High speed pulp washer is a washing equipment used in paper making industry in China, on the basis of advanced foreign technology, successfully developed a new type of Deinked pulp washing equipment.
Complete machine adopts full closed-end structure, stainless steel shell shape can replace the condenser and the inclined screw thickeners, simplifies the process and reduces costs.
Application:
Uses in waste paper treating system for washing de-inked pulp
The high-speed washing machine sends the pulp into the gap between the polyester mesh and the breast roller through the headbox. The breast roller drives the filter mesh and the flat roller to run at high speed. The pulp is squeezed by the filter mesh and the breast roller at the breast roller. Together with the centrifugal force generated by the high-speed rotation, the pulp can be dehydrated and concentrated. When the pulp reaches the roll with the filter, it is sprayed with washing water, and is replaced by the squeeze and centrifugal force of the filter and the roll again. After washing, the slurry is scraped into the discharge spiral from the roll by a doctor blade. The high-concentration waste water extruded by the pulp at the breast roller and the low-concentration waste water extruded by the squeeze roller are discharged out of the equipment separately to facilitate subsequent waste water treatment. In the above process, because the pulp layer between the filter screen and the roller is very thin, the ink particles, fillers and other fine impurities in the pulp are very little hindered from the pulp layer during the extraction process, so it is easy to accompany the water.
The high speed washing machine is composed of breast roller, couch roller, filter screen, pulp feeding system, pulp discharging system, drainage system, washing system, washing net device, transmission system and frame, hood, etc.
The breast roller is a rubber grooved roller, which can effectively prevent the slurry splash caused by the high-speed operation of the anilox roller.
The couch roller is a rubber couch roll to compensate the uneven squeezing of the slurry produced by the grooved roller. The slurry is stripped to the discharge spiral by a scraper on the couch roll .
The spiral polyester mesh is equipped with guide strips on both sides. , To prevent the net from running off, the function of the hood is to collect the leached water, separate the high-concentration wastewater from the low-concentration wastewater, and prevent the splashing of water from affecting the working environment.
The advanced equipment manufacturing, high degree of automation.
Single machine can realize the size change from low concentration to high concentration, concentration, ash removal efficiency high, washing efficiency; to efficiently remove ink, fillers and other tiny impurities, improving the whiteness of the pulp.
Due to the simple structure, small size, high efficiency, Deinked pulp processing system has been widely used in.
It is able to wash and thicken waste paper pulp efficiently through the centrifugal force generated by the high speed rotation of rubber covered roller, as well as the extrusion force between the roller and the net.
| Type |
ZNG10 |
ZNG15 |
ZNG20 |
ZNG25 |
| Working width:mm |
1000 |
1500 |
2000 |
2500 |
| Consistency of inflow pulp:% |
0.8-1.5 |
| Consistency of inflow pulp:% |
8-15 |
| Capacity of production |
MOW:t/d |
40-70 |
55-100 |
70-130 |
100-150 |
| ONP:t/d |
30-50 |
40-70 |
50-90 |
60-110 |
| Ash removal:% |
≥90 |
| Power of main motor :kw |
30 |
37 |
55 |
75 |
| Motor for screw conveyor :kw |
5.5 |
5.5 |
7.5 |
7.5 |
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