Temperature Transfer Filter Plate Assembly with Wavy Walls

Solution Overview

Problem

Filter presses with membrane-type filter plates are limited in their ability to effectively heat and dry filter cakes due to the increased size and cost associated with incorporating metal heating plates, which compromises the efficiency of liquid and vapor removal.

Innovation Solution

A temperature transfer filter plate assembly with wavy or undulating inner and outer walls, featuring apertures that allow heating or cooling fluids to pass through, enhancing heat transfer and liquid removal by providing additional pathways for liquid and vapor to exit the filter cake.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If metal heating plates are interposed between membrane-type filter plates, then heating capability and liquid vaporization efficiency are improved, but the overall size and cost of the filter press increase significantly

Engineering Contradiction:
Core Design Contradiction:
TemperatureVSVolume of stationary object

Solution Approach 1:

The patent combines the heating function and filtration function into a single integrated plate structure. The temperature transfer filter plate incorporates internal heating channels within the plate itself, eliminating the need for separate metal heating plates interposed between filtration plates. This merging of functions maintains heating capability while reducing overall equipment size and plate count.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The filter plate is designed to perform multiple functions simultaneously: filtration, heating, and liquid collection. The temperature transfer filter plate includes filtration surfaces for solid-liquid separation, internal channels for heating fluid circulation, and collection chambers for captured liquid. This multi-functionality eliminates the need for separate dedicated heating plates and reduces the overall number of components required.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Temperature

If metal heating plates are interposed between membrane-type filter plates, then heating capability and liquid vaporization efficiency are improved, but the cost of the filter press increases significantly

Engineering Contradiction:
Core Design Contradiction:
TemperatureVSEase of manufacture

Solution Approach 1:

The patent combines the heating function and filtration function into a single integrated plate structure. The temperature transfer filter plate incorporates internal heating channels within the plate itself, eliminating the need for separate metal heating plates interposed between filtration plates. This merging of functions maintains heating capability while reducing overall equipment size and plate count.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The filter plate is designed to perform multiple functions simultaneously: filtration, heating, and liquid collection. The temperature transfer filter plate includes filtration surfaces for solid-liquid separation, internal channels for heating fluid circulation, and collection chambers for captured liquid. This multi-functionality eliminates the need for separate dedicated heating plates and reduces the overall number of components required.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Use of energy by moving object

If heating plates are added to enhance heat transfer, then heat transfer efficiency is improved, but the device complexity increases

Engineering Contradiction:
Core Design Contradiction:
Use of energy by moving objectVSDevice complexity

Solution Approach 1:

The patent combines the heating function and filtration function into a single integrated plate structure. The temperature transfer filter plate incorporates internal heating channels within the plate itself, eliminating the need for separate metal heating plates interposed between filtration plates. This merging of functions maintains heating capability while reducing overall equipment size and plate count.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The filter plate is designed to perform multiple functions simultaneously: filtration, heating, and liquid collection. The temperature transfer filter plate includes filtration surfaces for solid-liquid separation, internal channels for heating fluid circulation, and collection chambers for captured liquid. This multi-functionality eliminates the need for separate dedicated heating plates and reduces the overall number of components required.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution improves the efficiency of liquid and vapor removal from filter cakes by allowing more effective heat transfer and increased surface area for liquid passage, reducing the overall size and cost of the filter press while maintaining capacity.

Implementation Method 1

The temperature transfer plate assembly permits heating or cooling of slurry... providing efficient separation of liquid from slurry during forming of a filter cake... more effective heating of the filter cake to assist in moisture removal by vaporization

Methodology Applied
Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 2

more effective heating of the filter cake to assist in moisture removal by vaporization

Methodology Applied
Scientific EffectVaporization: Evaporation

Data Source

PatentUS7736502B2Temperature transfer filter plate assembly
Publication Date: 2010.06.15
  • US7736502B2 patent drawing
  • US7736502B2 patent drawing
  • US7736502B2 patent drawing

AI summary

A temperature transfer filter plate assembly for a filter press includes a temperature transfer filter plate in a filter plate assembly having a plate chamber for receiving heating or cooling fluid. A plurality of apertures extend through the filter plate to enable the flow of liquid therethrough. A filter frame includes a web or divider wall that receives temperature transfer filter plates on opposing sides thereof. The apertures of each temperature transfer filter plate open into respective collecting chambers defined by the inner wall of the temperature transfer filter plate and the divider wall. A flow path arrangement allows removal of the liquid from the collecting chambers in the temperature transfer filter plate assembly. The temperature transfer filter plates generally have inner and outer walls with a wavy or undulating configuration to form the plate chamber therebetween.