Description

A chemical injection quill assembly is critical in many industrial processes, especially in oil and gas, chemical manufacturing, and water treatment. Designers create this device to introduce precise chemical amounts into a pipeline or vessel. This ensures efficient mixing and dispersion within the fluid stream.

1. Parameters

Category	Details
Product Information
Product Name	Chemical Injection Quill
Brand Name	EMT Pigging
Condition	New
Type	Injection & Sampling System
Certification	ISO 9001
Warranty	1.5 years
Place of Origin	Liaoning, China
Physical Specifications
Weight (KG)	5
Package Size (cm)	35 x 40 x 60
Gross Weight (Package, kg)	8
Material and Construction
Sealing Material	Fluororubber
Solid Plug Assembly	316L Stainless Steel
Injection Tube	316L Stainless Steel
NPT Nozzle	316L Stainless Steel
Flange Material	ASTM A105N
Operational Parameters
Working Temperature (°C)	-20 to 200
Operation Temperature (°C)	-20 to 150
Working Pressure (LB)	150LB, 300LB, 600LB, 900LB, 1500LB
Pressure Rating (PSI)	6000 PSI or as per Flange Size

2. Key Components

Quill: The quill is a long, narrow tube that extends into the pipeline. It allows chemicals to be injected directly into the center of the flow. This placement ensures rapid mixing and reduces the exposure of the pipeline walls to potentially corrosive chemicals.
Check Valve: Integrated into the assembly to prevent the backflow of the pipeline contents into the chemical supply, protecting both the supply and the injection system.

Isolation Valve: Used to isolate the injection point from the main pipeline for maintenance or in case of a

malfunction.

Valve Operation: Operators can close this valve to safely service the quill without interrupting the pipeline operation.

Injection Point: The location on the pipeline where operators insert the quill. It is typically designed for easy access and secure attachment to ensure a leak-proof connection.

Connection Fittings: Operators use these fittings to securely connect the quill to the chemical supply lines. The fittings must be compatible with both the chemicals being used and the materials of construction of the pipeline to avoid corrosion or degradation.

3. Advantages

Efficiency: The direct injection into the flow stream ensures immediate mixing and reaction, improving the overall efficiency of the chemical usage.
Safety: Reduces operator exposure to chemicals and minimizes the risk of leaks or spills at the injection site.
Precision: Allows for precise control over the amount and rate of chemical introduced, which is critical for maintaining process parameters and ensuring quality control.

4. Selection Model

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

5. What is Chemical Injection Quill?

A chemical injection quill injects chemicals directly into a pipeline or vessel at a specific point in various industrial processes. This device ensures even chemical distribution within the fluid stream. It enhances efficiency and effectiveness in chemical reactions or treatments. Industries like water treatment and oil and gas production commonly use chemical injection quills for precise dosing.

6. How Does Chemical Injection Quill Work?

A chemical injection quill typically consists of a long, narrow tube that extends into the pipeline or vessel. Its design enables direct chemical injection into the flow’s center, which promotes rapid mixing and dispersal with the process fluid. Here’s a detailed breakdown of its operation:

Positioning: Initially, operators mount the quill through the wall, securing it with a flanged or threaded connection for a leak-proof system.

Injection Point: Subsequently, the tip releases chemicals, strategically positioned away from the wall and close to the flow’s center.

Distribution: This placement aids significantly in achieving a more uniform distribution of the chemicals in the fluid stream.

Backflow Prevention: Moreover, a check valve, often integrated into the quill, prevents the process fluid from entering the chemical supply line. This step is crucial for maintaining the purity of the chemical and ensuring safety.

Controlled Delivery: Finally, operators regulate chemical flow through the quill with valves, controlled by automated systems using real-time sensor data. This allows for precise adjustments to meet customer needs.