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Sealing strip, filtering frame, filtering frame assembly and filtering equipment

A technology of sealing strips and components, which is applied in the field of filter presses and can solve problems such as increasing the cycle time of the filtration cycle

Pending Publication Date: 2021-10-22
METSO OUTOTEC METALS OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even increasing the height of the seal strip within the groove increases the distance that adjacent filter frame assemblies must travel in order to open and close the filter chamber and obtain sufficient sealing pressure at the seal strip, thereby increasing the distance per filter cycle cycle time

Method used

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  • Sealing strip, filtering frame, filtering frame assembly and filtering equipment
  • Sealing strip, filtering frame, filtering frame assembly and filtering equipment
  • Sealing strip, filtering frame, filtering frame assembly and filtering equipment

Examples

Experimental program
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Embodiment Construction

[0071] According to a first aspect of the present disclosure there is provided a sealing strip for sealing adjacent filter plate assemblies of a filter press, eg a horizontal filter press, eg a tower press.

[0072] Such horizontal filter presses are generally used for filtering slurries fed into the filter chamber with a filter pressure differential of 8-20 bar, typically about 12 bar, relative to ambient pressure. In order to achieve an adequate seal at the interface between adjacent filter frame assemblies, the sealing strip must withstand a linear load of 30-300N / mm, typically between 100-150N / mm.

[0073] The weather strip 1 comprises an elongated body 2 extending in a lengthwise direction and having a first longitudinal end 1a and a second longitudinal end 1b.

[0074] The cross-sectional profile of the elongated body 2 includes a base portion 3 which is attached in a corresponding groove 9 of an associated filter frame or filter panel assembly. The cross-sectional prof...

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PUM

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Abstract

The disclosure relates to a sealing strip (1) for sealing adjacent filter plate assemblies of a horizontal filter press. The disclosure is based on the idea of providing the sealing strip (1) with a stiffener (6) at a base portion (3) of the sealing strip (1), positioned such that it intersects with a line running through a ridge (4a) provided on a distal portion (4) of the sealing strip (1) and extending along a vertical direction, perpendicular to both the length direction and the width direction of the sealing strip, as seen along the cross-sectional profile of the sealing strip (1). The disclosure further relates to a filter frame, a filter frame assembly and a filter apparatus having such a sealing strip.

Description

technical field [0001] The present disclosure relates to filter presses, such as horizontal filter presses (horizontal filter presses), for example tower presses (tower presses), and more particularly to sealing strips for use in such filter presses , for sealing the interface between adjacent filter frame components, forming a filter chamber between adjacent filter frame components. [0002] The present disclosure also relates to filter frames, filter frame assemblies and horizontal filter press equipment, such as tower presses. Background technique [0003] Traditionally, a sealing strip is used to seal the interface between two adjacent filter frame assemblies, forming a filter chamber between the two adjacent filter frame assemblies. Such a filter frame assembly may be formed from a frame and plate assembly, or from a recessed plate comprising a frame portion and a plate portion. In addition to being able to withstand the compressive pressure of adjacent filter frame a...

Claims

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Application Information

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IPC IPC(8): B01D25/21
CPCB01D25/215B01D2201/34B01D25/164F16J15/104F16J15/122B01D2201/342B01D25/1645
Inventor M·穆斯塔坎加斯I·朱沃宁J·凯帕伊宁T·埃洛兰塔M·伊利K·文蒂宁
Owner METSO OUTOTEC METALS OY
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