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FeAl Series

FeAl porous materials, a kind of porous material, is sintered after compression molding of pre-alloyed FeAl powder. As an Intermetallic compound, it takes into account the mechanical properties of metals and the corrosion resistance of ceramics, with stronger sulfur corrosion resistance than metals and higher mechanical strength and thermal shock resistance than ceramics. Therefore, it is widely used in the circumstances such as filtration and purification in high-temperature sulfur containing environment, for example, Fly Ash filters in Shell coal gasification and char filters in EGSA coal gasification.
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Stainless Steel Series

Stainless steel is a common metal material resistant to air, water and other corrosion. Stainless steel porous material is a kind of porous material, which is sintered after compression molding by stainless steel alloy powder with good heat resistance and corrosion resistance. It is widely used in gas-solid, liquid-solid separation and fluidization distribution in the fields of petrochemical, coal chemical, food, medicine and so on. The products such as adsorption desulfurization filter of SZorb, raw oil filter, residue filter, oil slurry filter and aeration cone are included.
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Superalloy Series

Superalloy is a metal material based on iron, nickel and cobalt, which can work for a long time above 600℃ with certain stress. With the performance of excellent high-temperature strength, good oxidation and thermal corrosion resistance, comprehensive performance of stainless steel, such as fatigue resistance and fracture toughness, superalloy is mainly applied to gas filtration, powder recycling under the high temperature, such as high-density ethylene catalyst filter.
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High flux metal membrane

High flux metal membrane is compound porous material of wire mesh or metal fiber felt and metal powder. It makes full use of the toughness and flux of the support layer of wire mesh, and combined with the high-precision film of surface metal powder to form a high-flux, high-precision compound porous material with high-temperature and corrosion resistance. It has a wide range of application in the field of high-flux and low-resistance high-temperature gas dedusting, which is an ideal substitute for organic baghouse dedusting and electrostatic precipitator.
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Sintered Metal Mesh Material and Filter Elements

Sintered Metal Mesh Porous Materials and Its Filter Elements are made by multi-layers of metal woven mesh through the process of special lamination design and vacuum press sintering.

Sintered metal mesh porous material is characterized of simple structure, even mesh aperture distribution as ordinary metal woven mesh, but high strength, good integrity, stable and rigid mesh shape. Further, the material can be customized for its pore size, permeability, mechanical strength, which show excellent comprehensive performance。

FEATURES AND BENEFITS

+ Rigid, stable and even pore distribution
+ Good permeability and low resistance loss
+ Easily cleanable with smooth surface
+ High strength and workable under high differential pressure
+ Extensive materials selection
+ High temperature and corrosion resistance
+ Liable to processing and molding
+ Superior welding performance

APPLICATIONS

Petrochemical: Rectisol process (solid-liquid separation), etc.

Coal chemical: Raw oil filtration, dust collector filter, etc. Shipping industry: Ballast water treatment
Aviation industry: Hydraulic oil filtration
Metallurgical equipments: Fluidizing plate/tank

TECHNICAL SPECIFICATIONS

Materials of Construction:
Stainless steel(310S，316L, 304), Copper Alloy, Inconel、Hastelloy，F(xiàn)eCrAlalloy, etc.

Weldless Dimensions:
Plate max W 1000×L 1200mm
Cartridges Diameter Ф3~100mm, Length ≤1000mm
Operating Performance:
Maximum working temperature: ≤900℃

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Sintered Metal Fiber Material and Filter Elements

Sintered Metal Fiber Material and Filter Elements are made of μm-level metal fibers with non-woven pavement through layering and high temperature sintering.

The fibers layered in metal fiber could form a 3D porous structure, providing high porosity and excellent permeability. The soft metal fiber could be pleated to significantly improve the effective filtration area in unit volume.

APPLICATIONS

Coal Chemical industry：Rectisol section
Chemical fiber and membrane industry：Filtration and the melted polymers cleaning Medicine, biological and beverage industries: Liquids clarification
General industry: Precision filtration of hydraulic and lubricating oils of machineries

TECHNICAL SPECIFICATIONS OF CARTRIDGES

Weldless Dimensions:

Diameterφ20-200mm, Length ≤1200mm

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Wedge Wire Screen and Filter Elements

Wedge Wire Screen/Johnson Screen and Filter Elements are made by winding the special wedge-shaped stainless wires (winding bars) on a group of longitudinal supporting rods (bar supporting rods) arranged in cycle through welding.

Obvious V-shaped openings will be formed in the gap between filtration pipes.

Features and Benefits

  • Horn hole structure,good back washing performance, and applicable in high viscosity and concentration conditions.
  • Poor pore uniformity, low porosity and small effective filtration area
  • Equivalent pore size: 15~300μm

TECHNICAL SPECIFICATIONS

Pore size 15-100μm
Weldless cartridge dimension φ20-100mm L≤2000mm

APPLICATIONS

- Widely used in petrochemical and oil refining plants, as the inner and outer baskets of the radial reactors of the catalytic reforming units. In addition, such screens are often used at the inlet distributors, scaling devices, the supporting grating of catalyst bedside, and outlet collectors. They are also used in the filtration baskets of centrifugal machines, vibrating screens and many other filtration pipes. It’ s specialized in wax oil, bitumen and other high viscosity oil filtration.
- Widely used in water treatment of electric well, natural gas well, well, chemical industry, mining, paper making, environmental protection, metallurgy, foodstuff, sand control and decorative light industry.

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Sintered High Flux Tubes for Heat Exchange

Sintered High Flux Tubes for Heat Exchange could significantly reduce designed heat exchanging area, reduce equipment volume and save project investment.

The feature of high flux heat exchange tubes is that powder is composed on the base metal of heat exchange tubes to change the status of boiling surface to form porosity between particles and form nucleate boiling center, so as to change the mem-brane-shaped boiling into nucleate boiling and significantly improve the boiling heat transfer coefficient.?

APPLICATIONS

Heat transfer of liquid-gas phase changing and boiling in the petrochemical, chemical and metallurgy industries, sea water desalination, natural gas storage and transport, air separation and refrigeration.

FEATURES AND BENEFITS

+ Double-side reinforced structure is used, such as outer longitudinal slots with inner porous or outer porous with inner slots
+ High critical heat load. The critical heat load of high flux heat exchange tube is about twice of that of ordinary tube
+ The boiling could be maintained at small temperature difference. With the same heat flow intensity, the effective temperature difference required by high flux heat exchange tubes is only 10% ~ 15% of that of ordinary smooth tubes
+ Excellent anti-blockage capacity and scaling resistance performance

TECHNICAL SPECIFICATIONS

Dimensions: Φ15~51mm; length: 1~15m
Porosity of the porous layer: 40% - 80%
Pore size of the porous layer: 30-70μm
Shear force of the porous layer: ≥150N/ mm
Total heat transfer coefficient: ≥3000 W/(m2.K)
Materials: carbon steel tubes, stainless steel tubes, copper and copper alloy tubes

To date, AEET’ s capable of manufacturing 400,000m/year high flux heat exchange tubes with excellent performance. At present, we are exploring markets and new applications and trying to provide our clients with more cost-effective products and better services.