CN211620999U - Rotary drum slurrying device - Google Patents
Rotary drum slurrying device Download PDFInfo
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- CN211620999U CN211620999U CN201922352289.4U CN201922352289U CN211620999U CN 211620999 U CN211620999 U CN 211620999U CN 201922352289 U CN201922352289 U CN 201922352289U CN 211620999 U CN211620999 U CN 211620999U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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Abstract
The utility model provides a rotary drum pulping device which can ensure the physical strength of body paper and can reduce the processing load of subsequent working sections, comprising a chain plate unit for conveying and dispersing domestic OCC waste paper and a rotary drum pulper for manufacturing the dispersed domestic OCC waste paper into pulp, wherein the rotary drum pulper comprises a rotary drum and a pulp tank arranged at the rear lower part of the rotary drum, the front part and the rear part of the rotary drum are respectively a disintegration area and a screening area, the disintegration area is provided with disintegration knives arranged along the spiral interval of the inner side wall of the rotary drum, the disintegration knives can rotate along with the rotary drum to disintegrate waste paper raw materials into pulp and push the disintegrated pulp to the screening area, the rotary drum is internally provided with a white water adding device, the screening area is provided with sieve pores which are arranged along the circumferential direction of the rotary drum and are used for discharging the pulp into the pulp tank, the screening area is also provided with spiral baffles which are arranged along the spiral interval of the inner side wall of the rotary drum for discharging tailings to the rear end, the rear end of the rotary drum is provided, and a stirring assembly used for stirring the slurry is arranged in the slurry tank.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a rotary drum slurrying device.
[ background of the invention ]
70g/m for reasons limited to the quality of the waste paper raw material, the production equipment and the process2The following quantitative corrugated medium paper is still relatively rarely produced. According to market supply and demand information, the market of the current packaging paper and paperboard is basically not provided with 50g/m2The following amounts of corrugated medium paper. At present, the low gram weight products on the market mainly increase the strength of paper sheets by domestic waste paper OCC and matching with some imported waste paper American waste AOCC and European waste EOCC. And domestic waste paper is mainly grass fiber, contains more impurities, has low fiber length and low strength, so how to ensure the strength of the fiber hinders the low quantification process of the high-strength corrugated base paper. In the conventional production technology, a hydraulic pulper is generally adopted to pulp the waste paper, and in the pulping mode, the secondary fibers are cut by a blade of a paper shredder, so that the fibers are shortened, and the physical indexes of the finished paper are reduced. The plastic impurities and the like are cut to be smaller, so that the plastic impurities and the like enter the next procedure along with the slurry, and the processing load of the next procedure is increased.
[ Utility model ] content
The to-be-solved technical problem of the utility model is to provide a rotary drum slurrying device that can guarantee the physical strength of body paper and the processing load of reducible follow-up workshop section.
The purpose of the utility model is realized like this:
a rotary drum pulping device comprises a chain plate unit for conveying and dispersing domestic OCC waste paper and a rotary drum pulper for manufacturing the dispersed domestic OCC waste paper into pulp, wherein the rotary drum pulper comprises a rotary drum and a pulp tank arranged at the rear lower part of the rotary drum, a white water adding port is arranged at the front end of the rotary drum, a disintegrating area and a screening area are respectively arranged at the front part and the rear part of the rotary drum, disintegrating knives spirally arranged at intervals along the inner side wall of the rotary drum are arranged in the disintegrating area, the disintegrating knives can rotate along with the rotary drum to disintegrate waste paper raw materials into pulp and push the disintegrated pulp to the screening area, a white water adding device for adding white water to the screening area is arranged in the rotary drum, screening areas are provided with screen holes which are arranged along the circumferential direction of the rotary drum and are used for discharging the pulp to the pulp tank, spiral baffles which are spirally arranged at intervals along the inner side wall of the rotary drum are further arranged in the screening area and are used for discharging tailings to the rear end, the rear end of rotary drum is equipped with the baling press that is used for collecting the tailings, be equipped with the stirring subassembly that is used for stirring thick liquids in the dressing trough.
The rotary drum pulping device comprises a chain plate machine, a second chain plate machine and a third chain plate machine, wherein the first chain plate machine and the third chain plate machine are both low in front end and high in rear end, the second chain plate machine is horizontally arranged, and the height of the second chain plate machine is higher than that of the front end of the third chain plate machine and lower than that of the rear end of the first chain plate machine.
According to the drum pulping device, the running speed of the second chain plate machine is higher than that of the first chain plate machine and lower than that of the third chain plate machine.
The rotary drum pulping device further comprises a discharging assembly, wherein the discharging assembly comprises a first high-concentration slag remover, a second high-concentration slag remover, a slurry pool, a slag settling tank and a slag salvaging machine, the input end of the first high-concentration slag remover is communicated with the bottom of the slurry pool and used for removing heavy impurities from slurry discharged from the slurry pool, the slurry pool is communicated with the good slurry output end of the first high-concentration slag remover and used for storing good slurry, the input end of the slag settling tank is communicated with the tailings output end of the first high-concentration slag remover and used for settling heavy slag, the slag salvaging machine is communicated with the heavy slag output end of the slag settling tank and used for salvaging the heavy slag, the input end of the second high-concentration slag remover is communicated with the slurry output end of the slag settling tank and used for removing the heavy impurities from the slurry again, and the secondary good slurry output end of the second high-concentration slag remover is communicated with the slurry pool and used for removing the heavy impurities from the secondary good slurry again And the heavy slag flows back into the slurry tank again, and the heavy slag output end of the second high-concentration slag remover is communicated with the slag dragging machine so that the slag dragging machine can drag the heavy slag generated by the second high-concentration slag remover away.
In the drum pulping device, the height difference between the front end of the second chain trigger and the front end of the third chain trigger ranges from 1 meter to 1.5 meters, and the height difference between the rear end of the first chain trigger and the second chain trigger ranges from 1 meter to 1.5 meters.
In the drum pulping device, the third chain plate machine is provided with a nucleon scale for weighing the weight of the waste paper to control the addition amount of the white water.
According to the drum pulping device, the belt conveyor for conveying tailings to the packaging machine is arranged at the rear end of the drum.
The pulping method of the rotary drum pulping device comprises the following steps:
a: waste paper is dispersed, domestic OCC waste paper is conveyed to a first chain plate machine, the first chain plate machine conveys the waste paper to a high position from the rear end, then the waste paper falls onto a second chain plate machine to disperse the waste paper, then the second chain plate machine conveys the dispersed waste paper to the rear end and falls onto a third chain plate machine, and the third chain plate machine, the second chain plate machine and the first chain plate machine are controlled by a differential speed so that the third chain plate machine can convey the dispersed and uniform waste paper raw material to the high position from the rear end and put the waste paper raw material into a drum pulper;
b: the crushing is carried out, white water is added into the crushing area through a white water adding port, the rotary drum rotates to drive the crushing cutter to rotate, the waste paper is repeatedly raised in the rotary drum and falls onto the crushing cutter, so that the waste paper raw material is crushed into pulp, the pulp crushed into pulp is pushed to the screening area under the stirring action of the crushing cutter, and the adding amount of the white water can be adjusted according to the weight of the waste paper weighed by the nucleon on the third chain plate machine;
c: screening, the white water adding device adds white water to the screening area, the rotary drum rotates to enable slurry to be discharged into the slurry tank from the screen holes, the spiral baffle is driven to rotate to discharge tailings to the belt conveyor, and the adding amount of the white water can be adjusted according to the weight of the waste paper weighed by the nucleon on the third chain plate machine;
d: packing tailings, namely collecting and packing the tailings conveyed by the belt conveyor by using a packing machine;
e: stirring, the stirring subassembly stirs the thick liquids in the thick liquids groove.
The pulping method of the rotary drum pulping device further comprises the following steps:
f: removing slag in a first section, removing heavy impurities from the slurry discharged from the slurry tank by using a first high-concentration slag remover, discharging tailings to a slag settling tank, and conveying good slurry to a slurry pool for storage;
g: the slag settling tank is used for treating the tailings discharged by the first high-concentration slag remover so as to further separate heavy slag from good pulp, discharging the obtained heavy slag to a slag dragging machine, and conveying the good pulp into a second high-concentration slag remover;
h: removing slag at the second stage, wherein heavy impurities of the settled fine pulp are removed again by a second high-concentration slag remover, the heavy slag is discharged to a slag dragging machine, and meanwhile, the secondary fine pulp subjected to the heavy impurities removal again flows back to the pulp tank again;
i: and (5) fishing out the heavy slag discharged by the slag settling tank and the second high-concentration slag remover and transporting the heavy slag away by the slag fishing machine.
Compared with the prior art, the utility model, have following technical characterstic:
1. the utility model discloses a 100% internal OCC waste paper replaces American AOCC and European EOCC waste paper to make pulp as the raw materials as raw materials, stops import foreign garbage basically.
2. The utility model discloses a drum pulper disperses domestic waste paper OCC, the drum pulper mainly relies on the gravity of waste paper self with its dispersion, distinguish waste paper fibre dispersion at the disintegration, fibre and plastic sheet do not receive the cutting action, fiber length is longer, guarantee the physical strength of body paper, the disintegration of cutting off and impurity of hydraulic pulper to waste paper has been solved, make the fibre keep original intensity, then just most removal in the initial stage with great impurity such as plastics in the screening district, the thick liquids passes through the sieve mesh and gets into the dressing trough, keep fibrous length as far as possible, concentration control is about 4.0-5.0%, guarantee fibrous intensity and no longer degrade, because the plastic film is also not cut off and diminish, the processing load of follow-up workshop section has been reduced.
3. And (3) removing heavy impurities such as thicker iron nails, sand, gravel and the like from the slurry subjected to fragmentation and preliminary screening through two sections of combined high-concentration slag separators, collecting the heavy impurities in a sediment tank, intermittently removing heavy slag through a slag dragging machine at the bottom of the sediment tank through two pneumatic gate valves, and circularly treating the slurry on the sediment tank through the high-concentration slag separators. The high-concentration slag remover, the slag settling tank and the slag conveyor are combined to remove heavy impurities, the removal efficiency is high, and the fiber loss is less.
4. The whole bundle of used paper OCC is uniformly dispersed and fed to the drum pulper by the height difference and the speed difference between the first chain plate machine, the second chain plate machine and the third chain plate machine.
[ description of the drawings ]
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a drum pulper according to the present invention;
fig. 2 is a schematic structural diagram of the link plate unit of the present invention;
fig. 3 is a schematic structural view of the discharging assembly of the present invention.
[ detailed description ] embodiments
A rotary drum pulping device comprises a chain plate unit 1 for conveying and dispersing domestic OCC waste paper and a rotary drum pulper 2 for manufacturing the dispersed domestic OCC waste paper into pulp, wherein the rotary drum pulper 2 comprises a rotary drum 21 and a pulp tank 22 arranged at the rear lower part of the rotary drum 21, a white water adding port 23 is arranged at the front end of the rotary drum 21, a disintegrating area 24 and a screening area 25 are respectively arranged at the front part and the rear part of the rotary drum 21, and the disintegrating area 24 is provided with an inner part along the rotary drum 21Disintegrating knives (not shown in the figure) arranged at intervals on the side wall in a spiral way, the disintegrating knives can rotate along with the rotary drum 21 to disintegrate the waste paper raw materials into pulp and push the disintegrated pulp to the screening area 25, a white water adding device 26 for adding white water to the screening area 25 is arranged in the rotary drum 21, the screening area 25 is provided with screen holes 251 arranged along the circumferential direction of the rotary drum 21 and used for discharging the pulp to the pulp tank 22
Screening district 25 still is equipped with the heliciform baffle that sets up along the inside wall spiral interval of rotary drum 21 in order to be used for discharging the tailings to the rear end, and the rear end of rotary drum 21 is equipped with the baling press 3 that is used for collecting the tailings, is equipped with the stirring subassembly 4 that is used for stirring the thick liquids in the dressing trough 22.
The chain plate machine set 1 comprises a first chain plate machine 11, a second chain plate machine 12 and a third chain plate machine 13, wherein the first chain plate machine 11 and the third chain plate machine 13 are both low in front end and high in rear end, the second chain plate machine 12 is horizontally arranged, and the height of the second chain plate machine 12 is higher than the height of the front end of the third chain plate machine 13 and lower than the height of the rear end of the first chain plate machine 11.
The second chain trigger 12 operates at a speed greater than that of the first chain trigger 11 and less than that of the third chain trigger 13.
The rotary drum pulping device further comprises a discharging assembly 5, wherein the discharging assembly 5 comprises a first high-concentration slag remover 51, a second high-concentration slag remover 52, a slurry tank 53, a sediment tank 54 and a slag salvaging machine 55, the input end of the first high-concentration slag remover 51 is communicated with the bottom of the slurry tank 22 and is used for removing heavy impurities from the slurry discharged from the slurry tank 22, the slurry tank 53 is communicated with the good slurry output end of the first high-concentration slag remover 51 and is used for storing good slurry, the input end of the sediment tank 54 is communicated with the tailings output end of the first high-concentration slag remover 51 and is used for precipitating heavy slag, the slag salvaging machine 55 is communicated with the heavy slag output end of the sediment tank 54 and is used for salvaging the heavy slag, the input end of the second high-concentration slag remover 52 is communicated with the slurry output end of the sediment tank 54 and is used for removing the heavy impurities again from the slurry, the secondary good slurry output end of the second high-concentration slag remover 52 is communicated with the slurry tank 22 so that the secondary good slurry removed the heavy impurities again flows back into the slurry tank 22, the heavy slag output end of the second high-concentration slag remover 52 is communicated with the slag conveyor 55 so that the slag conveyor 55 can drag the heavy slag generated by the second high-concentration slag remover 52 away.
The height difference between the front ends of the second plate chain machine 12 and the third plate chain machine 13 is in the range of 1-1.5 m, and the height difference between the rear end of the first plate chain machine 11 and the second plate chain machine 12 is in the range of 1-1.5 m.
The third chain plate machine 13 is provided with a nucleon scale 131 for weighing the waste paper to control the amount of white water added. The addition amount of the waste paper is controlled by the nucleon scale 131, and the white water addition amount of the white water adding device 26 is controlled, so that the disintegration concentration of the waste paper is controlled to be between 15 and 20 percent, and the screening concentration is controlled to be between 4.0 and 5.0 percent.
The rear end of the drum 21 is provided with a belt conveyor 31 for conveying tailings to the baler 3.
The pulping method of the rotary drum pulping device comprises the following steps:
a: waste paper is dispersed, domestic OCC waste paper is conveyed to a first chain plate machine 11, the first chain plate machine 11 conveys the waste paper to a high position towards the rear end, then the waste paper falls down to a second chain plate machine 12 to disperse the waste paper, then the second chain plate machine 12 conveys the dispersed waste paper to the rear end and falls down to a third chain plate machine 13, and the third chain plate machine 13, the second chain plate machine 12 and the first chain plate machine 11 are controlled by differential speed so that the third chain plate machine 13 can convey the dispersed and uniform waste paper raw materials to the high position at the rear end and put the waste paper raw materials into a drum pulper 2;
b: disintegrating, adding white water into the disintegrating area 24 through a white water adding port 23, rotating the rotary drum 21 to drive the disintegrating knives to rotate and repeatedly raise and drop the waste paper in the rotary drum 21 onto the disintegrating knives, thereby disintegrating the waste paper raw materials into pulp, simultaneously propelling the pulp disintegrated into pulp to the screening area 25 under the stirring action of the disintegrating knives, and adjusting the adding amount of the white water according to the weight of the waste paper weighed by the nucleon scale 131 on the third chain plate machine 13;
c: screening, white water is added into the screening area 25 by the white water adding device 26, the rotary drum 21 rotates to enable slurry to be discharged into the slurry tank 22 from the screen holes 251, the spiral baffle is driven to rotate to discharge tailings to the belt conveyor 31, and the adding amount of the white water can be adjusted according to the weight of the waste paper weighed by the nucleon on the third chain plate machine 13;
d: packing the tailings, wherein a packing machine 3 collects and packs the tailings conveyed by the belt conveyor 31;
e: the stirring unit 4 stirs the slurry in the slurry tank 22.
The pulping method of the rotary drum pulping device further comprises the following steps:
f: removing slag for the first time, wherein a first high-concentration slag remover 51 removes heavy impurities from the slurry discharged from the slurry tank 22, discharges tailings to a slag settling tank 54, and simultaneously conveys good slurry to a slurry tank 53 for storage;
g: a sediment tank 54 for treating the tailings discharged from the first high-concentration slag separator 51 to further separate heavy sediment from the good pulp, and discharging the obtained heavy sediment to a slag conveyor 55 while conveying the good pulp into the second high-concentration slag separator 52;
h: secondary deslagging, namely, removing heavy impurities again from the settled good pulp by using a second high-concentration deslagging device 52, discharging the heavy slag to a slag dragging machine 55, and simultaneously returning the secondary good pulp subjected to heavy impurity removal again to the pulp tank 22;
i: and a slag salvaging machine 55 salvages and carries away the heavy slag discharged by the slag settling tank 54 and the second high-concentration slag remover 52.
Claims (7)
1. A rotary drum pulping device is characterized by comprising a chain plate unit (1) for conveying and dispersing domestic OCC waste paper and a rotary drum pulper (2) for manufacturing the dispersed domestic OCC waste paper into pulp, wherein the rotary drum pulper (2) comprises a rotary drum (21) and a pulp tank (22) arranged below the rear part of the rotary drum (21), a white water adding opening (23) is formed in the front end of the rotary drum (21), a disintegrating area (24) and a screening area (25) are respectively arranged at the front part and the rear part of the rotary drum (21), disintegrating knives spirally arranged at intervals along the inner side wall of the rotary drum (21) are arranged in the disintegrating area (24) and can rotate along with the rotary drum (21) to disintegrate waste paper raw materials into pulp and push the disintegrated pulp to the screening area (25), a white water adding device (26) for adding white water to the screening area (25) is arranged in the rotary drum (21), the screening area (25) is provided with sieve pores (251) which are arranged along the circumferential direction of the rotary drum (21) and used for discharging slurry into the slurry tank (22), the screening area (25) is further provided with spiral baffles which are arranged along the spiral interval of the inner side wall of the rotary drum (21) and used for discharging tailings to the rear end, the rear end of the rotary drum (21) is provided with a packing machine (3) used for collecting the tailings, and a stirring assembly (4) used for stirring the slurry is arranged in the slurry tank (22).
2. A drum pulping apparatus according to claim 1, characterized in that the chain plate unit (1) comprises a first chain plate machine (11), a second chain plate machine (12) and a third chain plate machine (13), the first chain plate machine (11) and the third chain plate machine (13) are both low in front end and high in rear end, the second chain plate machine (12) is horizontally arranged, and the height of the second chain plate machine (12) is higher than the height of the front end of the third chain plate machine (13) and lower than the height of the rear end of the first chain plate machine (11).
3. A rotary drum pulping apparatus according to claim 2, characterized in that the running speed of the second chain plate machine (12) is greater than the running speed of the first chain plate machine (11) and less than the running speed of the third chain plate machine (13).
4. A rotary drum pulping device according to any one of claims 1 to 3, characterized by further comprising a discharging assembly (5), the discharging assembly (5) comprising a first high-concentration slag separator (51), a second high-concentration slag separator (52), a slurry tank (53), a slag settling tank (54) and a slag scooping machine (55), an input end of the first high-concentration slag separator (51) is communicated with the bottom of the slurry tank (22) for removing heavy impurities from the slurry discharged from the slurry tank (22), the slurry tank (53) is communicated with a good slurry output end of the first high-concentration slag separator (51) for storing good slurry, an input end of the slag settling tank (54) is communicated with a tailings output end of the first high-concentration slag separator (51) for settling heavy slag, the slag scooping machine (55) is communicated with a heavy slag output end of the slag settling tank (54) for scooping out heavy slag, the input end of the second high-concentration slag separator (52) is communicated with the slurry output end of the slag settling tank (54) so as to remove heavy impurities from the slurry again, the secondary good slurry output end of the second high-concentration slag separator (52) is communicated with the slurry tank (22) so that the secondary good slurry removed again after the heavy impurities flow back into the slurry tank (22) again, and the heavy slag output end of the second high-concentration slag separator (52) is communicated with the slag conveyor (55) so that the slag conveyor (55) can carry out the dragging of the heavy slag generated by the second high-concentration slag separator (52).
5. A rotary drum pulping apparatus according to claim 2 or 3, characterized in that the difference in height between the second chain trigger (12) and the front end of the third chain trigger (13) is in the range of 1 to 1.5 m, and the difference in height between the rear end of the first chain trigger (11) and the second chain trigger (12) is in the range of 1 to 1.5 m.
6. A drum pulping apparatus according to claim 5, characterized in that the third board conveyor (13) is provided with a nucleonic scale (131) for weighing the used paper to control the amount of white water added.
7. A drum pulping apparatus according to claim 1, characterized in that the rear end of the drum (21) is provided with a belt conveyor (31) for conveying tailings to the baler (3).
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| CN201922352289.4U CN211620999U (en) | 2019-12-23 | 2019-12-23 | Rotary drum slurrying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922352289.4U CN211620999U (en) | 2019-12-23 | 2019-12-23 | Rotary drum slurrying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005248A (en) * | 2019-12-23 | 2020-04-14 | 中山联合鸿兴造纸有限公司 | Rotary drum pulping device and pulping method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005248A (en) * | 2019-12-23 | 2020-04-14 | 中山联合鸿兴造纸有限公司 | Rotary drum pulping device and pulping method thereof |
| CN111005248B (en) * | 2019-12-23 | 2024-05-28 | 中山联合鸿兴造纸有限公司 | Drum pulping device and pulping method thereof |
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