Description

1. Overview

Retractable chemical injection quill serves as an essential device in various industrial processes. It injects chemicals directly into pipelines or vessels while maintaining high safety and accuracy standards. This device proves particularly crucial in applications that require precise chemical dosing. It helps prevent corrosion, scale, and bacterial growth, or adjusts pH levels. The retractable feature of these quills allows for easy maintenance and replacement. There is no need to shut down the system or drain the pipeline.

2. Design and Functionality

Retractable chemical injection quill is designed to ensure that chemicals are injected into the center of the pipeline, which promotes rapid mixing with the process fluid. This central placement helps prevent corrosion that might occur if the chemicals were to come into direct contact with the pipeline walls. The design typically includes:is

A Stainless Steel Body: For durability and resistance to harsh chemicals.
A Check Valve: To prevent the backflow of the process fluid into the chemical feed line.
A Spring-loaded Retraction Mechanism: Allows for the quill to be safely retracted from the pipeline for maintenance or adjustment without stopping the flow of the process fluid.

3. Selection Model Form

Model

SI

Chemical Injector Quill

-Code

Plug

Pxxx

Type

Material

Sealing Material

0

No Request

0

CS

0

No Request

1

Hollow Plug Body

1

316SS

3

DSS

1

Viton O-Ring / PTFE Primary Packing

2

Solid Plug Body

2

316LSS

4

INCONEL

2

HNBR

– Code

Injection Nut

Nxx

Connection Size

Material

0

i.e. No Request

0

i.e. CS

1

i.e. 1/4″

1

i.e. 316SS

3

i.e. DSS

2

i.e. 1/2″

2

i.e. 316LSS

4

i.e. INCONEL

– Code

Injection Tube

Sxxx-Lx″

Connection Size

Material

Nozzle

Line size(x″)

0

No Request

0

CS

0

i.e. No Request

The most effective position for injection is generally at the center of the pipe

1

i.e. 1/4″

1

i.e. 316SS

1

i.e. Open

2

i.e. 1/2″

2

i.e. 316LSS

2

i.e. Quill

3

i.e. DSS

3

i.e. Cap & Core

4

i.e. INCONEL

– Code

Nipple and Valve（or end Flange）of Tee

Txx

Connection Size

Material

0

i.e. No Request

0

i.e. CS

1

i.e. 1/4″Nipple

a

i.e. 1/4″Nipple and Valve

1

i.e. 316SS

2

i.e. 1/2″Nipple

b

i.e. 1/2″Nipple and Valve

2

i.e. 316LSS

3

i.e. 3/4″Nipple

c

i.e. 3/4″Nipple and Valve

3

i.e. D SS

4

i.e. 1″Nipple

d

i.e. 1″Nipple and Valve

4

i.e. INCONEL

5

i.e. 1/4″Flange

e

i.e. 1/4″Nipple end Flange

6

i.e. 1/2″Flange

f

i.e. 1/2″Nipple end Flange

7

i.e. 3/4″Flange

g

i.e. 3/4″Nipple end Flange

8

i.e. 1″Flange

h

i.e. 1″Nipple end Flange

For Example,  SI-P221-N12-S122-L4″-T22

SI：e.g. Sampling & Injection Assembly，

P221: e.g. Solid Plug Body in 316LSS Viton O-Ring and PTFE Primary Packing，

N12：e.g. injection Nut Connection Size is 1/4″and Material is 316LSS，

S122：e.g. injection Tube Connection Size is 1/4″ and Material is 316LSS. Type of nozzle is quills

L4″：For 4″pipe.

T22: Nipple of Tee Connection Size is 1/2″, Nipple material is 316LSS

4. Key Features

Ease of Installation and Maintenance: The retractable design allows for easy insertion and removal from the system without major disruptions.
Precision in Chemical Injection:

Ensures that chemicals are evenly distributed into the flow of the main pipeline, enhancing the effectiveness of the treatment.
Compatibility:

Can be used with a wide range of chemicals and in various industrial environments, including oil and gas, water treatment, and manufacturing processes.

5. Benefits of Using Retractable Chemical Injection Quill

Retractable chemical injection quill significantly enhances safety by injecting chemicals directly into the center of the flow. This strategic placement minimizes the risk of corrosion on pipeline walls. As a result, it extends the life of the infrastructure, saving costs and reducing maintenance needs.

These quills also boost operational efficiency, allowing for continuous system operation. There is no need to shut down the system during maintenance or when replacing the quill. This feature ensures that production remains uninterrupted, which is crucial for maintaining workflow and productivity in any industrial setting.

Furthermore, retractable chemical injection quills are cost-effective and versatile, making them suitable for a wide range of applications. They can handle various types of chemicals, which makes them an ideal choice for many industries. Additionally, these quills provide precise chemical dosing, essential for processes where the timing and concentration of chemical reactions are key to efficiency and product quality.

6. Application of Retractable Chemical Injection Quill

Retractable Chemical Injection Quill is used in a variety of settings:

Oil and Gas: To inject corrosion inhibitors, scale inhibitors, or biocides that help maintain the integrity of the pipeline and the quality of the product being transported.
Water Treatment: For the precise dosing of chlorination chemicals, pH adjusters, or flocculants in water treatment facilities.
Chemical Processing: In chemical manufacturing plants where precise and safe chemical injection is critical to process outcomes.