MIST SEPARATOR

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It is mostly used for separating and collecting waterdrops from process gases and mist from smoke desulfurization systems. Hundreds of mist separators have been supplied to Japan. In the separator, a special separation element, namely, lamellar, is installed.
The dust-collection container for separated liquid (negative pressure zone), which is installed on the lamellar, gets to have negative pressure while working so the separated liquid is not inhaled into the dust-collection container or doesn’t scatter again so high separation efficiency is obtained.
1. Principle & Structure
This system is composed of a lamellar element, a casing, a tank for the collected liquid, and a syphone so it is possible to attach a gas inlet and outlet in the middle of the duct through a flanger. The below figure shows the cross section of the lamellar. The lamellar element is a kind of an obstructive plate and it is arranged at 45℃ against the direction of gas flow. Gases pass through the amellar while electricity flows, and the collection tank installed at the edge of the lamellar becomes to have negative pressure. On the other hand, the mist contained in gases collides with the lamellar because of the centrifugal force which is generated between inertia and gas current, and becomes attached to it. And it flows on the surface of the lamella and is inhaled into the collection container. The liquid collected in the container flows down to the tank for the collected liquid due to gravity, which goes through syphone and is continuously discharged out.

The collection container of the lamellar becomes to have negative pressure so there is no re-scattering of the separated liquid. And lamellar is installed according to the characteristics of gases and mist so the separation efficiency is very high.
2. Features
1. High separation
   efficiency
It becomes different, depending on the particle diameter of mist, content, specific gravity, and viscosity, but separation efficiency is over 99.8%.
2. No stoppage It is a current inertia-type mist separator so it is not blocked even by dust-containing gases.
In addition, for the mist containing very viscous dust, a cleaning system can be installed.
3. Low pressure drop Lamellar element has small resistance so even though gas velocity is high, pressure drop can be treated low.
4. High gas velocity Normal velocity is 5~7m/sec.
5. Small installation
   area
Velocity is maintained high so the filtering area of lamellar elements is small against velocity so lamellar separator takes a small area.
6. Low installation cost
   for large gas quantity
Velocity is high so the system is very compact and the installation cost is low.
7. Easy repair Like a wire mesh or a ceramic filter, there are no stoppage and driving part so it is easy to repair. No manipulation is necessary during operation.
8. Heat and corrosion-
   resistant
Element can be made of any of stainless steel and plastics, and it is possible to select a material suitable for the gas conditions.
3. Element Classification
Type 20V 30V 40V
Item
Eliment Pitch 25mm 25mm 25mm~35mm
Optimal Air Velocity 4~6m/sec 4~6m/sec 4~6m/sec
Pressure drop under the optimal air velocity 20mm Aq 40mm Aq 40mm Aq
MIST Conditions Thin Mist H2O Thin Mist H2SO4 Cro3, etc. ALKALINE MIST
Materials PP, FRP, PVC, SUS
Remark Lamellar Mist Separator is customized to meet your requirements using the above elements.
4. Applications

This system is used for separating the below materials.
Sulfuric acid, Nitric acid, Hydrochloric acid, Maleic anhydride

5. Place of Use

This system is used for the separation of such materials as sulfuric acid, nitric acid, hydrochloric acid, maleic anhydride acid, maleic phthalate acid, magnetic soda, tar mist, synthetic detergent, fatty acid, mist in high pressure gas, and other bubbles. It is also used for condensation, cleaning, absorption, and reaction. However, through the pre-treatment in a cleaning liquid, this system can separate dust, slurry, and a gas absorbing liquid.

mist separator
6. Equipment Size
<Model Specification>
Type   DUCT Gas    

Height

Type ㎥/min ΦD □A L L1 L2 W H H1 H2
DSB 30-30V 30 250 300 1350 700 650 450 750 500 250
DSB 30-40V 40 300 350 1350 700 650 500 800 550 250
DSB 30-50V 50 300 400 1400 750 650 550 900 600 300
DSB 30-60V 60 350 450 1400 750 650 600 1000 700 300
DSB 30-80V 80 400 500 1450 800 650 700 1050 700 350
DSB 30-100V 100 450 550 1450 800 650 750 1100 750 350
DSB 30-120V 120 500 600 1450 800 650 800 1150 750 400
DSB 30-160V 160 600 700 1450 800 650 900 1250 800 450
DSB 30-210V 210 650 800 1450 800 650 1000 1350 850 500
DSB 30-270V 270 700 900 1450 800 650 1100 1450 900 550
DSB 30-330V 330 750 1000 1600 900 700 1200 1550 950 600
DSB 30-400V 400 800 1100 1600 900 700 1300 1700 1000 700
DSB 30-480V 480 850 1200 1600 900 700 1400 1800 1050 750
DSB 30-560V 560 900 1300 1800 1000 800 1500 1900 1100 800
DSB 30-650V 650 1000 1400 1800 1000 800 1600 2000 1150 850
DSB 30-750V 750 1100 1500 1800 1000 800 1700 2100 1200 900
DSB 30-850V 850 1100 1600 1800 1000 800 1900 2200 1250 950
DSB 30-1000V 1000 1200 1700 1000 1000 800 2000 2300 1300 1000
DSB 30-1100V 1100 1300 1800 2000 1100 900 2100 2450 1400 1050
DSB 30-1200V 1200 1400 1900 2000 1100 900 2200 2600 1500 1100
DSB 30-1400V 1400 150 2000 2000 1100 900 2300 2750 1600 1150
7. Material Selection
Following materials may be chosen for LAMELLAR MIST SEPARATOR.
1. Element Relation : SUS304, 316, 316L, 329J I, HASTELLOY
: HT-PVC, FRP, PP
2. Housing Relation : SS, SUS, Hastelloy
: PVC, PP, FRP, FRV, FRP+PVC
: PVC LINING, FRP LINING, 프레크 RUBBER LINING
3. NOZZLE Pipe Relation NOZZALE : PVC, PP, SUS304, 316, CERAMIC
Pipe : PVC, SUS, SGP, PVC+FRP
 
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