Distillation Column Internal Parts | Packed Column Parts | डिस्टिलेशन काॅलम इंटरनल पार्ट्स |

Refinery, Shutdown, Maintenance, Oil & Gas, Piping

8 Aug 202205:19

Summary

TLDRThis video script discusses the internal parts of a distillation column, focusing on the packed distillation column. It covers various components like the mist eliminator, liquid distributor, packing, support grid, hold-down rings, and collectors and redistributors. The script also explains the importance of each part in the distillation process, ensuring viewers understand the basics of distillation column maintenance.

Takeaways

🔬 The video discusses the internal parts of distillation columns.
🌐 The focus is on packed distillation columns, which are used for high packing and unclogging within the column.
👤 James, the presenter, provides an overview of the internal parts of the column and their functions.
📦 The video aims to clear any doubts the viewer might have about distillation columns.
📊 It mentions that if all the internals of the column are removed, it would resemble a simple pipe, emphasizing the importance of these parts.
💧 The first internal part discussed is the Mist Eliminator, also known as the 'sixth man pad', located at the top of the column.
💦 The Liquid Distributor is explained as a part that evenly distributes the liquid across the entire area of the column.
🧱 Packing is highlighted as a crucial part of the column, where proper contact and mixing of vapor and liquid occur for effective separation.
🔩 The Support Grid is mentioned as a part that supports the packing and prevents it from shifting under high pressure.
🚫 The Hold Down Grid, or Bed Limit, is explained as a part that locks the bed from shifting due to high pressure.
🌊 The Turn Down or Final Bend is described as a part that helps direct the liquid back into the packing from the wall, maximizing the column's efficiency.
🔄 Collectors and Redistributors are parts used to properly distribute the process fluid as it moves from one packing to another or is reduced in volume.

Q & A

What is the main topic of the video?
-The main topic of the video is about the internal parts of a distillation column.
What is the purpose of a distillation column?
-A distillation column is used for chemical or thermal separation processes.
What would happen if all the internals of the column are removed?
-If all the internals of the column are removed, it would essentially become a pipe.
What is the first internal part discussed in the video?
-The first internal part discussed is the Mist Eliminator, also known as the 12th Mist Pad.
What is the function of the Mist Eliminator?
-The Mist Eliminator condenses the mist or paper and separates the droplets from the vapor stream.
What is the Liquid Distributor and how does it work?
-The Liquid Distributor evenly distributes the liquid across the entire area of the column.
What are the two main types of packing used in distillation columns?
-The two main types of packing used are Random Packing and Structured Packing.
What is the purpose of packing in a distillation column?
-Packing provides the surface area for proper contact and mixing of vapor and liquid, which facilitates effective separation.
What is a Support Grid and why is it used?
-A Support Grid is used to support the packing and prevent it from moving due to high pressure.
What is the role of the Hold Down Grid or Bed Limiter?
-The Hold Down Grid or Bed Limiter helps to lock the bed of packing in place to prevent movement under high pressure.
What is the function of the Valve Tray or Final Tray?
-The Valve Tray or Final Tray separates the liquid from the vapor and allows the liquid to flow back into the packing above.
What are the Collectors and Redistributors used for?
-Collectors and Redistributors are used to properly distribute the liquid when the process fluid is pumped around the column.
What is the purpose of the Text Basket or the Weir?
-The Text Basket or Weir is placed at the bottom of the column to ensure the process fluid is drained reliably.

Outlines

00:00

🔬 Understanding Distillation Column Internals

This paragraph discusses the internal parts of a distillation column, specifically focusing on a packed distillation column. It explains the importance of the internal parts and their functions within the column. The video aims to provide an overview of these parts, including their names and appearances. The speaker encourages viewers to watch the entire video for a clear understanding of the distillation process and to be prepared for any questions that might arise during interviews about the topic. Key components mentioned include the mist eliminator, liquid distributor, packing, support grid, hold down rings, and collectors and redistributors.

05:00

📢 Engaging with the Channel and Staying Updated

In this paragraph, the speaker encourages viewers to subscribe to the channel and press the bell icon to receive notifications for upcoming videos. They also invite viewers to connect with them on Facebook and Instagram by following the Sonu Singh Refinery page. The speaker wishes viewers to stay healthy and safe, and thanks them for watching, indicating the end of the video.

Mindmap

Keywords

💡Distillation Column

A distillation column is a type of fractional distillation apparatus used for separating mixtures based on differences in their boiling points by vaporizing the mixture and then condensing the vapor back into liquid. In the script, the video discusses the internal parts of a distillation column, which are essential for its function in chemical or thermal separation processes.

💡Internal Parts

Internal parts refer to the components within the distillation column that contribute to its operation. The video provides an overview of these parts, which are crucial for the column's effectiveness in separating components of a mixture. Examples given include the mist eliminator, liquid distributor, and packing.

💡Mist Eliminator

The mist eliminator, also known as a demister pad, is located at the top of the distillation column. It helps in removing entrained liquid droplets from the vapor stream, preventing them from being carried over into the condenser. This is important for maintaining the purity of the distillate. The script mentions it as the first internal part discussed.

💡Liquid Distributor

A liquid distributor is designed to evenly distribute the liquid across the cross-sectional area of the column. It ensures that the liquid is spread out for proper contact with the vapor, which is essential for effective separation. The script describes it as a simple part that can take various shapes like channels or pipes.

💡Packing

Packing refers to the material used inside the column to provide a surface for vapor-liquid contact and facilitate the separation process. The video mentions two main types of packing: random packing and structured packing. Random packing includes items like rings and saddles, which promote mixing and separation.

💡Structured Packing

Structured packing is a type of packing that is arranged in a specific order to optimize the separation process. It is usually made of materials with high void fractions to reduce pressure drop. The script implies that this type of packing is used in the distillation column discussed.

💡Support Grid

A support grid is used to hold the packing in place within the column. It prevents the packing from moving or settling, which could disrupt the separation process. The script mentions the use of a support grid similar to a tree column for supporting the packing.

💡Hold Down Grid

The hold down grid, also referred to as a bed limiter, is used to secure the packing from being displaced under high pressure. It helps maintain the integrity of the packed bed and ensures that the packing does not shift, which could lead to channeling or reduced efficiency.

💡Vortex Tray

A vortex tray is a type of tray used in distillation columns to create a vortex or whirlpool effect that enhances the separation process. It helps in directing the liquid down the tray and back into the packing above, maximizing the efficiency of the column. The script refers to it as沃尔夫帕尔 or 'Vortex Par'.

💡Tray Sump

The tray sump is the downcomer or lower part of the tray that collects the liquid and directs it to the next tray down. It plays a crucial role in ensuring that the liquid is evenly distributed across the trays and that the flow is controlled. The script mentions it in the context of directing the liquid down the column.

💡Collector and Redistributor

Collectors and redistributors are used to manage the flow of liquid between different sections of the distillation column. They help in properly distributing the liquid to ensure efficient contact between vapor and liquid phases. The script discusses their use in managing the flow of liquid as the process fluid moves from one section of the column to another.

Highlights

Introduction to distillation column internal parts

Discussion on packet distillation columns

Internal parts within the high packing and uncinder club

Overview of the internal parts and their appearance

Importance of understanding the distillation column's internals for interviews

Explanation of the distillation column's use in chemical or thermal separation

Description of the Mist Eliminator, also known as the 18th Mist Pad

Function of the Mist Eliminator in condensing and separating liquid from vapor

Introduction to the Liquid Distributor and its role in evenly distributing liquid

Variations in the design of Liquid Distributors

Explanation of Packing, its types, and uses

Types of packing: Random Packing and Structured Packing

Role of Packing in facilitating proper contact and mixing of vapor and liquid for separation

Introduction to the Support Grid and its function in supporting the packing

Explanation of the Hold Down Grid or Bed Limiter and its role in maintaining packing in place

Function of the Valve Tray or Final Tray in directing the liquid back into the packing

Use of Collectors and Redistributors in the process flow between packings

Description of the Text Back Boker or Boker Alveges at the bottom of the column for reliable drainage

Encouragement to like and share the video for more informative content

Invitation to subscribe to the channel for notifications on future videos