DTH - Hollow cone spray nozzle
The BETE bi-directiona DTH series is designed for Flue Gas Desulphurisation (FGD) and features two orifices, each forming a hollow cone pattern, with one spraying downward and the other spraying upward. The upward spraying cone reduces the pressure drop across the absorber and increases the average droplet residence time
The DTH nozzle is also available with unequal flows in the cones, such as 70% upward spraying and 30% downward spraying.
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Design features
- DHT sprays both upwards and downwards, resulting in a reduced pressure drop and an increased residence time of the droplets.
- The standard material is SNBSC, but other materials are also available if required.
| Spray pattern | Hollow cone - Tangential (double) |
|---|---|
| Standard material - Body & Cap Nut | Silicon Nitrade Bonded Silicon Carbide (SNBSC) |
| Free passage | 36 - 64 mm |
| Temperature limitation | 1650°C |
Choose the right spray nozzle for an optimised spray process
Each type of nozzle has a specific flow rate, spray pattern and droplet size. To optimise the spray process, it is important to understand how different parameters affect the choice of spray nozzle and type of solution.
The Knowledge base contains information about spray pattern, droplet size, flow rate/pressure, spray coverage, materials, etc. The 'Materials' section of the Knowledge base lists the most commonly requested materials and maximum temperature of the material.
Our main supplier is BETE, a leading manufacturer of spray nozzles and spray systems with more than 70 years of experience in spray processes and a product range including over 20,000 components.
BETE's spray technology is used worldwide to optimise processes in many different industries, including the energy sector, chemical and petrochemical industry, food industry and offshore.
Some of BETE's certifications include ISO 9001:2015, ATEX and FM Approval.
BETE Performance Spray Engineering
BETE offers test facilities, CFD modelling, and advanced technical support. To ensure high quality and reliable deliveries, BETE's manufacturing is largely based 'in-house' with its own foundry, CNC machining, assembly and quality control.
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