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An apparatus for discharging pulp from a vessel, method of discharging pulp form a vessel and method of upgrading a pulp vessel

A technology of pulp and container, applied in the direction of papermaking, digester, textile and papermaking, etc.

Active Publication Date: 2010-08-18
SULZER MANAGEMENT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these are separate discharge lines, so this arrangement has only limited ability to adjust the discharge consistency of the pulp exiting the tower

Method used

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  • An apparatus for discharging pulp from a vessel, method of discharging pulp form a vessel and method of upgrading a pulp vessel
  • An apparatus for discharging pulp from a vessel, method of discharging pulp form a vessel and method of upgrading a pulp vessel
  • An apparatus for discharging pulp from a vessel, method of discharging pulp form a vessel and method of upgrading a pulp vessel

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Embodiment Construction

[0030] Figure 1 shows a modern discharge arrangement for a high consistency mass column according to the prior art. The high consistency mass tower 10 in the embodiment according to the figure comprises two parts: a second section, here the upper section 12 , and a first section, the bottom section 14 . Pulp at a first consistency is introduced into the upper section of the vessel, ie the second section (introduction not shown in the figure). The pulp may undergo additional treatment in the vessel, but may also be merely stored therein.

[0031] In the lower section there is provided a feed pipe 22 for introducing dilution liquid into the pulp. The tower also includes a stirrer 24 arranged in the bottom section for mixing the supplied dilution liquid with the pulp and keeping the pulp in a substantially homogeneous state. The lower section may also be referred to as a mixing zone. Thus, the consistency of the pulp in the bottom section 14 is generally maintained at a level ...

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Abstract

Invention relates to an apparatus for discharging pulp from a vessel (10) comprising a first section (14) for pulp at a second consistency and a second section (12) for pulp at a first consistency, in which vessel the pulp is arranged to flow from the second section (12) to the first section (14), the first section is provided with means for diluting (22, 24) the consistency of the pulp in the first section tohave a second consistency lower than the first consistency, the apparatus further comprising means for discharging pulp having a first discharge conduit (26) arranged to discharge pulp from the first section (14) of the vessel and being provided with a first outlet (32), and a second discharge conduit (34) arranged to discharge pulp from the second section (12) of the vessel (10) and being provided with a second outlet (40). The first outlet (32) is in flow connection with the second discharge conduit (34) up-stream the second outlet (40), so that pulp flowing at the second outlet has a third consistency between the first and the second consistency. The invention also relates to method of discharging pulp from a vessel and to method of upgrading an existing pulp vessel.

Description

technical field [0001] The invention relates to a device for discharging pulp from a container according to the preamble of claim 1, comprising a second section for pulp at a first consistency and the pulp is arranged to flow from the second section a first section of a first section provided with means for diluting the consistency of the pulp in the first section to have a second consistency lower than the first consistency, the apparatus further comprising means for discharging the pulp, the The mechanism has a first discharge conduit arranged to discharge pulp from a first section of the vessel and provided with a first outlet, and a second discharge conduit arranged to discharge pulp from a second section of the vessel and to There is a second exit. [0002] The invention also relates to a method of discharging pulp from a vessel according to the preamble of claim 12 and a method of retrofitting an existing pulp vessel according to the preamble of claim 19 . Background ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21C7/08
CPCD21C7/08
Inventor R·维萨拉
Owner SULZER MANAGEMENT AG
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