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The Fiber Bed Mist Eliminator has proven to be ideal for sulfuric, nitric, and thermal phosphoric acid plants; chlorine and other chemical plants; pulp and paper plants; textile plants; asphalt saturation towers; food processing; forming. Applications containing fluoride, high pH or steam can use special carbon fibers.
Structurally the mist eliminators consist of two coaxial cylindrical meshes welded to bottom and inlet flange branch. Frame material: stainless steel AISI 316L. The area between meshes is filled with fiber, the element bottom is equipped with a tube merged into water seal barrel out of which the trapped liquid flows to the unit case. Mist eliminators are attached to the base plate of the column through P.T.F.E. laying with the help of pins and nuts. From 1 to 50-70 elements may be arranged within one apparatus case depending on the unit performance capability. In existing sulfuric acid plants such elements are often installed in a separate case, and in new shops – in upper part of absorbers (with performance capability of up to 170 thousand м3/ч).
- low-velocity (ʊ ≤ 0,2 m/sec), equipped with fibers 5-20 mcm in diameter and intended for trapping of submicron particles with the help of Browning diffusion and catching effect; their efficiency increases as the filtration velocity, particles size and fiber diameter decrease;
- high-velocity (ʊ ≤ 0,5 + 1,2 m/sec) with the layer of coarse fibers 20-100 mcm in diameter that are used for separation of gas from particles 1 mcm and larger using the mechanism of inertial precipitation the efficiency of which increases with the increase of particles size and filtration velocity up to a specific (critical) point (usually 1-2.5 m/sec) at which the secondary carryover of trapped liquid drops takes place.
Name | Conditional name | |||
Low-speed high-efficiency | High-performance | High Speed | Mist eliminator | |
Speed of filtration, m/s | 0,05 - 0,2 | 1,1 - 1,3 | 2 - 2,5 | 2,5 |
Cleaning efficiency of particle,%: dc = 3 mcm dc = 1 ÷ 3 mcm dc ≤ 1 mcm | 100 | 100 | 100 | 100 |
Resistance, kPa | 1 - 5,0 | 2 - 2,5 | 1,5 - 2,0 | 0,25 - 0,5 |
Form of elements | Cylinder | Cylinder | Rectangular | Rectangular |
Dimensions, mm: diameter (width) height | 216; 450; 605; | 650 | 470 | 470 |
Thickness, mm | 50 - 60 | 50 - 60 | 25 - 30 | 25 - 30 |
Fiber diameter, mcm | 6 - 15 | 18 - 20 | 10 - 30 | 30 - 80 |
Fiber bed mist eliminators can be used in a variety of applications including cold heading machines, EDM machines, hot forging, and parts washers. The unit exceeds OSHA standards and is able to comply even as OSHA updates standards.
Particles of 3 microns or larger are collected when their moment
(kinetic energy) prevents them from following the gas streamlines
around a fiber. The moment the particle causes it to remain on its
path reaching the fiber where it is captured.
Since momentum is a function of the particle's mass and velocity,
it follows that large drops will be collected more efficiently than
small drops traveling at the same speed. This type of mechanism is
extremely dependent on the particle inertia and the viscosity of
the gas.
Some particles follow the path
of the gas, but due to their diameter, they end up“touching" the fibers of the bed, where they are collected.
Mechanisms are little dependent on inertia, particle, and gas viscosity.
Sub-chromic particles are collected when their moment (kinetic
energy) prevents them from following the gas streamlines around a
fiber.
The moment of the particle causes it to remain on its path reaching
the fiber where it is captured.
Since momentum is a function of the particle's mass and velocity,
it follows that large drops will be collected more efficiently than
small
drops traveling at the same speed. This type of mechanism is
extremely dependent on the particle inertia and the viscosity of
the gas.
Anping County Hardware Mesh Products Co., Ltd. is located in Anping
County, Hebei Province, known as the "Hometown of Chinese Wire
Mesh". The company is a dedicated manufacturer of wire mesh
demisters. The company has more than 90 sets of knitted mesh
equipment.The wire mesh demister is the main product of our
company. Most of our employees are operation, maintenance, and
installation personnel with practical experience, who can provide
customers with the required engineering consultation and
installation of tank filtration. solution.Nearly 20 years of
experience in the production of mist eliminator mats, knitted wire
mesh, and other packaging materials.
We have ISO9001 certification and a strict quality control system
in the QC department of the enterprise.
We claim that all mist eliminator pads our customers receive are
qualified and perform perfectly. We have different specifications.
The filtration fineness can reach 3μm~5μm. In addition to standard
and popular sizes, we can also customize specific applications
according to customer needs.
During the company's development, through continuous on-the-spot
inspections, personal exchanges and cooperation with customers, and
comprehensive discounts and technical support, we have won strong
customer support and praise.
The company's performance has maintained an annual output value
growth rate of 30-40. Our employees pursue the policy of
"enterprising, truth-seeking, rigorous and united", continue to
develop and innovate, take technology as the core, and
wholeheartedly provide you with cost-effective products,
high-quality engineering design, and services.