Process Gas Treatment Device and Method for Treating Process Gas

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Solution Overview

Problem

Existing process gas treatment devices suffer from high energy consumption and long cooling times, particularly during the drying and cooling phases, which can lead to unwanted agglomeration of process materials due to moisture precipitation.

Innovation Solution

Incorporating a cooling unit into the bypass unit of the process gas treatment device, allowing the tempering unit to be subjected to throughflow during the drying phase and the cooling unit during the cooling phase, while using a condensation dehumidifying unit and adsorption dehumidifying unit in conjunction with a regenerating system to efficiently manage humidity and energy usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If the process gas is cooled upstream or downstream of the tempering device, then the process gas can be cooled, but all device components are cooled chronologically before the process material which increases energy consumption and cooling time

Engineering Contradiction:
Improveprocess gas temperatureVSAvoidenergy consumption
Core Design Contradiction:
TemperatureVSUse of energy by stationary object

Solution Approach 1:

The system is divided into separate functional segments: the tempering device for heating and the bypass unit with cooling unit for cooling. This allows independent operation of each segment, enabling the process gas to be cooled without necessarily cooling all upstream device components, thus reducing energy consumption and cooling time.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The bypass unit serves multiple functions: it can bypass the tempering device entirely for direct cooling, or it can be configured to cool process gas after tempering. This multi-functionality allows flexible operation modes that optimize energy consumption based on process requirements.

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

2Temperature

If the process gas is cooled upstream or downstream of the tempering device, then the process gas can be cooled, but the cooling times are very long due to the inert mass of the installed device components

Engineering Contradiction:
Improveprocess gas temperatureVSAvoidcooling time
Core Design Contradiction:
TemperatureVSLoss of time

Solution Approach 1:

By segmenting the cooling function into a separate bypass unit with its own cooling unit, the system avoids the need to cool the large thermal mass of the tempering device and upstream components. The cooling process is isolated to a smaller, dedicated section, significantly reducing cooling time.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The bypass unit is pre-configured with the cooling unit, allowing cooling to begin immediately when needed without waiting for the tempering device to complete its cycle. This preliminary preparation of the cooling path eliminates delays associated with cooling large inert masses.

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If the process gas is not adequately dehumidified, then the treatment process is simpler, but moisture precipitates and leads to unwanted agglomeration of the process material

Engineering Contradiction:
Improvedehumidification system complexityVSAvoidmoisture-induced agglomeration
Core Design Contradiction:
Device complexityVSObject-generated harmful factors

Solution Approach 1:

The dehumidification process utilizes phase transitions of water (condensation) to remove moisture from the process gas. The condensation unit cools the gas to condense water vapor, and the adsorption unit uses desiccant materials that undergo phase changes in their adsorption capacity, effectively removing residual moisture to prevent agglomeration.

Inventive Principle:
Principle #36Phase transitions

Solution Approach 2:

The system discards moisture from the process gas through condensation and adsorption. The regenerating unit then recovers the moisture-capturing capacity of the adsorption materials by heating them to drive off absorbed moisture, allowing the adsorbents to be reused. This cycle efficiently manages humidity while preventing agglomeration.

Inventive Principle:
Principle #34Discarding and recovering

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

This configuration significantly reduces energy consumption and cooling times, preventing moisture-induced agglomeration by optimizing the flow of process gas through the device, thereby enhancing the efficiency and cost-effectiveness of the treatment process.

Implementation Method 1

condensation dehumidifying unit

Methodology Applied
Scientific EffectCondensation: Condensation

Implementation Method 2

adsorption dehumidifying unit

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 3

regenerating system

Methodology Applied
Scientific EffectDesorption: Desorption

Data Source

PatentUS20230071566A1Process Gas Treatment Device and Method for Treating Process Gas
Publication Date: 2023.03.09 GLATT GMBH
  • US20230071566A1 patent drawing
  • US20230071566A1 patent drawing
  • US20230071566A1 patent drawing

AI summary

A process gas treatment device for a process gas for treating a process material in a process apparatus and a method for treating process gas for the treatment of a process material in a process apparatus during a drying phase and a cooling phase.