Recyclone® MH

ACS holds a patent of a recirculation system to increase the efficiency of cyclones. A mechanical ReCyclone® (ReCyclone® MH) is made up of a high efficiency Hurricane and a particle separator, placed downstream, called the “mechanical recirculator” (please see figure).

In 2016, ACS introduced more compact recirculators that can be placed on top of cyclones, exempting the need of additional footprint.

The main purpose of the recirculators is to reintroduce the uncaptured particles into the cyclones after they have been driven to the outer walls of the recirculators by centrifugal forces. While this gas is enriched in particles, the axial gas stream exhaust to the stack is clean of particles. Recirculation is achieved through an additional fan.
Since the recirculation system only serves the purpose of dust separation (and not collection), the particles are exclusively collected in the cyclones and the need of rapping mechanisms is avoided. Systems are arranged in groups of cyclones and recirculators. 

Efficiency increase 
Efficiency increases due to recirculation and agglomeration of very small particles with larger ones coming directly from the process. A ReCyclone® MH decreases emissions of Hurricane cyclones alone by 30 to 60%. Finally recirculation control has the benefit of handling variable process flow rates very well.
 

A ReCyclone® MH is the most efficient purely mechanical collector in the market, as it further enhances efficiency of any given cyclone geometry.

Corkart Lda.

ReCyclone® MH for fly ash PM emission control of a grate type biomass boiler, placed after existing multicyclone/cyclone pre-separator.
 
Gas flow: 15 000m3/h at 220°C | Type of Particles: Cork waste fly ashes | Emissions: <150mg/Nm3 at 11% O2

Laminar, S.A.

Mechanical ReCyclone® MH system for PM emission control in a 27,000m3/h @ 200ºC wood waste boiler.
This equipment is composed by 18 hurricane cyclones and 12 mechanical recirculators.

It was installed to replace a multicyclone deduster, which was above the legal emissions limit (150mg/Nm3 @ 11% O2).
Emissions: < 100mg/Nm3 @ 11% O2

Basuki

ReCyclone® MH type cyclone system for reducing particulate matter from a Coal Bubbling Fluidized Bed (BFB) boiler flue gases.
 
Gas flow: 6 972m3/h at 230°C | Type of Particles: Coal fly ashes | Emissions: <100mg/Nm3
Client: Basuki | Location: Bali, Indonesia | Year: 2012

Basuki

ReCyclone® MH to reduce PM emission from a Coal Bubbling Fluidized Bed (BFB) 6 Million Kilocalories Per Hour Heater.
 
Gas flow: 42 638m3/h at 330°C | Type of Particles: Coal fly ashes | Emissions: <150mg/Nm3
Client: Basuki | Location: Batam Island, Indonesia | Year: 2013

Basuki

ReCyclone® MH for fly ash PM emission control of a 15ton/h coal BFB thermal oil heater, placed after multicyclone/cyclone pre-separator.
 
Gas flow: 34 000m3/h at 230°C | Type of Particles: Coal fly ashes | Emissions: <150mg/Nm3
Client: Basuki | Location: Cikarang – West Java, Indonesia | Year: 2013

Quimigal S.A.

ReCyclone® MH system for chemical powder recovery (sulfanilic acid) In a fluidized bed dryer. It was installed to replace a pulse jet bag filter in order to increase powder recovery

Gas Flow: 14.000m3/h at 70˚C | Efficiency: 99.5-99.6 % | Emissions: 40-80 mg/Nm3
Client: Quimigal S.A. | Location: Estarreja, Portugal | Year: 2001

Plateau ASP

Gas flow: 50 400m3/h at 40°C | Type of Particles: Animal fertilizer dust | Emissions: <40mg/Nm3
Client: Plateau ASP | Location: Ferrol, Spain | Year: 2010

Kulim / Pasir Panjang

Recyclone® MH_HR to reduce particulate matter from a biomass boiler burning a mixture of palm kernel shell and mesocarp fiber.
 
Gas flow: 122 328m3/h at 270°C | Type of Particles: Biomass fly ashes | Emissions: <150mg/Nm3

Combio Energias Renovaveis

ReCyclone® MH optimized to reduce particles emission from a biomass boiler burning wood chips.
 
Gas flow: 101 206m3/h at 160°C | Type of Particles: Biomass fly ashes | Emissions: <100mg/Nm3dry
Client: Combio Energias Renovaveis | Location: Minas Gerais, Brasil | Year: 2017

L. Solé / Salmofood

ReCyclone® MH for PM emission control of a grate type biomass boiler (6MWth), placed after multicyclone/cyclone pre-separator.
 
Gas flow: 30 000m3/h at 280°C | Type of Particles: Crushed pallets and bush residues | Emissions: <100mg/Nm3

Sonae Arauco

ReCyclone® MH for PM emission control of two grate type biomass boilers, placed after multicyclone/
cyclone pre-separator.
 
Gas flow: 90 000m3/h | Type of Particles: Wood waste and wood chips fly ashes | Emissions: <100mg/Nm3
Client: Sonae Novobord | Location: Nelspruit, South Africa | Year: 2012

MPOB - Sindora Palm Oil Mill

Recyclone® MH_HR to reduce particulate matter from a biomass boiler burning a mixture of mesocarp fiber and palm kernel shell.
 
Gas flow: 120 000m3/h at 260°C | Type of Particles: Biomass fly ashes | Emissions: <150mg/Nm3

LKPP Corporation Sdn. Bhd

ReCylone® MH­_HR to reduce particulate matter from a biomass boiler burning a mixture of mesocarp fiber and palm kernel shell.
 
Gas flow: 183 600m3/h at 320°C | Type of Particles: Biomass fly ashes | Emissions: <100mg/Nm3dry

Tradewinds

Recyclone® MH cyclone system to reduce particulate matter from a biomass boiler burning a mixture of mesocarp fiber and palm kernel shell.
 
Gas flow: 137 620m3/h at 320°C | Type of Particles: Biomass fly ashes | Emissions: <150mg/Nm3

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