end connect with water source, and aqueduct 36 is provided with diversion valve 37.When it is implemented, in the water inlet end of feed tube 32
Stretch into below the liquid level of filter liquor and when the water side of drain pipe 33 is stretched into below the liquid level of discharge liquor, open diversion valve 37, control
The flow at water source processed so that current spray at a high speed from the water side of drain pipe 33 forms jet, by shape in such drainage pipeline 30
Into negative pressure.When the negative pressure in Drainage pipe 30 meet filter liquor produce siphon condition when, filter liquor will in the presence of negative pressure quilt
Suction Drainage pipe 30 simultaneously sets up siphon liquid stream in Drainage pipe 30, and now closing diversion valve 37 just can realize filter liquor
Automatic-discharging.Need exist for illustrating, the junction of aqueduct 36 and drain pipe 33 should be located at the upper tube of drain pipe 33
Section, and the end that aqueduct 36 connects with water source should be above aqueduct 36 and one end of the connection of drain pipe 33, in order to discharge opeing
The formation and maintenance of negative pressure in pipeline 30, so as to ensure that siphon liquid stream can be established effectively, preferred scheme is as shown in figure 3, aqueduct
36 arrange with the upper and lower of drain pipe 33 to postponing.
Preferably, as Figure 1-3, described Drainage pipe 30 includes air entraining pipe 38, and one end of air entraining pipe 38 is with going out liquid
Pipe 33 or hollow pipe 31 are located at the pipeline section connection in the outside of skeleton 20, the other end is in open-like shape, and air entraining pipe 38 is provided with bleed valve 39.
Bleed valve 39 is opened when siphon liquid stream so in Drainage pipe 30 is maintained so that air enters Drainage pipe from air entraining pipe 38
30, the pressure in Drainage pipe 30 is unsatisfactory for siphon condition, you can terminates siphon liquid stream.
Claims (10)
1. a kind of filter, including filter screen (10), it is characterised in that：Described filter screen (10) encloses to form cavity (11), recessed
The part cavity of chamber (11) is immersed in liquid to be filtered, and the filter liquor in cavity (11) submergence cavity is arranged through Drainage pipe (30)
Go out, enclose to form the filter screen dictyosome of cavity (11) exposure cavity and be fixed on the ullage of liquid to be filtered by fixed cell.
2. filter according to claim 1, it is characterised in that：Described filter screen (10) is attached on skeleton (20),
Skeleton (20) is made up of rod member, and the part support body of skeleton (20) immerses in liquid to be filtered and moves or turn under the driving of power source
It is dynamic.
3. filter according to claim 2, it is characterised in that：Also include hollow pipe (31), hollow pipe (31) runs through
Described skeleton (20) and being formed with skeleton (20) is rotatably assorted, and hollow pipe (31) is fixed on the liquid level of liquid to be filtered by bearing
Side.
4. filter according to claim 3, it is characterised in that：Described cavity (11) is integrally in the form of a column, hollow pipe
(31) axle center overlaps arrangement with the center line of cavity (11) cavity.
5. according to the filter described in claim any one of 1-4, it is characterised in that：Described Drainage pipe (30) is included in
The feed tube (32) and the drain pipe in the outer above-below direction arrangement of cavity (11) cavity that above-below direction is arranged in cavity (11) cavity
(33), feed tube (32) connects with the upper end of drain pipe (33), and the water inlet end of feed tube (32) is higher than the water outlet of drain pipe (33)
End.
6. filter according to claim 5, it is characterised in that：The feed tube (32) and the upper end of drain pipe (33)
Connected by hollow pipe (31), hollow pipe (31), feed tube (32) and drain pipe (33) collectively form Drainage pipe (30).
7. filter according to claim 6, it is characterised in that：Described Drainage pipe (30) includes liquid pumping pipe
(34), the upper end of liquid pumping pipe (34) connects with drain pipe (33) and the connectivity part of liquid pumping pipe (34) and drain pipe (33) is less than feed liquor
The liquid feeding end of (32) is managed, liquid pumping pipe (34) is provided with pump liquid unit (35).
8. filter according to claim 6, it is characterised in that：Described Drainage pipe (30) includes aqueduct
(36), one end of aqueduct (36) connects with the upper tubular section of drain pipe (33), the other end connects with water source, on aqueduct (36)
Provided with diversion valve (37).
9. filter according to claim 8, it is characterised in that：On described aqueduct (36) and drain pipe (33),
Postpone arrangement in lower direction.
10. filter according to claim 5, it is characterised in that：Described Drainage pipe (30) includes air entraining pipe
(38), one end of air entraining pipe (38) connects with the pipeline section that drain pipe (33) or hollow pipe (31) are located on the outside of skeleton (20), is another
End is in open-like shape, and air entraining pipe (38) is provided with bleed valve (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976686.1A CN107744683A (en) | 2017-10-19 | 2017-10-19 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976686.1A CN107744683A (en) | 2017-10-19 | 2017-10-19 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107744683A true CN107744683A (en) | 2018-03-02 |
Family
ID=61252723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710976686.1A Pending CN107744683A (en) | 2017-10-19 | 2017-10-19 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107744683A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19618048A1 (en) * | 1996-05-06 | 1997-11-13 | Chemieanlagenbau Stasfurt Ag | Vacuum drum filter for separating suspensions |
| KR20090001741U (en) * | 2007-08-20 | 2009-02-25 | 주식회사 그레넥스 | A filter device |
| CN202526986U (en) * | 2012-03-12 | 2012-11-14 | 四川通世达生物科技有限公司 | Improved filter |
| US20150292639A1 (en) * | 2012-10-01 | 2015-10-15 | Andritz Inc. | Flat-face valve for pulp rotary drum vacuum washer filter and method |
| WO2016093471A1 (en) * | 2014-12-09 | 2016-06-16 | 효림산업주식회사 | Unpowered contaminated groundwater purifying system using siphon |
| CN205760056U (en) * | 2016-05-25 | 2016-12-07 | 微山县南四湖渔业有限公司 | Automatic cleaning type Microfilter |
-
2017
- 2017-10-19 CN CN201710976686.1A patent/CN107744683A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19618048A1 (en) * | 1996-05-06 | 1997-11-13 | Chemieanlagenbau Stasfurt Ag | Vacuum drum filter for separating suspensions |
| KR20090001741U (en) * | 2007-08-20 | 2009-02-25 | 주식회사 그레넥스 | A filter device |
| CN202526986U (en) * | 2012-03-12 | 2012-11-14 | 四川通世达生物科技有限公司 | Improved filter |
| US20150292639A1 (en) * | 2012-10-01 | 2015-10-15 | Andritz Inc. | Flat-face valve for pulp rotary drum vacuum washer filter and method |
| WO2016093471A1 (en) * | 2014-12-09 | 2016-06-16 | 효림산업주식회사 | Unpowered contaminated groundwater purifying system using siphon |
| CN205760056U (en) * | 2016-05-25 | 2016-12-07 | 微山县南四湖渔业有限公司 | Automatic cleaning type Microfilter |
Non-Patent Citations (2)
| Title |
|---|
| 王绍文等主编: "环保设备材料手册 第2版", 北京：冶金工业出版社, pages: 714 - 715 * |
| 胡湘韩等著: "《喷射泵技术及其应用》", 31 May 1990, 黑龙江科学技术出版社, pages: 197 - 198 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180302 |
|
| RJ01 | Rejection of invention patent application after publication |