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Selecting the appropriate gas supplement device is crucial for ensuring stable and efficient pulverized coal transportation. Below is a table summarizing key selection factors and recommendations to help you quickly grasp the essentials:
I. Core Product Features
Mixing Optimization
Installed at the outlet of the injection tank's pulverized coal main pipe, it dynamically adjusts the gas supplement volume to dilute high-concentration pulverized coal into a stable solid-gas two-phase flow, addressing issues such as coal accumulation and pipeline clogging in traditional transportation systems.
Precise Flow Control
Utilizes an adjustable round nut design, enabling stepless adjustment of the gas supplement volume (30%-120%) by altering the gas supplement channel gap (adjustable from 0.5-5mm), meeting various coal injection volume requirements.
II. Key Technical Parameters
| Selection Dimension | Key Considerations | Model Selection Recommendations |
|---|---|---|
| Transportation Distance | ||
| Short distance (e.g., <100m) | Relatively lower requirements for precision and stability in gas supplement adjustment. | Priority can be given to non-adjustable gas supplement devices, which are simple in structure, low-cost, and easy to replace. |
| Medium to long distance (e.g., ≥100m) | Requires the gas supplement device to effectively disrupt potential material columns formed during transportation and to flexibly adjust the gas supplement volume to maintain stable dense-phase transportation. | It is recommended to use an adjustable swirl-type gas supplement regulator. Its swirl channel design ensures more thorough and uniform mixing of powder and gas, reducing pulsation, and offers a wide adjustment range, making it more suitable for long-distance transportation. |
| Pulverized Coal Characteristics | ||
| Good fluidity, uniform concentration | Relatively standard requirements for the mixing and stabilization capabilities of the gas supplement device. | Standard models of swirl-type gas supplement regulators typically meet the requirements. |
| Fine particle size, prone to pulsation | Requires the gas supplement device to have excellent mixing capability to prevent pulsation and ensure stable transportation. | The swirl-type gas supplement regulator is a better choice, as its special design effectively avoids pulsation phenomena. |
| High abrasiveness | Attention should be paid to the device's wear resistance. | Inquire with the manufacturer about the availability of gas supplement devices with ceramic lining or made from more wear-resistant materials such as high-temperature alloy stainless steel. |
| Other Important Factors | ||
| Design Pressure | Select based on the system's maximum working pressure. | Common design pressures include 1.0 MPa, 1.6 MPa, and 2.5 MPa. |
| Nominal Diameter (DN) | Must match the pipe diameters upstream and downstream. | Common specifications include DN40, DN50, DN65, DN80, DN100, DN125, and DN150. |
| Installation and Maintenance | Adjustable gas supplement devices have a relatively complex structure, potentially requiring more effort during replacement. Non-adjustable types are simpler in structure and easier to replace. | Balance adjustment needs with maintenance convenience. |
| Industry Category | Machinery |
|---|---|
| Product Category | |
| Brand: | 翔业 |
| Spec: | DN125/DN32.长 530mm, 125 管内补陶瓷 |
| Stock: | 10000 |
| Manufacturer: | |
| Origin: | China / Shandong / Rizhaoshi |
