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Home / Products / Baghouse / Blizzard bag filter BIG

The Blizzard Bag Filter BIG Pulse Jet Baghouse With Round Bags and Gas Entry Through a Damper Plate

Performance: 9000 — 235 000 cfm (15000 — 400 000 m³/h)
Dust cleaning efficiency of 99.9% depending on the dust load and temperature: All characteristics
Price: varies depending on the package
5-Year guarantee
Easy installation and operation
Over 10 years of service life
Eco Friendly
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High cleaning efficiency of up to 99,99% for dust at least 200 nm in size.
Efficiency depends on the quantity of dust, the temperature, and the humidity.
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Dust Collector Description

Blizzard bag filter BIG is a reliable, economical classic baghouse for filtering coarse, dry and fine, dispersed dust in the air. It is suitable for uninterrupted operation. It is equipped with automatic bag pulse regeneration by way of compressed air. Operation of the device is possible both inside the facility and outdoors. It is suitable for the majority of industrial sectors as well as for air purification in power plants.
High dust load of up to 120 ppm
Round type bags are installed in the filter suitable for operating under conditions of high contamination.
High operation air temperature of up to +536 ˚F
In the standard set, the filter works with air flows of up to +300 ˚F. By order, a filter can be manufactured with an operation temperature of up to +536 ˚F.

Round Bags: Efficient Cleaning.
A Ruffled Damper Plate is a Reduction on the Wear on Bags

Money saved on bag replacement
The dust settles directly into the hopper and reduces the wear on the bags.
Even gas flow distribution
This increases the service life of the filters and air cleaning improves, since the load on the bags is even and allows for operation savings.

Modular Design: Our Main Field of Expertise

Increase performance by adding an additional filtration module.
Bolt mounted SKD assembly is performed based on instructions, such as in furniture assembly. Without any welding or complex modulations.
Due to the modular design, delivering the filter requires no special transportation and takes less time.
Rapid performance modernization
Quick and easy installation
Quick, straightforward transportation

Improved Design Customized for the Client's Objectives

Powerful, efficient fans
Selection of the best performing fan from the perspective of performance, pressure, and power consumption.
Under pressure or discharge
The filter works both under pressure and under negative air pressure from the fan.
Straightforward servicing
The filter design is made in such a way as to keep the service time to a minimum. Service hatches and doors can be installed as well.
Suitable for low performance and doesn't take up much space.
Properly designed and tested at various industrial sites
The proper air passage speed via the filtered bags provides the basis for excellent air filtration and self-cleaning. That renders the filter economical and reliable.
Optional nontypical performance
Based on the client's desire, the design, size, and performance can be modified. There is a large range of additional options to choose from.

Fundamental Differences From Other Models

The gas enters through a damper plate. This allows the load on the filter elements to be reduced and the dirty air to be distributed evenly, which has a positive impact on the gas dynamics and air exchange.
The filters are packaged with round bags.
A hopper can be installed under every module or one single large one, the destination of all the modules’ unloading.
They have high air efficiency and can work with a large-sized dust concentration.

Areas of Use

The filter is suitable for the majority of industrial fields and production sites.
  • Food industry
  • Chemical industry
  • Metallurgical industry
  • Wood-processing industry
  • Oil and gas industry
  • Mineral extraction
  • Flour mills
  • Cement plants
  • Asphalt and concrete plants
  • Plastic and glass item production factories
  • PWM and plaster production
  • Production sites equipped with various types of ovens

How It Works

How does a Blizzard Bag Filter BIG work
Contaminated air enters into the Blizzard bag filter BIG via an air pipe (or gas pipe) into the dirty chamber. After that, the dust particles settle on the bags while the cleaned air passes through the round bags and enters into the clean chamber. The cleaned air exits out the filter and goes outside with the help of a fan or goes back into the facility.


The performance specification depends on the package elements. We create each project customized for the client bases on a detailed questionnaire on their industrial site and the nature of the dust.

A baghouse can be implemented in nontypical form depending on the client’s technical task.


Basic package per module

According to the technical task of the client, there may also be more modules.
Coated steel frame
Compressed air receivers
Diaphragm valves for filter bag cleaning
Vertically arranged round filter bags on a wire metal cage
Conical hopper for unloading dust
Maintenance door at the top of the filter for installing and uninstalling filter elements
Rotation valve for controlling the dust level in the hopper
Damper plate at the dirty air entrance for preliminary dust separation

Filter control cover
Filter data sheet, operation instructions, and installation instructions
Easily removable filter inspection hatch
Sectional manually operated louver
Coating of the entire filter on both sides
RAL 5003
Filter bag
Filter element
removal from the top
Contaminated gas entry (typically from the side)
Contaminated gas exit (typically from the side)
Grounding the filter

Additional package

We always compromise with the client and are willing to add the necessary functions range as well as other characteristics and parameters to the standard package.
  • The explosion-safe version, the establishment of explosion-resistant membranes (excess pressure membranes), using filter elements with anti-static fibers and threads, additional grounding systems, IP 64 electricity, etc.
  • Fire extinguishing system
  • Explosion-proof membrane on the body of the filter.
  • Pneumatic dust or vibro hopper discharge
  • Chemical-resistant coating
  • Hopper thermal insulation (conical dust collector)
  • Filter body thermal insulation
  • Thermal insulation and heating of the regeneration system
  • Hopper heating (conical dust collector)
  • Heating of the filter and separate parts of it, bringing the heating to the valves
  • Smooth launch device (frequency transformer) for the fan, worm, and flood hatch.
  • Special control board built based on a relay with a control module, connection, and management. The control board, based on your order, will provide: data collection from the dust transmitters, the differential pressure, and the equipment condition (fan, worm, and feed).
  • Notification of the condition of the operation, accidents, and technological halts.
  • Emergency halts
  • Switching off the installation when the fire alarm is triggered.
  • The differential manometer of the differential between the “clean” and “dirty” areas.
  • Replacement of impulsive draft filters with a filter containing bags drafting in reverse to be used in locations where there is no ability to operate a compressor.
  • Filter cartridges in the event of certain small types of dust, high temperature (over 400 ˚F), stickiness, wetness, and others.
  • The filter body can be composed of various types of steel.
  • Oil-water separator
  • Fans of various types: high-pressure, medium-pressure, dust, corrosion, among others.
  • Various types of values: reverse, flame trap, and bypass valves.
  • Various colors of RAL paint.
  • Worm conveyor
  • A box for unloading dust under the hopper.
  • Flood hatch for unloading the hopper.

Modifications, Size, and Drawings

A modification is a variation of a filter with a different number of modules. Adding modules entails a change in general performance, filtered air volume, size, and other specifications.

The Blizzard Bag Filter New consists of one or multiple modules.

The recommended performance rate of a single module is no more than 10600 cfm and it is recommended to install additional modules to boost the performance of a baghouse (for instance in the drawing below).

A filter can be designed with nontypical size, depending on the client’s technical task.

Single Module Dimensions

Baghouse Design and Diagram

Gas movement scheme inside and outside of the filter
  1. Dirty air enters into the dirty chamber via the gas entry flange and hits the damper plate When it hits, the gas disperses to the sides while the highly charged, heavy particles reflect off the damper plate and immediately settle into the bunker.
  2. Then the gas goes through the dirty chamber where the filter bags are. Since the damper plate has grooves on its surfaces, all of the bags become properly loaded during the work process and the bags’ wear is evenly distributed. This increases the level of air cleaning and the dust concentration that the filter can work with as well as extending the service life of the filter elements.
  3. Air with fine dust flows along the bags while the dust settles on the outside of the bag and the clean air exits outside.
  4. After that, the air continues into the clean air chamber and exits out the filter.
There are hatches on top for changing out the filter elements necessary to replace, diagnose, and repair them.
An additional diagnostic hatch is located at the end of the filter.

Round Filter Bags

Round bags made of nonwoven materials come in the Blizzard bag filter BIG delivery package, imposed onto a metal frame.
The round filter elements withstand a large-sized dust load of up to 120 ppm, in some cases up to 150 ppm.
The bags can be manufactured out of the following materials:
  • Polyester;
  • Met-Aramid;
  • PPS;
  • Material with an anti-static effect.
The material for filter bags is selected on a case-by-case basis, in accordance with the technical task.

Contaminated Air Entry: the Damper Plate

Our filter design saves our clients money by their not having to replace the bags. Installed in front of the bags is a grooved rust chamber to get the dust to settle directly down into the hopper and reduce the wear on the bags.

The grooves help for a more even distribution of gas flow along all the filter elements. This increases the filter’s service life and improves air cleaning, since the load on the bags is even and helps save on operation costs.

The Dust Hopper and Unloading It

In the standard package, Blizzard has a conical accumulator hopper for dust and a round gate with a manual gear for opening and closing or a box on wheels.

Additional hopper package elements
  • A vibrator or a vibration device to prevent dust from sticking on the walls of the hopper.
  • Level transmitter.
  • Hoppers and supports according to the demands of your production site. For instance, for our client, we tailored the hopper for big bag unloading at a wood processing enterprise.
  • The hopper under the bag with a worm for uninterrupted unloading of the hopper from dust with a gate. Thus, the filter won't have to be stopped to unload the accumulated dust.
  • There is a hopper device for every module and a single big one can also optionally be designed as a destination for the unloading of all the modules.
A classic cone-shaped bunker
An extended worm bunker.
Worm bunker, sectional type
A classic conical hopper
An extended hopper with worm.
Hopper with worm, sectional type

Unloading the Captured Product

Methods for the client to choose from for organizing unloading

  • The basic package involves the use of a manual method. A manual flow gate is used, and after it is manually opened, dust unloads out of a dust reservoir into a container or, other times, the container (box) the dust falls into can be connected to the filter without a flow gate.
  • The automated method: a flood gate or a double flap is used for unloading, often together with a worm transporter.
The main difference arises when it comes to manual labor needing to be exerted to unload the captured product. The automated method can be tied into a production chain and, for instance, the product can be returned back onto a conveyor belt.
A hand dust latch
Automatic “flood gate” (feed)
Mechanical “double flap”
A hand dust latch
Automatic “flood gate” (feed)
Mechanical “double flap”

Managing the Baghouse

Smart control automation guarantees uninterrupted operation

Control of the filter is performed using a controller or a remote-control device. This system operates in a closed cycle, but it can be reconfigured depending on the client's needs.
We propose packaging the filter along with a system entailing completely automatic control, analysis, and fire extinguishing. A time controller is installed in the standard package and a Siemens controller can also be part of the package, depending on your needs.

Pneumatic Cleaning System

Periodically filtered bags get covered with dirt, which increases the filter’s resistance. In order for the system to work in an uninterrupted fashion without any pressure differentials, the bags need to be cleaned. Cleaning is done in the following way:
  1. On top, there are air pipes in the clean air chamber which start from the air system's diaphragm valves. These valves are installed for the receivers where the compressed air is kept, which is used for pulse jet.
  2. The air is submitted from the compressor to these receivers. Periodically, the valve begins operation and the air is submitted to the air pipe via the valve and then out of the air pipe with the help of the nozzles and is distributed inside the filter bag.
  3. The filtered bag is shaken and aired out while the dust falls down into the hopper accumulator from the filter bag.
  4. The dust can be extracted from the hopper accumulator in three different ways, depending on the technical task envisaged: the manual dust latch, a mechanical “double flap”, and an automatic “flood hatch”. The standard version has a manual dust latch included.

Pulse Jet Cleaning System Package:

Compressed air receiver package
It is the receiver that accumulates air for the pulse jet. If there isn't enough air, the degree of cleaning will fall, the wear on the filters will increase, and the filter’s performance will fall, since the aerodynamic pressure of the filter will increase. The receiver has a flanged socket for connecting to the compressor or the general factory compressed air pathway, as well as a moisture drain valve. If “Blizzard” isn't installed in a heated facility, we recommend installing an oil and water separation, thermal, and air heating system.

Air pipe system
These are either metallic or plastic. Everything depends on the gas and temperature that the Blizzard Bag Filter BIG filter is cleaning. Nozzles are installed on the air pipes for more efficient cleaning of the filter element.
Air valves
All our valves are certified. Our valves are specialized for filter equipment air cleaning systems.

Controlling the regeneration system is implemented with the help of a special controller that configures the impulse quantity and the frequency of them.

Differential manometer (by order)
Then bag cleaning can not only originate based on time but also in terms of the degree of the bags’ “contamination”. When the bags fall, the pressure in the filter changes and the manometer submits a signal to implement the draft. The differential manometer will also show an accident if one or more of the bags is ruined.

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+1 (918) 406-5684
+1 (918) 406-5684