CN110359309A - A kind of paper grade (stock) pressurized screen - Google Patents
A kind of paper grade (stock) pressurized screen Download PDFInfo
- Publication number
- CN110359309A CN110359309A CN201910657807.5A CN201910657807A CN110359309A CN 110359309 A CN110359309 A CN 110359309A CN 201910657807 A CN201910657807 A CN 201910657807A CN 110359309 A CN110359309 A CN 110359309A
- Authority
- CN
- China
- Prior art keywords
- screen
- rotor
- pressure sieve
- screen cylinder
- sieve rotor
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/023—Stationary screen-drums
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The present invention relates to paper making equipment fields, and disclose a kind of paper grade (stock) pressurized screen, including screen drum, shaft, screen cylinder, pressure sieve rotor, scum pipe, discharge pipe, inlet pipe, the inside of the pressure sieve rotor is communicated with the inside of screen drum, and the side of the pressure sieve rotor is equipped with several rotor blocks.The paper grade (stock) pressurized screen, it is communicated by screen cylinder and pressure sieve rotor and its Orifice-plate design at top, so that the paper pulp entered falls with the inside of screen cylinder and pressure sieve rotor, in pressure sieve rotor rotation, paper pulp in rotor block effect screen cylinder on pressure sieve rotor, the paper pulp in screen cylinder is acted on by the paper pulp that pressure sieve rotor rotating centrifugal is thrown away simultaneously, so that the slurry for flowing through filter screen in screen cylinder is not in the eddy flow state of an angle always, effectively the eddy flow paper pulp at the filter screen of screen cylinder side is squeezed, ensure that strainer is not easy to plug, it will not influence the filter efficiency of subsequent slurry.
Description
Technical field
The present invention relates to paper making equipment field, specially a kind of paper grade (stock) pressurized screen.
Background technique
The advantages of in-flow pressurized screen is a kind of pulp sifting equipment, has screening quality high, and ability reaches, is suitable as wood
The fine screen equipment of slurry, straw pulp and secondary stock, working principle are following (referring to Fig. 5): paper pulp is entered by inlet pipe 9, is passed through simultaneously
Driving motor driving leads slag case 6 and the pressure sieve rotor 4 inside screen cylinder 3 is driven to rotate, and qualified paper pulp leads to rapidly by pressure difference
Screen cylinder is crossed, is screened by screen cylinder, the thick impurity in separating pulp.
However, existing pressurized screen is in use, by the turning effort of pressure sieve rotor, paper pulp is formed to be vortexed paper pulp
State runs through screen cylinder by pressure difference, and the slurry for flowing through filter screen in screen cylinder is made to be in the rotation of an angle always
Stream mode, the thick impurity in paper pulp is easy to be stuck in the sieve screen apertures of screen cylinder, so that the problem that results in blockage, reduces subsequent pulp screen
The efficiency of choosing.
Summary of the invention
The present invention provides a kind of paper grade (stock) pressurized screen, the advantages of strainer for having screen cylinder is not easy to plug, solves background
The technical issues of being mentioned in technology.
The invention provides the following technical scheme: a kind of paper grade (stock) pressurized screen, including screen drum, shaft, screen cylinder, pressurized screen turn
Son, scum pipe, discharge pipe, inlet pipe, the inside of the pressure sieve rotor are communicated with the inside of screen drum, the pressure sieve rotor
Side is equipped with several rotor blocks, and the inside of rotor block is communicated with the inside of pressure sieve rotor, and is offered on the outside of rotor block logical
Slot, the bottom of the screen drum inner cavity, which is equipped with, leads slag case for connect filter residue.
Preferably, the inner cavity of the screen drum is equipped with the homogenizing plate being located at the top of screen cylinder, and the homogenizing plate is located at inlet pipe
Lower section offers several permeable holes, and the inside for opening up range and being located at screen cylinder of permeable hole in the middle part of the homogenizing plate.
Preferably, the bottom of the pressure sieve rotor inner cavity is fixedly connected with locating shaft, and fixing sleeve is equipped with spiral shell on locating shaft
Vane piece.
Preferably, slag case and the scum pipe of leading is connected, and it is lower to lead the side bottom that slag case and scum pipe are connected, described
Slag case is led to communicate with the inner cavity of screen cylinder.
The present invention have it is following the utility model has the advantages that
The paper grade (stock) pressurized screen, is communicated and its Orifice-plate design at top by screen cylinder and pressure sieve rotor, so that into
Paper pulp fall with the inside of screen cylinder and pressure sieve rotor, the rotor block in pressure sieve rotor rotation, on pressure sieve rotor
Paper pulp in screen cylinder is acted on, while the paper pulp in screen cylinder is acted on by the paper pulp that pressure sieve rotor rotating centrifugal is thrown away, so that screen cylinder
Inside flow through the eddy flow state that the slurry of filter screen is not in an angle always, effectively to the filter screen of screen cylinder side at
Eddy flow paper pulp is squeezed, it is ensured that strainer is not easy to plug, and will not influence the filter efficiency of subsequent slurry；Meanwhile slurry is certain
The lower injection pressure sieve rotor of pressure effect in, helical blade is impacted, for pressure sieve rotor rotation provide it is certain
Power overcomes the injection that paper pulp is vortexed in screen cylinder to will increase the resistance of rotor rotor, further improves the screening efficiency of paper pulp；
And homogenizing plate carries out primary filtration to the larger particles in slurry, avoids larger thick impurity in paper pulp and blocks pressure sieve rotor
The problem of
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure of the invention screen cylinder cut away view；
Fig. 3 is structure of the invention homogenizing plate top view；
Fig. 4 is structure of the invention pressure sieve rotor schematic diagram；
Fig. 5 is existing pressurized screen principle sketch.
In figure: 1, screen drum；2, shaft；3, screen cylinder；4, pressure sieve rotor；401, rotor block；402, through slot；403, it positions
Axis；404, helical blade；5, homogenizing plate；501, permeable hole；6, slag case is led；7, scum pipe；8, discharge pipe；9, inlet pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of paper grade (stock) pressurized screen, including screen drum 1, shaft 2, screen cylinder 3, pressure sieve rotor 4, scum pipe
7, discharge pipe 8, inlet pipe 9, the inside fixing sleeve of screen drum 1 are equipped with screen cylinder 3, and the bottom of 1 side of screen drum, which is connected, to be had at screen cylinder 3
Discharge pipe 8, the top of 1 other side of screen drum, which is connected, inlet pipe 9, and the bottom of 1 other side of screen drum, which is connected, to be had positioned at 3 lower section of screen cylinder
Scum pipe 7, the middle part of 1 inner cavity of screen drum is equipped with the pressure sieve rotor 4 being located in screen cylinder 3, and pressure sieve rotor 4 is with shaft 2
Rotation, shaft 2 is driven by driving motor to be rotated, and the outside of pressure sieve rotor 4 is equipped with several rotor blocks 401, rotor block 401 it is interior
Portion is communicated with the inside of pressure sieve rotor 4, and the outside of rotor block 401 offers through slot 402, and the bottom of rotor block 401 opens up
Have a through-hole lower for thick slag row, the inner cavity of screen drum 1 is set with the homogenizing plate 5 positioned at 3 top of screen cylinder, homogenizing plate 5 pass through screw into
Row is fixed, the middle part of homogenizing plate 5 offers several permeable holes 501, the inner cavity for opening up range and being located at screen cylinder 3 of permeable hole 501
Top so that slurry is uniformly distributed, while carrying out primary filtration to the larger particles in slurry, avoids because frequent in waste paper purchase
Property the largely trimming shredded paper class containing tectorial paper that has be packaged useless and packed nylon books class waste paper, such waste paper makes
Used time, after pulper size degradation, the plastic sheet of overlay film and the nylon braided bag after smashing can be mixed by the sieve plate of pulper
In slurry, it can entwine with a small amount of staple etc. in coarse sizing workshop section and be stuck in 401 top of rotor block together, influence equipment just
Normal operation problem, and homogenizing plate 5 is located at the lower section of inlet pipe 9, the bottom of 4 inner cavity of pressure sieve rotor is fixedly connected with locating shaft
403, fixing sleeve is equipped with helical blade 404 on locating shaft 403, the bottom of 1 inner cavity of screen drum be equipped be located at 3 lower section of screen cylinder leads slag case
6, the side and scum pipe 7 for leading slag case 6 are connected, and it is lower to lead the side bottom that slag case 6 and scum pipe 7 are connected, after filtering
Thick slag discharge, slurry are entered by inlet pipe 9, flow into screen cylinder 3 and pressure sieve rotor 4 by the permeable hole 501 at 5 middle part of homogenizing plate
It is interior, while under the driving of driving motor, pressure sieve rotor 4 rotates, and under the turning effort of rotor block 401, is located in screen cylinder 3
Paper pulp by the filter screen of its side wall through filtering, thin paper pulp is discharged after transmission by discharge pipe 8, and thick slag, which is fallen into, leads in slag case 6,
It is discharged through scum pipe 7, when pressure sieve rotor 4 rotates, opposite helical blade 404 is rotated with, and falls into pressure sieve rotor 4
Under slurry and helical blade 404 act on, get rid of to rotor block 401, when pressure sieve rotor 4 rotates, slurry is by through slot in rotor block 401
402 throw away, and power are provided to the paper pulp thrown away in rotor block 401, when rotating to rotor block 401, to the slurry acted in screen cylinder 3
Material carries out lateral impact, so that the slurry that filter screen is flowed through in screen cylinder 3 is not in the eddy flow state of an angle always, it will not
Additional impact abrasion is caused simultaneously to screen cylinder 3, when filter pulp, well to the eddy flow paper at the filter screen of 3 side of screen cylinder
Slurry is squeezed, and is effectively avoided filter net jam, is influenced the filter efficiency of slurry, meanwhile, slurry is acted in certain pressure
In lower injection pressure sieve rotor 4, the slurry fallen into impacts helical blade 404, and the rotation for pressure sieve rotor 4 provides one
Fixed power generates vortex, vortex and rotor work when avoiding the single rotation of pressure sieve rotor 4 on the working face of rotor
Make the interaction between the effect and vortex in face and will lead to vortex to project outward rapidly, the vortex of injection can with inside sieve nest
Vortex interaction and carry out momentum-exchange, make project be vortexed instantaneous velocity become larger, momentum increase, in the process, mention
The power of confession overcomes the injection of vortex to will increase the resistance of rotor rotor, further improves the screening efficiency of paper pulp.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of paper grade (stock) pressurized screen, including screen drum (1), shaft (2), screen cylinder (3), pressure sieve rotor (4), scum pipe (7), row
Slurry pipe (8), inlet pipe (9), it is characterised in that: the inside of the pressure sieve rotor (4) is communicated with the inside of screen drum (1), described
The side of pressure sieve rotor (4) is equipped with several rotor blocks (401), the inside of rotor block (401) and the inside of pressure sieve rotor (4)
It communicates, and offers through slot (402) on the outside of rotor block (401), the bottom of screen drum (1) inner cavity is equipped with for connecing filter residue
Lead slag case (6).
2. a kind of paper grade (stock) pressurized screen according to claim 1, it is characterised in that: the inner cavity of the screen drum (1) is equipped with position
Homogenizing plate (5) at the top of screen cylinder (3), the homogenizing plate (5) are located at the lower section of inlet pipe (9), the middle part of the homogenizing plate (5)
It offers several permeable holes (501), and the inside for opening up range and being located at screen cylinder (3) of permeable hole (501).
3. a kind of paper grade (stock) pressurized screen according to claim 1, it is characterised in that: pressure sieve rotor (4) inner cavity
Bottom is fixedly connected with locating shaft (403), and fixing sleeve is equipped with helical blade (404) on locating shaft (403).
4. a kind of paper grade (stock) pressurized screen according to claim 1, it is characterised in that: described to lead slag case (6) and scum pipe (7)
It connects, and it is lower to lead the side bottom that slag case (6) and scum pipe (7) are connected, the inner cavity phase for leading slag case (6) with screen cylinder (3)
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657807.5A CN110359309B (en) | 2019-07-20 | 2019-07-20 | Pressure screen for papermaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657807.5A CN110359309B (en) | 2019-07-20 | 2019-07-20 | Pressure screen for papermaking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110359309A true CN110359309A (en) | 2019-10-22 |
| CN110359309B CN110359309B (en) | 2020-12-25 |
Family
ID=68221438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910657807.5A Active CN110359309B (en) | 2019-07-20 | 2019-07-20 | Pressure screen for papermaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110359309B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962323A (en) * | 2020-08-10 | 2020-11-20 | 玖龙纸业(天津)有限公司 | Improve pressure screen of thick liquids screening quality |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1267241A (en) * | 1968-04-16 | 1972-03-15 | ||
| DE2111895A1 (en) * | 1971-03-12 | 1972-09-14 | Doerries Gmbh | Paper stock suspension disintegrator - increasing effective disintegrating area by cutting back radial stock supply tubes |
| FR2183341A5 (en) * | 1972-05-03 | 1973-12-14 | Voith Gmbh | Paper-making lump disintegrator - for fibre suspensions from waste paper |
| US5232552A (en) * | 1988-11-17 | 1993-08-03 | Sunds Defibrator Industries Aktiebolag | Screening device |
| DE4337243A1 (en) * | 1993-10-30 | 1994-03-17 | Voith Gmbh J M | Sorting unit for particulate material - has symmetrical rotary sieve within housing having inlet located at end furthest from rotating drum bearing particle conveyor wings. |
| CN202519521U (en) * | 2012-03-31 | 2012-11-07 | 福建省盈丰再生资源利用有限公司 | Headbox |
| WO2013083509A1 (en) * | 2011-12-09 | 2013-06-13 | Voith Patent Gmbh | Screen device for screening a fibrous-material suspension |
-
2019
- 2019-07-20 CN CN201910657807.5A patent/CN110359309B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1267241A (en) * | 1968-04-16 | 1972-03-15 | ||
| DE2111895A1 (en) * | 1971-03-12 | 1972-09-14 | Doerries Gmbh | Paper stock suspension disintegrator - increasing effective disintegrating area by cutting back radial stock supply tubes |
| FR2183341A5 (en) * | 1972-05-03 | 1973-12-14 | Voith Gmbh | Paper-making lump disintegrator - for fibre suspensions from waste paper |
| US5232552A (en) * | 1988-11-17 | 1993-08-03 | Sunds Defibrator Industries Aktiebolag | Screening device |
| DE4337243A1 (en) * | 1993-10-30 | 1994-03-17 | Voith Gmbh J M | Sorting unit for particulate material - has symmetrical rotary sieve within housing having inlet located at end furthest from rotating drum bearing particle conveyor wings. |
| WO2013083509A1 (en) * | 2011-12-09 | 2013-06-13 | Voith Patent Gmbh | Screen device for screening a fibrous-material suspension |
| CN202519521U (en) * | 2012-03-31 | 2012-11-07 | 福建省盈丰再生资源利用有限公司 | Headbox |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962323A (en) * | 2020-08-10 | 2020-11-20 | 玖龙纸业(天津)有限公司 | Improve pressure screen of thick liquids screening quality |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110359309B (en) | 2020-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212263843U (en) | Classified screening device for rice processing | |
| US4919797A (en) | Screening apparatus for paper making stock | |
| CN110359309A (en) | A kind of paper grade (stock) pressurized screen | |
| CN111558516A (en) | High-efficient medicinal powder shale shaker | |
| CN108380327A (en) | A kind of kitchen waste treater that two-stage crushes | |
| GB2070466A (en) | Separator for the separation of a mixture of a cellulose pulp suspension and coarse heavy particles | |
| CN210614350U (en) | Drum screen with dust removal device | |
| EP0650542B1 (en) | Screening apparatus for papermaking pulp | |
| US3970548A (en) | Apparatus for screening paper fiber stock | |
| CN208555018U (en) | A kind of quartz sand classification screening plant | |
| CN207793741U (en) | A kind of desanding device that corrugation is used for paper processing | |
| CN207493797U (en) | Sludge crusher | |
| CN213494068U (en) | Vertical sand mill of dual cycle | |
| CN109622161A (en) | Novel modularized wet method crude disintegrating apparatus | |
| CN112761010A (en) | Production process of harmless regenerated high-grade double-ash fiber special paper | |
| CN2109882U (en) | Automatic seperator for processing starch from potato kind | |
| CN210410956U (en) | Automatic screening plant of municipal domestic waste | |
| CN212283138U (en) | Solid-liquid separation decrement equipment | |
| CN214638019U (en) | Traditional chinese medicine powder screening plant | |
| CN210935172U (en) | Magnet processing is with smashing screening plant | |
| DE102004025149A1 (en) | Pressure sorted for sieving a pulp suspension | |
| CN207546718U (en) | A kind of cement material flour mill | |
| EP3676446B1 (en) | Separation device | |
| CN216825074U (en) | Rotor and filter device | |
| CN209076785U (en) | A kind of multistage beater disintegrating machine |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201211 Address after: Qi Li Ying Zhen Xin Zhuang Cun, Xinxiang County, Xinxiang City, Henan Province Applicant after: Henan Xinya new technology packaging materials Co.,Ltd. Address before: Group 2, Dongxi village, Yongxi County, Hunan Province Applicant before: Zhang Bin |
|
| TA01 | Transfer of patent application right |