CN107489053B - Improved pulp washer or filament separator - Google Patents
Improved pulp washer or filament separator Download PDFInfo
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- CN107489053B CN107489053B CN201710877734.1A CN201710877734A CN107489053B CN 107489053 B CN107489053 B CN 107489053B CN 201710877734 A CN201710877734 A CN 201710877734A CN 107489053 B CN107489053 B CN 107489053B
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- roller
- squeezing
- pulp
- bearing net
- net
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention provides an improved pulp washer or a pulp splitter, which solves the problem that the pulp splitter or the pulp washer in the prior art has defects. The improved pulp washer or the improved silk separator comprises a rotary return roller and a pressing central roller, wherein the return roller and the pressing central roller are coated with a bearing net, a distributor for distributing materials to the bearing net is arranged between the return roller and the pressing central roller, and the inner side of the pressing central roller is provided with a discharging device; the device also comprises at least one pressing sub-roller which is propped against the pressing central roller, and all the pressing sub-rollers are contacted with the bearing net. The improved pulp washer or the improved filament separator has the advantages of simple structure, convenient use, realization of the pulp washing function or the filament separating function and good practicability.
Description
Technical Field
The invention relates to the technical field of papermaking machinery, in particular to a machine which is simple in structure and has a pulp washing or silk separating function.
Background
The silk machine that divides is the comparatively commonly used equipment of papermaking equipment for destroy the inside cohesion of tow in the thick liquids, divide the silk machine structure among the prior art as shown in figure 1, carry out the extrusion relatively with two spirals, left spiral extrusion force is greater than the spiral extrusion force on right side, finally extrude thick liquids from the discharge gate on right side, the silk machine operating condition that divides of this kind of structure is harsh, it is higher to the filling rate requirement of thick liquids, when the filling rate is low, do not divide the silk effect, when the filling rate is high, can destroy fibrous length again, and power consumption is high, most electric energy can pass through fibrous mutual extrusion friction and convert low efficiency heat energy, cause the waste of energy.
The pulp washer is also a device commonly used in paper making machinery and used for realizing the dehydration of paper pulp, the structure of the pulp washer in the prior art is shown in figure 2, a pulp spraying box 1 sprays the paper pulp between a grooved roll 2 and a dewatering screen 3, the centrifugal force of the grooved roll is used for dehydration, and then the extrusion force between the dewatering screen 3 and a return roll 4 is used for extrusion dehydration, the structure has the defect that the pulp outlet concentration is low, and generally, the pulp outlet concentration is difficult to exceed 15%.
Disclosure of Invention
The invention provides an improved pulp washer or a pulp splitter, which solves the problem that the pulp splitter or the pulp washer in the prior art has defects.
The technical scheme of the invention is realized as follows: an improved pulp washer or a silk dividing machine comprises a rotary return roll and a squeezing central roll, wherein a bearing net is coated on the return roll and the squeezing central roll, a distributor for distributing materials to the bearing net is arranged between the return roll and the squeezing central roll, and a discharging device is arranged on the inner side of the squeezing central roll;
the device also comprises at least one pressing sub-roller which is propped against the pressing central roller, and all the pressing sub-rollers are contacted with the bearing net.
As a preferred embodiment, the material distributor further comprises a shaking device for realizing the vibration of the supporting net, and the shaking device is used for uniformly redistributing the raw materials distributed on the supporting net by the material distributor.
In another preferred embodiment, the shaking device is arranged on a return roller, and the return roller drives the bearing net to vibrate.
As another preferred embodiment, the linear pressure between at least one of the press sub-rolls and the press center roll is greater than or equal to 400 kgf/cm.
As another preferred embodiment, the linear pressure between at least one of the press sub-rolls and the press center roll is greater than or equal to 500 kgf/cm.
As another preferred embodiment, the linear pressure between at least one of the press sub-rolls and the press center roll is greater than or equal to 600 kgf/cm.
As another preferred embodiment, the linear pressure between at least one of the press sub-rolls and the press center roll is greater than or equal to 1000 kgf/cm.
As another preferred embodiment, the linear pressure between at least one press sub-roll and the press center roll is greater than or equal to 3000 kgf/cm.
As another preferred embodiment, the tension of the supporting net is greater than or equal to 15 kgf/cm.
As another preferred embodiment, the tension of the supporting net is greater than or equal to 30 kgf/cm.
After the technical scheme is adopted, the invention has the beneficial effects that: this equipment can utilize the bearing net to press the crooked tension that the surface formed of central roller to realize squeezing the dehydration, can carry out the design effect to the thick liquids of attaching to on squeezing the central roller simultaneously, prevents to squeeze sub-roller crushing thick liquid layer, improves out thick liquid concentration greatly, goes out thick liquid concentration and can reach the limit dehydration concentration of thick liquids more than 48%, can destroy the inside cohesion of tow in the thick liquids even, realizes dividing the silk function.
When the raw materials distributed by the distributing device are raw materials or semi-raw materials which are not easy to disperse, the shaking device can effectively improve the distribution evenness and improve the yarn separating or pulp washing effect.
The shaking device is arranged on the return roller, and the return roller is utilized to drive the bearing net to vibrate, so that the whole equipment is simple in structure.
When the linear pressure between at least one squeezing sub-roll and the squeezing center roll reaches 400kgf/cm, the pulp yield concentration can reach 46% when the treated object is finished chemical wood pulp, and the pulp yield concentration can reach 44% when the treated object is deinked pulp.
When the linear pressure between at least one squeezing sub-roll and the squeezing center roll reaches 500kgf/cm, the pulp output concentration can reach 47% when the treated object is finished chemical wood pulp, and the pulp output concentration can reach 45% when the treated object is deinked pulp.
When the linear pressure between at least one squeezing sub-roll and the squeezing center roll reaches 600kgf/cm, the pulp output concentration can reach 49% when the treated object is finished chemical wood pulp, and the pulp output concentration can reach 47% when the treated object is deinked pulp.
When the linear pressure between at least one squeezing sub-roller and the squeezing center roller reaches 1000kgf/cm, the pulp outlet concentration can reach 50% when the treated object is finished chemical wood pulp, and the pulp outlet concentration can reach 48% when the treated object is deinked pulp, and the fiber bundle splitting function is preliminarily realized.
When the linear pressure between at least one squeezing sub-roller and the squeezing center roller reaches 3000kgf/cm, the papermaking raw material or semi-raw material can be directly divided into filaments, so that the good filament dividing effect is achieved, and if the treated raw material is wood chips, the good filament dividing effect can be achieved only by 3-5 times of squeezing and filament dividing.
When the treated object is wood pulp, the limit mechanical dewatering of the pulp can be realized under the condition that the tension of the supporting net is more than or equal to 15 kgf/cm.
When the treated object is deinked pulp, the ultimate mechanical dewatering of the pulp can be realized under the condition that the tension of the supporting net is greater than or equal to 30 kgf/cm.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a prior art filament separating machine;
FIG. 2 is a schematic diagram of a prior art washer;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 1-a slurry spraying box; 2-grooved rollers; 3-dewatering net; 4-turn back roller; 5-a doctor blade; 6-discharging spiral; 7-pressing the central roll; 8-supporting net; 9-a distributor; 10-press sub-rolls.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
an embodiment of the improved washer or splitter of the present invention is shown in fig. 3, where the arrows indicate the direction of travel of the various components. The embodiment comprises a rotary return roller 4 and a squeezing center roller 7, wherein a bearing net 8 is coated on the return roller 4 and the squeezing center roller 7, a distributor 9 used for distributing materials onto the bearing net 8 is arranged between the return roller 4 and the squeezing center roller 7, a discharging device is arranged on the inner side of the squeezing center roller 7, the discharging device comprises a scraping knife 5 and a discharging screw 6, and the scraping knife 5 is used for scraping wet paper attached to the outer surface of the squeezing center roller 7 and conveying the wet paper out through the discharging screw 6.
This embodiment also comprises at least one (three shown) press sub-roll 10 against the press central roll 7, all press sub-rolls 10 being in contact with the supporting web 8. This equipment can utilize bearing net 8 to press the crooked tension that the surface of central roller 7 formed and realize squeezing the dehydration, can carry out the design effect to the thick liquids that are attached to on squeezing central roller 7 simultaneously, prevents to squeeze sub-roller 10 and crushes the thick liquid layer, improves out thick liquid concentration greatly, goes out thick liquid concentration and can reach the limit dehydration concentration more than 48% of thick liquids.
The experimental data prove that:
when the linear pressure between at least one press sub-roll 10 and the press center roll 7 reaches 400kgf/cm, the pulp yield concentration can reach 46% when the treated object is finished chemical wood pulp, and the pulp yield concentration can reach 44% when the treated object is deinked pulp.
When the linear pressure between at least one press sub-roll 10 and the press central roll 7 reaches 500kgf/cm, the pulp yield concentration can reach 47% when the treated object is finished chemical wood pulp, and the pulp yield concentration can reach 45% when the treated object is deinked pulp.
When the linear pressure between at least one press sub-roll 10 and the press central roll 7 reaches 600kgf/cm, the pulp yield concentration can reach 49% when the treated object is finished chemical wood pulp, and the pulp yield concentration can reach 47% when the treated object is deinked pulp.
When the linear pressure between at least one squeezing sub-roll 10 and the squeezing central roll 7 reaches 1000kgf/cm, the pulp output concentration can reach 50% when the treated object is finished chemical wood pulp, and the pulp output concentration can reach 48% when the treated object is deinked pulp, and the fiber bundle splitting function is preliminarily realized.
When the linear pressure between at least one squeezing sub-roller 10 and the squeezing central roller 7 reaches 3000kgf/cm, the papermaking raw material or semi-raw material can be directly divided, so that the good dividing effect is achieved, and if the treated raw material is wood chips, the good dividing effect can be achieved only by extruding and dividing for 3-5 times.
Secondly, when the object to be treated is wood pulp, the ultimate mechanical dewatering of the pulp can be realized under the condition that the tension of the bearing net 8 is more than or equal to 15 kgf/cm.
When the treated object is deinked pulp, the ultimate mechanical dewatering of the pulp can be realized under the condition that the tension of the bearing net 8 is more than or equal to 30 kgf/cm.
In addition, the embodiment further comprises a shaking device (not shown in the figure) for realizing the vibration of the supporting net 8, and the shaking device is used for uniformly redistributing the raw materials distributed on the supporting net 8 by the distributing device 9. The shaking device can be directly arranged on the return roller 4, and the supporting net 8 is driven to vibrate by the shaking of the return roller 4.
The improved pulp washer or the improved filament separator has the advantages of simple structure, convenient use, realization of the pulp washing function or the filament separating function and good practicability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A divide silk machine which characterized in that: the cloth distributing device comprises a rotary return roller and a pressing central roller, wherein a bearing net is coated on the return roller and the pressing central roller, a cloth distributor for distributing materials onto the bearing net is arranged between the return roller and the pressing central roller, and a discharging device is arranged on the inner side of the pressing central roller;
the device also comprises at least one squeezing sub-roller which is abutted against the squeezing central roller, all the squeezing sub-rollers are contacted with the bearing net, the linear pressure between the at least one squeezing sub-roller and the squeezing central roller is more than or equal to 3000kgf/cm, and the treated object is semi-raw meal or wood chips.
2. The yarn separating machine of claim 1, wherein: the device also comprises a shaking device for realizing the vibration of the bearing net and is used for uniformly redistributing the raw materials distributed on the bearing net by the distributing device.
3. The yarn separating machine of claim 2, wherein: the shaking device is arranged on the turn-back roller, and the turn-back roller drives the bearing net to vibrate.
4. The yarn separating machine of claim 1, wherein: the tension of the supporting net is more than or equal to 15 kgf/cm.
5. The yarn separating machine of claim 1, wherein: the tension of the supporting net is greater than or equal to 30 kgf/cm.
6. A divide silk machine which characterized in that: the cloth distributing device comprises a rotary return roller and a pressing central roller, wherein a bearing net is coated on the return roller and the pressing central roller, a cloth distributor for distributing materials onto the bearing net is arranged between the return roller and the pressing central roller, and a discharging device is arranged on the inner side of the pressing central roller;
the chemical wood pulp processing device also comprises at least one squeezing sub-roller which is abutted against the squeezing central roller, all the squeezing sub-rollers are contacted with the bearing net, the linear pressure between the at least one squeezing sub-roller and the squeezing central roller is more than or equal to 1000kgf/cm, and the processed object is the finished chemical wood pulp.
7. The filament separating machine according to claim 6, wherein: the device also comprises a shaking device for realizing the vibration of the bearing net and is used for uniformly redistributing the raw materials distributed on the bearing net by the distributing device.
8. The filament separating machine according to claim 7, wherein: the shaking device is arranged on the turn-back roller, and the turn-back roller drives the bearing net to vibrate.
9. The filament separating machine according to claim 6, wherein: the tension of the supporting net is more than or equal to 15 kgf/cm.
10. The filament separating machine according to claim 6, wherein: the tension of the supporting net is greater than or equal to 30 kgf/cm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710877734.1A CN107489053B (en) | 2017-09-26 | 2017-09-26 | Improved pulp washer or filament separator |
| PCT/CN2018/107627 WO2019062764A1 (en) | 2017-09-26 | 2018-09-26 | Improved pulp washer or shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710877734.1A CN107489053B (en) | 2017-09-26 | 2017-09-26 | Improved pulp washer or filament separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107489053A CN107489053A (en) | 2017-12-19 |
| CN107489053B true CN107489053B (en) | 2019-12-24 |
Family
ID=60651969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710877734.1A Active CN107489053B (en) | 2017-09-26 | 2017-09-26 | Improved pulp washer or filament separator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107489053B (en) |
| WO (1) | WO2019062764A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489053B (en) * | 2017-09-26 | 2019-12-24 | 深圳德为纤维环保科技有限公司 | Improved pulp washer or filament separator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2496621Y (en) * | 2001-08-17 | 2002-06-26 | 杨三 | Rolling slicing and fiber-drawing machine |
| CN2576769Y (en) * | 2002-10-19 | 2003-10-01 | 李风宁 | High-speed stock washer |
| CN2828111Y (en) * | 2005-06-17 | 2006-10-18 | 李风宁 | High speed pulp washing machine |
| CN202519514U (en) * | 2012-03-30 | 2012-11-07 | 山东沃特环保有限公司 | High-speed pulp washer with pulp collector |
| CN202786925U (en) * | 2012-09-13 | 2013-03-13 | 山东冠军纸业有限公司 | Belt-type pulp washer with dual pressure areas |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08144184A (en) * | 1994-11-18 | 1996-06-04 | Sumitomo Heavy Ind Ltd | Pulp washing machine |
| SE504471C2 (en) * | 1995-06-12 | 1997-02-17 | Kvaerner Pulping Tech | Drum filter supported by carrier rolls for washing fiber material |
| SE0202733D0 (en) * | 2002-09-16 | 2002-09-16 | Skogsind Tekn Foskningsinst | Process and arrangement for replacing fluid in fibers with a replacement fluid |
| SE525565C2 (en) * | 2003-07-01 | 2005-03-08 | Metso Paper Inc | Process and washing press for washing and dewatering a fiber suspension |
| CN205653660U (en) * | 2016-05-20 | 2016-10-19 | 河南百汇环保科技股份有限公司 | Press master |
| CN107489053B (en) * | 2017-09-26 | 2019-12-24 | 深圳德为纤维环保科技有限公司 | Improved pulp washer or filament separator |
-
2017
- 2017-09-26 CN CN201710877734.1A patent/CN107489053B/en active Active
-
2018
- 2018-09-26 WO PCT/CN2018/107627 patent/WO2019062764A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2496621Y (en) * | 2001-08-17 | 2002-06-26 | 杨三 | Rolling slicing and fiber-drawing machine |
| CN2576769Y (en) * | 2002-10-19 | 2003-10-01 | 李风宁 | High-speed stock washer |
| CN2828111Y (en) * | 2005-06-17 | 2006-10-18 | 李风宁 | High speed pulp washing machine |
| CN202519514U (en) * | 2012-03-30 | 2012-11-07 | 山东沃特环保有限公司 | High-speed pulp washer with pulp collector |
| CN202786925U (en) * | 2012-09-13 | 2013-03-13 | 山东冠军纸业有限公司 | Belt-type pulp washer with dual pressure areas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107489053A (en) | 2017-12-19 |
| WO2019062764A1 (en) | 2019-04-04 |
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Address after: 518000 Bantian street, Longgang, Shenzhen, Guangdong province Tianan cloud Valley phase one AI innovation Hall (2 201) Applicant after: Shenzhen De Wei fiber environmental protection technology Co., Ltd. Address before: 518100 Guangdong Shenzhen Longgang District Bantian Street snow Gang Road 2018 Tianan cloud Valley 1 B block 1F Applicant before: Shenzhen wisdom Technology Co., Ltd. |
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