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Injection quills purpose, specifications and design

What is the purpose of an injection quill? Why is an injection quill required?

Injection quill causes turbulence and allows the chemical to be dispensed into this turbulent stream, allowing for faster mixing and preventing large concentrations of the chemical from being deposited along the pipe’s wall. Corrosion and premature process pipe failure can result from chemical accumulation within a pipe.

Retractable injection quills allow chemical injection into a process fluid stream without disrupting, halting, or depressurizing the present process. This allows chemical to be injected into a system sooner and more cost effectively, rather than needing to wait for or force a shutdown in order to begin adding chemical to the process.

Depending on the operation, injection quills may include extra components such as isolation and bleed valves that allow the trapped or pressured chemical to be bled-off and a flush fluid to be passed through the quill prior to withdrawing the quill from the process.

Injection quills can be used to inject almost any chemical, including methanol, corrosion inhibitors, and anti-scalants, which are used to avoid freezing, reduce corrosion, and reduce scaling on the internal cavity of pipes, as well as a wide range of other process chemicals used in refineries, upgraders, petrochemical, water and wastewater plants, mines, and a variety of manufacturing processes.

How do injection quills improve safety?

Fixed or retractable quills with an isolation and/or bleed valve built in will allow for the safe release of trapped or excess chemical to a drain or safe disposal place or container. Retractable quills with a threaded guide enable for pressure-free removal. This means that the quill is trapped and controlled while being removed and will not shoot-out under pressure, perhaps causing harm.

Experienced engineers will collect and review all pertinent data to ensure that appropriate materials are used and that the design is optimal and safe for the process circumstances. This includes, but is not limited to, calculating wake frequencies and examining fluid compositions, flow, velocity, temperatures, and pressures.

Quill Specification and Design

By defining key variables at the start of the project, quill specification can be performed fast and effortlessly. In general, identifying a few basic specification parameters is required at the injection quill scoping phase. A qualified injection quill specialist, such as Crystal Industrial Syndicate, can assist you in rapidly and efficiently determining the following information:

What sort of quill is suitable for your application? Is it fixed or retractable?
What is the quill insertion length, design pressure, and design temperature?
For the injected chemical, determine its flowrate, chemical name, viscosity, compatibility, and pressure.
Also determine flowrate, chemical name, viscosity, compatibility, and pressure of the main process chemical.
How big is the process pipe that’s being used?
Injected Quill Connection: validate details on the connection type (Flange or MNPT/FNPT), material, and connection size.
Confirm the height of the connection face from the surface of the process pipe (or the current valve), as well as the kind of connection (Flange or MNPT/FNPT), material, and connection size.
The costing, design, and production of the quills can commence once the above information is confirmed.

Hope that provides you with a fair idea of the purpose of an injection quill. Contact us to know how Crystal Industrial Syndicate’s products can support your injection quills requirements. Our experts can recommend custom-built solutions. Contact us

Injection quills and their applications?

Injection quills are used in the oil and gas industry to inject fluids into pipelines for a variety of purposes. These purposes include corrosion control, scale inhibition, and enhanced oil recovery. Injection quills are typically made of corrosion-resistant materials such as stainless steel or plastic and are designed to be inserted into the pipeline through a fitting called a spool piece. The quill has one or more openings through which the fluid can be injected, and the rate of injection can be controlled using valves or other flow control devices. Injection quills are used in both onshore and offshore oil and gas operations and are an important tool for maintaining the integrity and efficiency of pipelines.

One common application of injection quills in the oil and gas industry is corrosion control. Corrosion is a natural process that occurs when metal pipelines are exposed to the elements, such as water, oxygen, and acidic or basic fluids. Corrosion can weaken the pipeline and create leaks, which can be dangerous and costly. To prevent corrosion, oil and gas companies may inject corrosion inhibitors into the pipeline using injection quills. These inhibitors form a protective layer on the metal surface, preventing the corrosion process from occurring.

Another application of injection quills in the oil and gas industry is scale inhibition. Scale is a buildup of minerals and other substances on the inside of pipelines, which can occur when water is present. Scale can restrict the flow of fluids through the pipeline and cause it to become less efficient. To prevent scale buildup, oil and gas companies may inject scale inhibitors into the pipeline using injection quills. These inhibitors prevent the minerals from sticking to the surface of the pipeline, keeping it clean and unobstructed.

Injection quills are also used in the oil and gas industry for enhanced oil recovery (EOR). EOR is a process that involves injecting fluids into an oil reservoir to increase the amount of oil that can be extracted. There are several types of fluids that can be used for EOR, including water, steam, and gases such as carbon dioxide. Injection quills are used to inject these fluids into the reservoir, often at high pressure, to increase the pressure within the reservoir and force more oil to flow out of the well.

In addition to these main applications, injection quills can also be used for other purposes in the oil and gas industry. For example, they can be used to inject cleaning fluids into pipelines to remove dirt, debris, and other contaminants. They can also be used to inject gases such as nitrogen or hydrogen into pipelines to create a protective atmosphere or to flush out the pipeline.

Overall, injection quills are an important tool in the oil and gas industry, providing a safe and efficient way to inject fluids into pipelines. They are used for a variety of purposes, including corrosion control, scale inhibition, and enhanced oil recovery, and are an essential part of maintaining the integrity and efficiency of pipelines.

If you would like to know how Crystal Industrial Syndicate’s products can support your injection quills requirements, please contact us. We can understand your injection quills requirements and recommend a custom-built solution. Contact us

Retractable injection quills: types and materials

Retractable injection quills from Crystal Industrial Syndicate are devices that are used to inject liquids or gases into a pressurized system, such as a piping system in a chemical plant. They typically consist of a needle or nozzle that can be inserted into the system through a small opening, and a mechanism for retracting the needle or nozzle when it is not in use. The main advantage of retractable injection quills is that they allow the user to inject fluids into the system without having to disconnect or open the system, which can reduce the risk of spills or leaks and make the injection process more efficient.

With retractable injection quills, the quill can be pulled out and put back in without having to depressurize the whole process. This is a very useful feature for people who work with chemicals like sodium hypochlorite, ammonia, and polymer that tend to clog.

Crystal Industrial Syndicate manufactures world-class retractable injection quills. Our retractable injection quills come in 4 main varieties.

STANDARD SERVICE RETRACTABLE
They can be used in a wide variety of chemical treatment applications because they can be made in different sizes and out of different materials.

HEAVY SERVICE RETRACTABLE
For purposes with longer insertion lengths, greater pressures, turbulent flows, and other harsh conditions.

HIGH CORROSION RESISTANT
More options for materials that can stand up to high chloride and other aggressive chemicals in process flows.

FLANGED RETRACTABLE
A durable design that uses a 250 psi dual-bolt restraint and a guide pipe assembly that helps support the restraint.

With retractable injectors, the injection quill can be put in or taken out while the system is still under pressure. It c Can be used when there is no way to turn off the pressure in the line. The employment of this removable injection quill enhances injection and diffusion and makes it possible to inject corrosive chemicals into a pipeline without hurting the pipe or threaded port at the injection point. When injected into the pipe’s centre stream, the chemicals are spread out more evenly because the pipe’s speed is higher and more turbulent.

In the past, this variety of retractable injector was called a “corporation stop injector.” However, high-quality ball valves have many benefits over the older model that utilizes a corporation stop for the valve that turns the flow off. The ball valve nipple will have a smaller space between the quill and the valve. This will make it less likely for the pipe to rattle when there is turbulence in the flow.

Available in 34″, 1″, 1-1/2″, and 2″ sizes, as well as custom sizes that are larger.

Construction materials for retractable injection quills
Retractable injection quills can be made from a variety of materials, depending on the specific application and the properties of the fluid being injected. Some common materials for injection quills include stainless steel, aluminum, brass, and plastic. The choice of material may be based on factors such as the temperature and pressure of the system, the chemical compatibility of the material with the injected fluid, and the mechanical strength and durability of the quill. In some cases, injection quills may be coated or lined with materials that provide additional chemical resistance or improve the sealing properties of the device.

Retractable injection quills are made from the following materials:

Titanium
316L S.S.
Hastelloy C-276
Kynar
Alloy 20
CPVC
PVC