Gas Protection Ultrasonic Sieving Machine
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| Model | DH400-DH2000 |
| Capacity | 100-3300kg/h |
Ensure that the properties of the material being processed remain unchanged.
The screening accuracy can be increased by 1-70%, and the output can be increased by 0.5-10 times.
Product introduction of Gas ultrasonic protection sieving machine
The Gas Protection Ultrasonic Sieving Machine combines ultrasonic screening technology with a gas-protection system for fine powder separation. The ultrasonic system helps reduce mesh blockage caused by fine particles, while the gas-protection configuration is designed for screening processes that require a controlled gas environment.

This machine is suitable for fine powders that are prone to agglomeration, electrostatic adhesion, or mesh blinding. Screen diameter, mesh size, number of layers, and gas-protection requirements can be selected according to the material properties and processing conditions.
Before selecting a model, confirm the required gas type, material characteristics, target particle size, and screening capacity to ensure the configuration meets your process requirements.
Working Principle of Gas Protection Ultrasonic Sieving Machine
The Gas Protection Ultrasonic Sieving Machine combines mechanical vibration, ultrasonic assistance, and a gas-protection configuration to support fine powder screening.
During operation, the vibrating motor drives the screen body to produce three-dimensional motion, allowing material to spread across the screen surface. The ultrasonic system applies high-frequency vibration to the screen mesh, helping fine particles pass through the openings and reducing mesh blockage caused by adhesion or agglomeration.
The gas-protection system provides the specified gas environment around the screening process, according to the machine configuration and application requirements. The gas type, supply method, and protection conditions should be confirmed before ordering to ensure compatibility with the material and production process.
Advantages of Gas Protection Ultrasonic Sieving Machine
Ultrasonic-Assisted Fine Powder Screening: The ultrasonic system applies high-frequency vibration to the screen mesh, helping fine powders pass through the openings and reducing blockage caused by particle adhesion or agglomeration. Actual screening performance depends on the material properties, mesh size, and operating conditions.

Gas Protection for Controlled Screening Conditions: The gas-protection configuration is designed for screening processes that require a specified gas environment. The suitable gas type and protection setup should be selected according to the material and process requirements.
Flexible Mesh Sizes and Screen Layers: Different mesh sizes and screen-layer configurations can be selected to meet fine powder screening and particle grading requirements. The final configuration depends on the target particle size, material characteristics, and required output.
Designed for Difficult-to-Screen Powders: Ultrasonic assistance can help reduce mesh blinding when handling fine powders that tend to adhere to the mesh or form agglomerates. Screening trials are recommended for materials with strong electrostatic properties or special handling requirements.
Technical Parameters of Gas Protection Ultrasonic Sieving Machine
| Model | DH-600 | DH-800 | DH-1000 | DH-1200 | DH-1500 | DH-1800 | DH-2000 |
|
Diameter mm |
Φ600 | Φ800 | Φ1000 | Φ1200 | Φ1500 | Φ1800 | Φ2000 |
|
Screen area m |
0.24 | 0.45 | 0.67 | 1.0 | 1.6 | 2.43 | 3.01 |
|
Screen size (mesh) |
2-500 | ||||||
|
Feed particle size mm |
<Φ10 | <Φ15 | <Φ20 | <Φ30 | |||
|
Vibration times rpm |
1500 | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 |
|
Effective sieve surface straight mm |
Φ560 | Φ760 | Φ930 | Φ1130 | Φ1430 | Φ1760 | Φ1960 |
| layers | 1-5 | ||||||
|
power Kw |
0.25 | 0.55 | 0.75 | 1.1 | 1.5 | 2.2 | 3 |
Applications of Gas Protection Ultrasonic Sieving Machine
The Gas Protection Ultrasonic Sieving Machine can be configured for fine powder screening applications where ultrasonic assistance or a specified gas environment is required. Material compatibility and the required protection conditions should be evaluated before selecting the machine.

Metal and Alloy Powders
Potential applications include fine screening of tungsten powder, molybdenum powder, nickel powder, cobalt powder, stainless steel powder, alloy powders, and metal powders used in additive manufacturing. The required gas type and screening configuration depend on the material's properties and process requirements.
Advanced and Industrial Powders
Other possible applications include silicon carbide, quartz powder, magnetic powders, and selected battery electrode materials. Ultrasonic assistance may help reduce mesh blockage when fine particles adhere to the screen or form agglomerates.
Food and Chemical Powders
Depending on the material and required processing environment, the machine may also be evaluated for selected powders such as malt powder, coffee powder, and powder coatings. Suitability should be confirmed through material testing and a review of the required gas-protection conditions.
Gas Protection Options and Selection Considerations
Choose the gas protection configuration according to material properties and screening requirements. Confirm the following details before ordering.
| Selection Factor | What to Confirm |
|---|---|
| Material Properties | Material name and sensitivity to oxidation or moisture. |
| Gas Protection | Required gas type, supply method, and protection conditions. |
| Screening Requirements | Target mesh size, particle size, capacity, and number of screen layers. |
| Equipment Configuration | Confirm sealing requirements and material compatibility with the manufacturer. |
Provide your material details and screening targets to help determine a suitable machine configuration.
Material Testing and Model Selection
Select a suitable model based on material properties, target particle size, required screening capacity, and screen layers. Fine powders that tend to agglomerate or block the mesh may require ultrasonic assistance and material testing to evaluate screening performance.
When requesting a quotation, provide your material name, target mesh size, expected capacity, and screening requirements. These details help determine a suitable machine configuration for your application.
Special Instructions for Gas ultrasonic protection sieving machine
In addition to having the same specifications as the DH series three-dimensional vibrating screening machine, there are also a variety of special designs for screening of special materials, DH series ultrasonic vibrating screens have different special designs, especially for the intelligent vibration ultrasonic controller. Design, equipment structure of screening under lazy gas protection, etc.
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