How to size a regenerative thermal oxidizer for my process?

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When it comes to controlling air pollution in industrial processes, regenerative thermal oxidizers (RTOs) have become the go-to solution for many companies. However, selecting the right size for an RTO can be a daunting task. In this article, we will explore the factors that influence RTO sizing and provide insights on how to determine the appropriate size for your process.

Factors affecting RTO sizing

Process flow rate

One of the most important factors to consider when sizing an RTO is the process flow rate. This refers to the volume of gases that need to be treated per unit of time. It is important to determine the peak flow rate, which is the maximum flow rate that the RTO will need to handle. The RTO should be sized to handle this peak flow rate to ensure that it can effectively treat all gases generated during the operation of the process.

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Another important factor that influences RTO sizing is the concentration of pollutants. The higher the concentration of pollutants, the larger the RTO needs to be. This is because high concentrations of pollutants require longer residence times in the RTO to achieve the desired destruction efficiency. The destruction efficiency refers to the percentage of pollutants that are destroyed in the RTO.

Temperature of exhaust gases

The temperature of the exhaust gases is also a crucial factor in RTO sizing. The RTO should be designed to operate at a temperature that is high enough to ensure that the pollutants are effectively destroyed. However, the temperature should not be so high that it causes thermal damage to the process equipment. The temperature of the exhaust gases can also affect the RTO’s energy consumption, which is an important factor to consider when sizing an RTO.

Choosing the right RTO size

Consult an expert

Given the complexity of RTO sizing, it is recommended to consult an expert in the field. An experienced RTO supplier can help you determine the appropriate size for your specific process. They will consider factors such as the type of pollutants generated in the process, the process flow rate, and the temperature of the exhaust gases.

Bigger is not always better

While it may be tempting to opt for a larger RTO to ensure that it can handle any future increases in process flow rate or pollutant concentration, this approach can result in unnecessary costs. An RTO that is too large for the process can lead to inefficient operation and higher energy consumption. Therefore, it is important to select an RTO that is appropriately sized for your process.

Consider future changes

It is important to consider any future changes to the process when sizing an RTO. For example, if there are plans to increase the process flow rate or introduce new pollutants, the RTO should be sized to accommodate these changes. This can help avoid the need to replace the RTO in the future, which can be costly.

บทสรุป

Sizing an RTO for your process can be a complex task, but it is crucial to ensure effective air pollution control. By considering factors such as process flow rate, concentration of pollutants, and temperature of exhaust gases, and consulting an expert in the field, you can determine the appropriate size for your specific process. Remember, selecting an RTO that is too large can result in unnecessary costs, while selecting one that is too small can compromise air pollution control.

แนะนำบริษัท

We are a high-tech enterprise specializing in the comprehensive treatment of volatile organic compounds (VOCs) waste gas and carbon reduction and energy-saving technology equipment manufacturing. Our core technologies include four major core technologies of thermal energy, combustion, sealing, and self-control; temperature field simulation, air flow field simulation modeling capabilities; ceramic heat storage material properties, molecular sieve adsorption material selection, VOCs organic high-temperature incineration oxidation characteristics experimental testing capabilities.

Our team is located in Xi’an, where we have an RTO technology research and development center and a waste gas carbon reduction engineering technology center. We also have a 30,000©O production base in Yangling, and we are a leading manufacturer of RTO equipment and molecular sieve rotary equipment worldwide. Our core technology team comes from the Aerospace Liquid Rocket Engine Research Institute (Aerospace Six Institutes). We have more than 360 employees, including more than 60 R&D technical backbone, including 3 senior engineers, 6 senior engineers, and 72 thermodynamics Ph.D.

Our core products are the rotary valve heat-storage oxidation incinerator (RTO) and the molecular sieve adsorption and concentration rotary wheel. Combined with our own environmental protection and thermal energy system engineering technology expertise, we can provide customers with integrated solutions for industrial waste gas comprehensive treatment and thermal energy utilization carbon reduction.

Certifications, Patents, and Honors

Intellectual Property Management System Certification
Quality Management System Certification
Environmental Management System Certification
Construction Industry Enterprise Qualification
High-tech Enterprise
Patents for rotary valve heat-storage oxidation incinerators and rotary molecular sieve incineration equipment
Patent for disc-type zeolite rotary wheel

How to size a regenerative thermal oxidizer for my process?

Determine the inlet VOC concentration and volumetric flow rate
Calculate the total mass flow rate of the VOCs
Calculate the destruction efficiency required by the regulatory agency
Calculate the air exchange rate or residence time of the RTO
Choose the appropriate type and size of RTO equipment

1. The inlet VOC concentration and volumetric flow rate are the most important parameters to determine the size of the RTO. A higher inlet concentration requires a larger RTO to handle the same throughput. A higher volumetric flow rate requires a larger RTO to achieve the same residence time.

2. The total mass flow rate of the VOCs is calculated by multiplying the volumetric flow rate by the inlet concentration and molecular weight of the VOCs. This parameter is used to size the heat exchanger in the RTO.

3. The destruction efficiency required by the regulatory agency depends on the type of VOCs and the local regulations. This parameter is used to size the combustion chamber and the residence time of the RTO.

4. The air exchange rate or residence time of the RTO determines the size of the RTO. The higher the air exchange rate, the smaller the RTO can be for the same throughput.

5. Choose the appropriate type and size of RTO equipment based on the above parameters and the specific needs of your process.

Service Process

We provide a one-stop solution for RTO equipment, including consulting and evaluation, design and scheme development, production and manufacturing, installation and commissioning, and after-sales support.

Consulting and Evaluation: Preliminary consultation, on-site inspection, demand analysis
Design and Scheme Development: Scheme design, simulation and modeling, scheme review
Production and Manufacturing: Customized production, quality control, factory testing
Installation and Commissioning: On-site installation, commissioning and operation, training services
After-sales Support: Regular maintenance, technical support, spare parts supply

Our professional team can provide customers with tailored RTO solutions, and we strive to provide the best service to our customers.

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