Section 1: Nitrogen Oxide Emission Muffler Application:

Effective noise reduction for nitrogen and gas exhaust equipment in this series.

Section 2: Characteristics of Nitrogen Oxide Emission Muffler:

1. Nitrogen exhaust muffler

To suppress the noise from high-pressure gas flow, this type of silencer is designed based on a comprehensive understanding of noise reduction principles. After a single flow control inside the silencer, the gas enters the pressure-reducing chamber, where it is expanded to a larger volume, thereby forming a low-pressure gas flow that is then expelled. During this process, a portion of the gas flow's internal energy is converted into sound energy of a certain frequency. Although the noise power is significantly reduced, it often remains above the standard value due to various reasons such as the exhaust gas deviating from the design value. To address this, a double-layered sound-insulating shield is designed around the pressure-reducing chamber, tailored to the spectral characteristics of the residual noise emitted by the chamber, to effectively absorb the remaining noise. After installation according to specifications, the total noise reduction can reach 36 to 42 decibels.

2. Nitrogen Oxide Emission Muffler

For safety doors on equipment like gas emissions, the exhaust should avoid excessive noise while allowing smooth air flow. Therefore, the commonly used multi-stage throttling and small-hole injection noise reduction methods are not suitable. This limitation has always been a design challenge for safety door silencers and a reason for their poor noise reduction performance. The noise reducer of this novel safety door also employs the noise reduction principle of resistance, injection, and obstruction. It replaces the smaller diameter flow control holes with larger diameter holes for expansion, structurally enhancing the resistance, injection, and obstruction noise reduction effects, achieving an ideal noise reduction result.

3. Nitrogen Oxide Emission Muffler

Many industrial and mining enterprises utilize a large number of low-pressure boilers with pressure not exceeding 0.13 MPa. The thermal power system also features a substantial number of low-pressure thermal units, such as back-pressure turbines, deaerators, auxiliary exhaust blowers, turbine oil pumps, continuous boiler blowdown, and periodic blowdown, etc. The exhaust pipes of the aforementioned equipment require the installation of noise mufflers that are structurally lightweight and easier to install. Our company designs specialized mufflers for different noise control applications, meeting the requirements of our customers.

3. Ordering Instructions:

1. Application Objects (e.g., nitrogen, boiler ignition exhaust, safety valve exhaust, fans, deaerator exhaust, etc.).

2. Hair volume, steam pressure, temperature.

3. Emission Rate: t/h.

4. Original interface pipe diameter and wall thickness.

5. As long as the technical specifications provided by the customer are complete, our company can handle the design and production of any type and specification of silencer.

Four: Installation Precautions:

Packing materials include detailed usage instructions.

　　Description: 1. When the user's exhaust manifold specification does not match the table, the external dimensions will vary.

2. Our factory offers a variety of steam emission equipment, tailored to the steam volume specified by the customer.