Rieco Industries Limited
Rieco Industries Limited
Pune, Maharashtra
GST No. 27AAACR8217P1ZV
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Industrial Dust Collection Extraction System

Leading Manufacturer of industrial electrostatic percipitator (e.s.p), dust extraction systems, fume extraction system f.e.s (industrial bagfilter) and forced draught heat exchanger from Pune.

Industrial Electrostatic Percipitator (E.S.P)

Industrial Electrostatic Percipitator (E.S.P)
  • Industrial Electrostatic Percipitator (E.S.P)
  • Industrial Electrostatic Percipitator (E.S.P)
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Approx. Price: Rs 50 Lakh / PieceGet Latest Price

Product Details:

Minimum Order Quantity1 Piece
BrandRIECO
Product TypeINDUSTRIAL FILTRATION
Model Name/NumberE.S.P
MaterialMS
Usage/ApplicationINDUSTRIAL
SizeLarge
ColorGREY
DisposableNonDisposable
Country of OriginMade in India

Electrostatic precipitator (ESP) is a filtration device that removes fine particles, like dust and smoke, from a flowing gas by the force of an induced electrostatic charge minimally impeding the flow of gases through the unit. In contrast to wet scrubbers, which apply energy directly to the flowing fluid medium, an ESP applies energy only to the particulate matter being collected and therefore is very efficient in its consumption of energy.
Types of ESP:

1. Dry type Electrostatic Precipitator

Dry Electrostatic Precipitators (ESPs) can be used in many industries for various applications for cleaning of dust laden industrial gases. ESPs can handle any volume of gases and many types of dusts with high removal efficiencies. The continuous improvement in design & engineering of the ESPs reduce the operating costs by reducing the energy consumption, maintenance cost and lower downtime. The ESP components are well designed by using most advance technologies..

2. Wet Electrostatic Precipitator

Tar Precipitator also termed as Wet Electrostatic Precipitator. The Wet Electrostatic Precipitator compliments our product range with an extremely versatile de- dusting system that is perfect for any process in which special dust or gas characteristics make dry separation difficult or impossible.

The Wet ESPs are unbeatable since many years in view of operational safety, long life cycle and high collection efficiency. They are well suited for precipitation of finest dust with dust afflicted water drops of aerosols and emissions containing tar or oil. Another, positive effect is the additional bound of toxic elements (for example HCL, SO2, NaCL & HF)



WORKING PRINCIPLE

The dust laden gases are passed through the electrical field consisting of profiled collecting electrodes and discharge electrodes. The discharge electrodes are charged with negative high voltage and the collecting electrodes are earthed. The gas is equally distributed and made to pass through these gaps of electrodes across width and length.

The discharged electrodes emit electrons when charged with high negative voltage. These negative electrons accumulate on dust particles and thus dust particles are charged negatively. The charged dust particles are attracted towards the profiled collecting electrodes. When the dust particles touch the collecting electrodes, it loses its charge, but due to agglomeration, they still stick to the plate. These electrodes are cleaned with the use of robust tumbling hammer type rapping system. Independent rapping systems are used to clean the collecting as well as discharge electrodes.

Our ESPs are optimally designed, tailor-made to suit the customer operating conditions. The migration velocity is an extremely important parameter to decide the size of the ESP and helps to determine the efficiency. Apart from this, there are many parameters which affect the sizing of the ESP such as:

 

  • Electrical resistivity of the dust
  • Dust content at inlet & outlet of ESP/strong>
  • Chemical composition of dust & gas
  • Particle size of dust
  • Temperature of gas
  • Humidity in gas
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Additional Information:

  • Item Code: E.S.P1
  • Production Capacity: 1
  • Delivery Time: 12 WEEKS
  • Packaging Details: WOODEN BOX
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Dust Extraction Systems

Dust Extraction Systems
  • Dust Extraction Systems
  • Dust Extraction Systems
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Approx. Price: Rs 3.5 Lakh / UnitGet Latest Price

Product Details:

Minimum Order Quantity1 Unit
Usage/ApplicationINDUSTRIAL DUST EXTRACTION SYSTEM
Country of OriginMade in India
BrandRieco
GradeAutomatic
MaterialStainless Steel
Power SourceElectric


Construction of bag filter

Bag Filter is divided in three parts i.e. top part is called as Plenum (Clean air chamber), which is heart of the bag filter operation; middle one is called as Housing/casing (Dirty air chamber) and bottom part is called as Hopper. The plenum is separated from the housing by the bag plate/tube sheet where the filter bags and cages i.e. the filtering elements are supported. The Bag Filter unit is a continuous self- cleaning dust filter, capable of removing dust particles as small as submicron size from gaseous and dust streams.

Bag filter construction is simple and doesn’t have any moving parts. Pulsejet cleaning mechanism with the help of compressed air results into high dust cleaning efficiency.

Refer to the diagram above white plate shown is called as Baffle plate which avoids the direct impact of dusty gases on the bags causing majority of heavy particles to settle down in the hopper. Remaining fine particles travel in upward direction and further filtration is done through filter bags. After filtration clean gases pass through specially designed clean air chamber called as plenum.

 Working Principle for DE systems

Dust generating points inside the plants like belt conveyor transfer points, crusher venting, screen venting etc. is connected to the bag filter inlet by duct work.

For Dust Extraction system applications, the no. of points from where the air borne dust is getting generated are provided with suction hoods and manual or motorized dampers in ducting depending upon the application. The dampers are provided for balancing so that optimum suction is obtained at each suction point. These hoods are connected by small duct network to the main duct header which is finally connected to the bag filter.

 Operation

Dust laden air enters the Bag Filter at housing under suction or pressure. The air travels through the filter bags which retains the dust particles on the surface of the bag and the clean air passes through the filter bags to the plenum leading to the outlet of Bag Filter due to the suction effect created by centrifugal ID (induced draft) fan.

Dust collected on the outside of the filter bags causes an increase in the pressure differential between the dirty and clean air sides of the bag filter. To control the pressure differential across the bag filter, a sequential timer actuates a series of normally closed pulse valves at preset intervals causing them to open.

   

A momentary rush of high-pressure air (5-7 bar g) flows from the compressed air header to the blow tube and is expelled from the blow tube through venturies at high velocity (primary air flow). Air from each venturi induces a secondary airflow. The combined effect of the primary and induced secondary air causes an instantaneous pressure to rise on the clean side of the filter bags, causing a reverse flow of air through the filter bags, thus dislodging the dust.

With our experience and expertise, we have solutioned various critical applications. We have the ability to design systems complying to work zone and outlet emissions norms established by pollution control board or client requirement. Emission parameters are achieved by designing the suction hoods, duct network, velocities and pressure at different points based on ACGIH guidelines.

Apart from Bag Filters, electrostatic precipitators or scrubbers can also be used. Our sales and application experts recommend the type of pollution control equipment to be used based on the application requirement.

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Additional Information:

  • Production Capacity: 100
  • Delivery Time: 45 DAYS
  • Packaging Details: WOODEN BOX
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Fume Extraction System F.E.S (Industrial Bagfilter)

Fume Extraction System F.E.S (Industrial Bagfilter)
  • Fume Extraction System F.E.S (Industrial Bagfilter)
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Approx. Price: Rs 1.5 Lakh / UnitGet Latest Price

Product Details:

Minimum Order Quantity1 Unit
Surface FinishColor Coated
BrandRieco
Country of OriginMade in India
Minimum Particle Size0.5 micron
Efficiency99.95%
Filter Rate1.0 - 1.2 m / min

Typical Operation of Fume Extraction Systems - Ferro Alloy Furnace

The Furnace comes with Smoke Collection Hood of Low Hood Design, which prevent any fugitive gas emissions. The gas emissions emanating from the furnaces are collected by the smoke collection hoods and passed on to a smoke chimney / stack by natural draft. The smoke chimney has a butterfly valve just a little above the top of the smoke hood with the help of which, the gas emissions are directed to the Air Pollution Control equipment. These gases from the point of Butterfly valve are sucked by means of a powerful I.D. (Induced Draft) fan into the Pollution Control Equipment.

Sparks if any in gas stream are extinguished in ductwork, bends & in Heat Exchanger (Forced Draft Cooler) due to changes of direction. First, gases are passed through a tubular forced draft cooler where they get cooled by atmospheric air being blow over the tubes with the help of axial cooling fans. The much heavier particles in the gases get settled at the bottom of the cooler. The gas with the remaining heavier particles goes to a multi-chamber Bag Filter System after which the I.D. fan is installed. When the gas passes through the filter bags, the dust present in the gases is trapped by these bags and only clean gas comes out of the Bag Filter. This clean gas is then released through the stack to atmosphere.

Bag House Cleaning:

During this process, the bags in the multi-chamber bag filter house collect fume dust and need to be cleaned. The Bag house cleaning is "OFF LINE" (with one compartment isolated) and "ON - DEMAND" on the basis of pressure drop across the bag house. When the pressure drop exceeds the set point, Master controller shall close the Poppet damper at the outlet of the compartment and start cleaning the bags till the pressure drop reaches lower set point. Cleaning is done by compressed air pulses so that the dust accumulated on the bags surface gets shrugged off and gets collected into a collection hopper provided at the bottom of the bag filter housing. After reaching lower set point, cleaning shall stop and Poppet
damper shall open. This cleaning operation shall be done in a sequential fashion as and when pressure drop exceeds preset limits. This loop shall ensure optimum cleaning of the filter bags to improve bag life and reduce emission levels. Accordingly, one chamber after another gets cleaned in a pre-determined cycle.

Tapping Fumes Fan (Booster Fan):

We consider the tapping fumes fan for each furnace, as it works on positive as well as negative pressure, it sucks the fumes from tap hole and pushes it towards the bag filter.

Isolation of Complete System:

Further, system isolation damper with actuator is provided which will isolate the complete system and furnace stack dampers are opened for venting the gases. This provision is useful in the event flue gas temperature is excessively high even after dilution damper is open. Moreover, if it is desired for purpose of maintenance, entire Gas cleaning plant can be isolated by operating these 2 numbers actuated dampers provided at the take off point near furnace hood.

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  • Delivery Time: 5 WEEKS
  • Packaging Details: WOODEN BOX
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Forced Draught Heat Exchanger

Forced Draught Heat Exchanger
  • Forced Draught Heat Exchanger
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Approx. Price: Rs 50 Lakh / SetGet Latest Price

Product Details:

Minimum Order Quantity1 Set
Usage/ApplicationIndustrial
MaterialMild Steel
Country of OriginMade in India

Tubular air to air coolers is forced draught heat exchangers used for cooling hot dust laden gases hence also called as air to air heat exchangers. The hot gases are passed through a series of vertical tubes across which cooling air is blown. Some of the coarser dust particles are collected in the cooler hopper.

Operation:

Gases sucked from the source points enters in the cooler from the top inlet, then passes through a specially designed Tubular Forced Draft Cooler where they get cooled by atmospheric air being blown over the tubes with the help of an axial flow fan. The heavier particles in the gases get settled at the bottom of the cooler.

  • Easily adaptable for variable gas volumes and temperature
  • Modular construction (easy to build)
  • Automatic control of differential temperature to minimize power consumption
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Additional Information:

  • Delivery Time: 12 TO 14 WEEKS
  • Packaging Details: RIECO STANDARD PACKING
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DEEPENDER SINGH (SALES & PROPOSAL ENGINEER)
Rieco Industries Limited
1162/2, Shivaji Nagar
Pune - 411005, Maharashtra, India


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