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Drum pulper and its method of adding water

A drum pulper and drum technology, applied in papermaking, textile and papermaking, paper recycling, etc., can solve problems such as energy consumption, high cost, and complex structure

Active Publication Date: 2021-09-14
ANDRITZ CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The arrangement of the seal between the rotating drum pulper and the fixed feed hopper is first of all structurally complex, and there is no device in the prior art that can achieve a highly reliable seal at low cost
A seal between a rotating and stationary part creates a restraint to the rotation of the rotating part, dissipating energy
[0007] Secondly, the cost of sealing between the rotating drum pulper and the fixed feed hopper is high, so it is desirable to find a technical solution that makes the gap between the feed hopper and the feed end of the drum pulper There is no longer a need for a seal, or at least a tight seal

Method used

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  • Drum pulper and its method of adding water
  • Drum pulper and its method of adding water
  • Drum pulper and its method of adding water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] figure 1 with figure 2 Respectively, in the form of a perspective view and a side view illustrating a drum pulper according to the first embodiment of the present invention and its corresponding assigned feed hopper, adding water into the interior of the drum over the feed hopper. image 3 Performance of the fill line in the form of a perspective view of the case through the hopper end surface of the flange. exist image 3 Can be clearly seen in particular adding water into the drum in a position inside of the drum cross-section.

[0033] In this embodiment, as Image 6 , Since the drum pulper in the material in the drum is constantly lifting from the lowest point to Image 6 Approximately the 11 o'clock position is then thrown off into the 4-5 o'clock position, thus Image 6 1-3 o'clock position and no material, it is generally to dot chain line in FIG kidney-shaped area surrounded by, adding water into the interior of the drum is from this position. Image 6 Otherwise arrows s...

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PUM

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Abstract

The invention relates to a drum pulper, which comprises: a drum; and a feed hopper, which is used to feed materials into the feed end of the drum; it is characterized in that the The drum pulper also includes a water addition pipe designed to feed water directly into the interior of the drum from the feed end of the drum. The present invention also relates to a method for adding water to a drum pulper, which adopts the above-mentioned drum pulper, wherein water is directly added to the inside of the drum pulper through a water supply pipe without flowing through the inlet hopper.

Description

Technical field [0001] The present invention relates to a drum pulper, particularly to add water to the drum pulper means, the means for adding water into the water to provide a crushing drum pulper. Background technique [0002] Drum pulper pulping equipment is widely used in the pulping area. Disintegrated pulp requires a certain amount of water disintegrated, disintegrated water needs to be mixed with the slurry. Broken drum pulper solutions in water are typically added to the feed hopper of the drum pulper, and then flows into the drum pulper. Figure 8 In the form of a perspective view shows a partial feed end of the drum and the drum pulper. For clarity, in Figure 8A To a partially enlarged view for adding water plus water from the top of the hopper, wherein the material together and disintegrated water is added from a hopper opening. Figure 9 Shows in perspective a prior art fill line in another arrangement, wherein the fill line is inserted from the side of the hopper to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21B1/32D21B1/34
CPCD21B1/32D21B1/345Y02W30/64
Inventor 侯焕涛李天虎金莫·万哈拉
Owner ANDRITZ CHINA