CN104358174A - Paper pulp recycling device - Google Patents
Paper pulp recycling device Download PDFInfo
- Publication number
- CN104358174A CN104358174A CN201410651258.8A CN201410651258A CN104358174A CN 104358174 A CN104358174 A CN 104358174A CN 201410651258 A CN201410651258 A CN 201410651258A CN 104358174 A CN104358174 A CN 104358174A
- Authority
- CN
- China
- Prior art keywords
- housing
- filtering net
- pulp
- wireway
- filtration net
- 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
- 229920001131 Pulp (paper) Polymers 0.000 title abstract description 11
- 238000004064 recycling Methods 0.000 title abstract 5
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 6
- 239000011343 solid material Substances 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 2
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 239000010893 paper waste Substances 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 9
- 239000000835 fiber Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010813 municipal solid waste Substances 0.000 description 4
- 238000013019 agitation Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- 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
-
- 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
- D21D5/04—Flat screens
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a pulp recycling device. A three-layer filtering net structure is adopted, so that solid substances with different sizes can be filtered, and the effect of solid and liquid separation is achieved. Paper pulp meeting a requirement is collected from a liquid outlet in the bottom of a shell. The solid substances retained on the three-layer filtering net structure are guided out through a solid material recycling pipe, so that the aims of recycling and separation are fulfilled. Furthermore, impurities attached to the filtering net are effectively removed by the steps that high-pressure gas is filled through a gas guiding pipe on the bottom, liquid is stirred by a large number of gas bubbles generated by the high-pressure gas, and then the impurities attached to the filtering net are reversely separated from the filtering net while effectively washing the filtering net. The pulp recycling device provided by the invention is simple in structure, the paper pulp can be effectively recycled, and the filtering net is not required to be detached and washed.
Description
Technical field
The present invention relates to a kind of paper making equipment, be specifically related to a kind of pulp saver.
Background technology
Waste paper, makes a general reference recyclable regenerative resource discarded through using in productive life, comprises various high-grade paper, yellow plate paper, litter decoration, trimming paper, packing paper, business unit's paper using, engineering paper using, books and periodicals newspaper etc.In the world, waste paper generally divides into Europe useless, U.S. useless and useless three kinds of day.In China, the cycling and reutilization degree of waste paper is lower compared with western developed country.
The raw material of paper is mainly the strings such as timber, grass, reed, bamboo, and waste paper is otherwise known as " secondary stock ", and recycled paper products is produced in topmost purposes or fiber reuse.According to the difference of fibre composition, carry out corresponding recycle by paper kind and at utmost could play waste paper resources value.
Waste paper, in pulping process, in order to improve the utilization rate of waste paper, needs to recycle waste paper fibre as much as possible.In waste paper pulp-making process, waste paper pulp contains more rubbish, utilizes solid-liquid separation system by the rubbish in slurry and fiber separation in traditional waste paper pulp-making.On the one hand, the viscosity of waste paper pulp is comparatively large, adds, easily blocks fie screen, need often to carry out rinsing and safeguarding to isolated by filtration.Moreover owing to being mixed with a large amount of rubbish in waste paper pulp, rubbish can be attached on filter screen, affects filter effect, and cleaning is got up also very complicated.Have a strong impact on operating efficiency, the manpower that extra consumption is a large amount of and time, affect production efficiency and output.
Summary of the invention
The object of the present invention is to provide a kind of pulp saver, effectively can reclaim paper pulp, and without the need to often rinsing retracting device and safeguarding.
For achieving the above object, technical scheme of the present invention is: pulp saver, comprise housing, be provided with screen pack in described housing, described housing bottom is provided with liquid outlet, described screen pack is three layers, the mesh of three layer filtration net reduces from top to bottom successively, and described three layer filtration net is inclined in housing, housing offers one and admittedly expects recovery tube, the described recovery tube of material is admittedly positioned at its lowest position of three layer filtration net at housing, and the described recovery tube of material admittedly offers valve; Described housing bottom is also provided with vertical wireway.
When adopting technique scheme, owing to have employed the filter screen structure of three layers, the solid matter of different size can be filtered respectively, play the effect of Separation of Solid and Liquid.Satisfactory paper pulp is collected from the liquid outlet of housing bottom.And stay the online solid material material of three layer filtration, derived by solid material recovery tube, realize reclaiming and the object be separated.In addition, for the impurity be attached on screen pack, clean without the need to taking out separately screen pack, but by the wireway of bottom, pass into gases at high pressure, the a large amount of bubble agitation liquid utilizing gases at high pressure to produce, by the reverse isolated filter screen of impurity be attached on screen pack, play the effect of effectively cleaning.Structure of the present invention is simple, effectively can reclaim paper pulp, without the need to unpicking and washing screen pack.
Further, described housing bottom is provided with four vertical wireways, and the bottom of described wireway is communicated with gas main.Above-mentioned setting can carry out central gas supply by a gas main to each wireway, can reduce the magnitude setting of source of the gas, reduce costs.
Further, the length of described four wireways reduces successively, and the straight line at the place, gas outlet of described four wireways is parallel with three layer filtration net.Above-mentioned setting, by different wireway to places different on screen pack exhaust, can clear up, so as not to stay cleaning less than dead angle.
Further, described housing is provided with transparent observation window.Observation window is set and can observes directly situation in housing, judge whether to need to clear up screen pack.
Further, described each wireway is respectively arranged with intake valve.Each wireway arranges intake valve separately, the cleaning of local can be carried out by the single wireway of opening and closing.When particularly the residue of screen pack local is difficult to cleaning, all gas can be focused on this place by the wireway only opening correspondence and clear up.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of pulp saver embodiment of the present invention.
Detailed description of the invention
As shown in Figure 1, pulp saver of the present invention, comprises housing 1, and housing 1 is provided with transparent observation window.Observation window is set and can observes directly situation in housing 1, judge whether to need to clear up screen pack 2.Screen pack 2 is provided with in housing 1, liquid outlet 3 is provided with bottom housing 1, screen pack 2 is three layers, the mesh of three layer filtration net 2 reduces from top to bottom successively, three layer filtration net 2 is inclined in housing 1, housing 1 offers one and admittedly expects recovery tube 4, admittedly material recovery tube 4 is positioned at its lowest position of three layer filtration net 2 at housing 1, admittedly material recovery tube 4 offers valve; Vertical wireway 5 is also provided with bottom housing 1.Be provided with four vertical wireways 5 bottom housing 1, the bottom of wireway 5 is communicated with gas main 51.By a gas main 51, central gas supply is carried out to each wireway 5, the magnitude setting of source of the gas can be reduced, reduce costs.The length of four wireways 5 reduces successively, and the straight line at the place, gas outlet of four wireways 5 is parallel with three layer filtration net.By places different on different wireway 5 pairs of screen packs 2 exhaust, clear up, so as not to stay cleaning less than dead angle.Each wireway 5 is respectively arranged with intake valve 52.Each wireway 5 arranges separately intake valve 52, the cleaning of local can be carried out by the single wireway 5 of opening and closing.When particularly the residue of screen pack 2 local is difficult to cleaning, all gas can be focused on this place by the wireway 5 only opening correspondence and clear up.
Present invention employs screen pack 2 structure of three layers, the solid matter of different size can be filtered respectively, play the effect of Separation of Solid and Liquid.Satisfactory paper pulp is collected from the liquid outlet bottom housing 1.And the solid material material stayed on three layer filtration net 2, derived by solid material recovery tube 4, realize reclaiming and the object be separated.In addition, for the impurity be attached on screen pack 2, clean without the need to taking out separately screen pack 2, but pass through the wireway 5 of bottom, pass into gases at high pressure, the a large amount of bubble agitation liquid utilizing gases at high pressure to produce, by the reverse isolated filter screen 2 of impurity be attached on screen pack 2, play the effect of effectively cleaning.Structure of the present invention is simple, effectively can reclaim paper pulp, without the need to unpicking and washing screen pack 2.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; without departing from the inventive concept of the premise; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (5)
1. pulp saver, comprise housing, be provided with screen pack in described housing, described housing bottom is provided with liquid outlet, it is characterized in that, described screen pack is three layers, the mesh of three layer filtration net reduces from top to bottom successively, and described three layer filtration net is inclined in housing, housing offers one and admittedly expects recovery tube, the described recovery tube of material is admittedly positioned at its lowest position of three layer filtration net at housing, and the described recovery tube of material admittedly offers valve; Described housing bottom is also provided with vertical wireway.
2. pulp saver according to claim 1, is characterized in that, described housing bottom is provided with four vertical wireways, and the bottom of described wireway is communicated with gas main.
3. pulp saver according to claim 1, is characterized in that, the length of described four wireways reduces successively, and the straight line at the place, gas outlet of described four wireways is parallel with three layer filtration net.
4. pulp saver according to claim 1, is characterized in that, described housing is provided with transparent observation window.
5. pulp saver according to claim 1, is characterized in that, described each wireway is respectively arranged with intake valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410651258.8A CN104358174A (en) | 2014-11-17 | 2014-11-17 | Paper pulp recycling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410651258.8A CN104358174A (en) | 2014-11-17 | 2014-11-17 | Paper pulp recycling device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104358174A true CN104358174A (en) | 2015-02-18 |
Family
ID=52525473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410651258.8A Pending CN104358174A (en) | 2014-11-17 | 2014-11-17 | Paper pulp recycling device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104358174A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109208371A (en) * | 2018-11-14 | 2019-01-15 | 崔雪柯 | A kind of paper grade pulp solid-liquid separating method |
CN109338784A (en) * | 2018-11-14 | 2019-02-15 | 崔雪柯 | A kind of paper grade pulp equipment for separating liquid from solid |
CN109338783A (en) * | 2018-11-29 | 2019-02-15 | 崔雪柯 | A kind of pulp saver |
CN110644276A (en) * | 2019-10-08 | 2020-01-03 | 中国宣纸股份有限公司 | Platform slurry intercepting device |
CN111974065A (en) * | 2020-09-02 | 2020-11-24 | 中冶美利云产业投资股份有限公司 | Production process and production device of high-grade color paperboard |
CN114855491A (en) * | 2022-05-17 | 2022-08-05 | 江西五星纸业有限公司 | Food card paper papermaking in-process impurity recovery device |
-
2014
- 2014-11-17 CN CN201410651258.8A patent/CN104358174A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109208371A (en) * | 2018-11-14 | 2019-01-15 | 崔雪柯 | A kind of paper grade pulp solid-liquid separating method |
CN109338784A (en) * | 2018-11-14 | 2019-02-15 | 崔雪柯 | A kind of paper grade pulp equipment for separating liquid from solid |
CN109338783A (en) * | 2018-11-29 | 2019-02-15 | 崔雪柯 | A kind of pulp saver |
CN110644276A (en) * | 2019-10-08 | 2020-01-03 | 中国宣纸股份有限公司 | Platform slurry intercepting device |
CN111974065A (en) * | 2020-09-02 | 2020-11-24 | 中冶美利云产业投资股份有限公司 | Production process and production device of high-grade color paperboard |
CN111974065B (en) * | 2020-09-02 | 2023-10-03 | 宁夏星河新材料科技有限公司 | High-grade color paperboard production process and production device |
CN114855491A (en) * | 2022-05-17 | 2022-08-05 | 江西五星纸业有限公司 | Food card paper papermaking in-process impurity recovery device |
CN114855491B (en) * | 2022-05-17 | 2023-12-05 | 五洲特种纸业(江西)有限公司 | Impurity recovery device in food cardboard papermaking process |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150218 |
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WD01 | Invention patent application deemed withdrawn after publication |