Veeraja Industries Pune, Maharashtra

After preset level of vacuum is reached, it is broken temporarily by opening actuated by-pass valve. Part of dirt-laden filter paper is pulled out to be replaced by fresh filter paper. Dirt is dumped in a bin while dirty filter paper is wound on a shaft. A perforated top vacuum chamber is placed at the bottom of dirty coolant tank. Machine outlet lets dirty coolant in this tank. A pump sucks coolant through filter paper laid on top of vacuum chamber, leaving dirt on filter paper. Pump suction generates vacuum increasing dirt layer thickness & hence finer filtration.

Fluid with chips drops in cavity outside a mesh drum. It moves in the drum trough fine mesh, by gravity, leaving the chips on the mesh. A scraper conveyer, wrapping the mesh drum & scraping the outside cavity, carries the chips to a bin. On the way the fluid drips back to the tank. The conveyer movement also rotates the mesh drum. Clean fluid inside the drum is siphoned out to a clean fluid tank. From this it is pumped to the machine. Part of the pressurized fluid from pump is used to backwash the mesh drum. Application : Aluminum chip handling, washing fluid filtration, etc. This can be used on an individual machine or as a centralized plant. Features : • Seal is away from sedimented chips. No possibilities of seal getting damaged by chips. • Seal is of lesser diameter than conventional filter drum. It is possible to machine this seal & maintain correct dimensions. Seal is flushed with clean fluid. This means the seal is more reliable to arrest fine particles. • It is possible to pull the mesh-drum out of the system for maintenance

Self Cleaning filter holds multiple elements ( based on flow capacity ) housed in a pressure vessel. The dirty fluid enters from the bottom into the inner side of these elements. The dirt starts accumulating on the inner surface. This accumulated dirt increases the differential pressure, which is sensed by a pressure switch. On reaching a set differential pressure an dedicated panel start the backwash cycle. A rotating arm, placed under the elements, connects the element opening to atmospheric pressure. As the complete housing is operating at a higher pressure, the fluid starts a reverse flow from outside to inside for that particular housing. This flow dislodges the accumulated dirt on the inner surface and that particular element is backwashed. After a set time delay the backwash arm rotates to the next element. This countinues until all elements are backwashed. Various elements of filtration level upto 150 micron are available. Number of elements in the housing are decided on the process, flow and dirt load.    Features : • Completely automatic • Robust design Application : • Roll coolant filtration system • Cooling tower water filtration • Water filtration system for Boiler feed • Food processing etc.

Scraper Conveyer is a simplest device to handle course dirt in bulk. It can be designed in several forms: inserted in a machine tunnel or placed at the bottom of dirty fluid holding tank. It also can be used in combination with a verity of filtration / separation devices. Wipers are attached to a moving chain placed in trough (tank) holding dirty cutting fluid. Sedimented course dirt is moved along with the wipers in a bin placed at one end of trough. The sketch shows two basic types of conveyers. Type a is normally used in machine tools, in combination with a magnetic separator (optional) to handle finer magnetic dirt. Type B shows a scraper conveyer placed at dirty fluid holding tank, in combination with Up-flow drum filters (optional) to handle large quantity of non-magnetic dirt.   

Roll coolant filtration system or roll coolant system • Vertical candle magnetic separator • Horizontal candle magnetic separator • Agitator • Self cleaning filter • Electric heating system • Steam heating system • Pump skid with pressure and temperature control • Skimmer With multiple installations for 4 HI , 20 HI , Twin mill , and tandem mill we also provide Galvanizing line systems and Thin gauge rolling True to our motto DISCUSS DESIGN DELIVER we provide complete solution from your mill pan upto your nozzle header.

Vacuum filter body is placed at elevated height on clean fluid tank. Sealed cavity under filter paper is extended till low fluid level in the tank. A blower evacuates this cavity continuously. A conveyer belt in the vacuum filter supports filter paper. A transfer pump lets dirty fluid above the filter paper. Vacuum under the filter paper sucks the fluid through, letting the dirt remain on top. Dirt layer formed on the filter paper facilitates finer filtration. After the filter paper is choked, level rise above it is sensed by a float switch, starting conveyer drive. Applications : Suitable for fine filtration of coolants used in rolling & wire drawing. Features: • Fine filtration is achieved using lesser filter paper. This gives better quality at lesser operational cost. • Totally automatic operation.

Very compact. Magnetic separator & band filter combination is accommodated within • 150 mm above the tank top, reducing the floor area for same volume of tank. • Band filter unit is mounted on rollers for ease of shifting during tank cleaning. • Common drive for magnetic separator & paper band filter, makes it economic. • No electrical panel hence reduced cost & maintenance. • Dirty filter paper is wound on a mandrel for easy disposal while the dirt collected is stored in a bin.

Dirty fluid with “filter aid powder” is fed under pressure at the filter inlet so that the filter aid powder forms a uniform layer on the filter discs in the filter shell. During this operation the filter outlet fluid is diverted back to dirty fluid tank. This operation is called “pre-coating”. It is performed every-time after the filter is cleaned & put to use again. After pre-coating the filter is put to use by letting the filter outlet to clean fluid tank.  Generally separate pump handles the clean fluid to the machine. To increase the time before the filter is serviced, a small amount of filter aid powder is fed periodically at the dirty pump suction point. This operation is called “body feeding”. The filter shows excellent filtration clarity to generate very high finish on the components. After the filter is choked, (usually at pressure drop of 1.5 bar.) the filter housing is drained, purged with compressed air & then opened. The discs are dismantled & cleaned manually using compressed air. Applications : Super-finishing, finish grinding, honing etc. Commonly used for individual machines.  

A “Magnetic Screw Conveyor” is essentially a magnetic assembly rotating inside a non-magnetic hollow screw. The magnetic chips are collected on the outer surface of the screw and rotate with the rotation of magnetic assembly. Helix shape of the stationary screw, make the chips move towards bin. Applications : Suitable to handle broken magnetic chips. Most conveniently used on Milling, Broaching, Hobbing, Gun-drilling, Drilling etc. Features : • Practically no rubbing action. Hence low maintenance. • Chips do not come in contact with moving parts. Hence no jamming possibility. • Operates even vertically. This saves space. • Chip movement & coolant drip-back path are different. This reduces coolant carry-over. • Economic & cost effective.

We manufacture filters for washing machine. These filters are specially designed as per the technical details provided by the client as well as the industrial requirements. All these filters are rugged in construction and robust in performance. They can withstand the excessive wear and tear and are also cost effective. Used across several industries they are premium in quality and widely demanded.

A funnel sucking floating scum from coolant level is attached to SS floats. A 4-bar mechanism maintains this funnel in horizontal plane even with changing coolant level. Pump sucks floating scum & passes it through a hydrocyclone segregating scum from coolant. Coolant drains back to tank through under-flow port while scum is collected in a bin placed on tank. Scum is manually drained from the bin. Features : • Handles very large quantity of floating scum from large coolant systems. • Automatically adjusts to level variations in the tank. • Pump is placed at ground level near tank requires no priming • A 4-bar mechanism automatically maintains level of the floating suction in line with the coolant level. • Hydrocyclone segregates floating scum from coolant by density difference. • Emulsifiable oil is re-mixed with the coolant while pumping, avoiding its wastage. • Scum can be drained separately for easy handling.

A perforated top vacuum chamber is placed at the bottom of dirty coolant tank. Machine outlet lets dirty coolant in this tank. A pump sucks coolant through filter paper laid on top of vacuum chamber, leaving dirt on filter paper. Pump suction generates vacuum increasing dirt layer thickness & hence finer filtration.  After preset level of vacuum is reached, it is broken temporarily by opening actuated by-pass valve. Part of dirt-laden filter paper is pulled out to be replaced by fresh filter paper. Dirt is dumped in a bin while dirty filter paper is wound on a shaft.  Applications : Suitable for fine filtration of coolants used in grinding, honing, gun drilling & component washing applications.   Features : Better filtration is achieved using lesser filter paper. This gives better quality at lesser operational cost. Can handle more viscous fluids. Totally automatic operation. Can be built as individual machine unit or centralized plant.

Dirty fluid is fed under pressure in to inlet manifold. It is distributed equally in 4 different plates. Filter papers clamped & supported between plates separate the dirt & form a layer (cake). This effects finer filtration. The same filter with pre-coating can add further to fineness of filtration. Applications : Suitable as centralized fine coolant filtration for finish grinding, filtration of high viscosity grinding fluids & filtration of honing oil with pre-coat arrangement. Features : • Very large filtration area is accommodated relatively small dimensions. The unit shown is having 10 m2 filtration area. • Totally automatic pneumatically actuated operation. • Dirt is purged with compressed air to recover fluid. • Low initial & operational costs.

Fluid with dirt is exposed to finned magnetic separator first. After magnetic separation the fluid drops in paper band filter trough. A float-actuated clutch derives motion from a common drive & indexes dirty filter paper.  Applications : Suitable for fine coolant filtration for honing, grinding, lapping, gun drilling etc., for small individual machines. Features : • Very compact. Magnetic separator & band filter combination is accommodated within • 150 mm above the tank top, reducing the floor area for same volume of tank. • Band filter unit is mounted on rollers for ease of shifting during tank cleaning. • Common drive for magnetic separator & paper band filter, makes it economic. • No electrical panel hence reduced cost & maintenance. • Dirty filter paper is wound on a mandrel for easy disposal while the dirt collected is stored in a bin. • Absence of conveyer, shafts, rollers, makes it more maintenance friendly.     

A magnetic drum with close dense magnetic field is assembled on non-magnetic SS shaft. Magnetic pole shoes are projected out to form “fins”, for better magnetic field alignment around the drum. The drum is rotated very slowly by a geared motor drive. A non-magnetic SS trough holds the dirty fluid close to drum. Magnetic dirt is picked-up by magnetic field & is attached to the finned drum. Slow rotary motion dumps the dirt collected on closely contoured scrapers. Extended scraper dumps the dirt collected to a bin. Size & number of fins is selected depending on the flow of fluid, viscosity of fluid & quantum of dirt to be handled. Positive rake scraper is selected for volatile fluid like water based emulsion while negative rake scraping is selected for oils. Negative rake scraper keeps the fluid away from bin. Advantages: • This is very simple separation device to separate magnetic dirt from metal working fluids. • Absence of consumables makes it more attractive for a verity of uses.

Drum filter comes in handy. Veeraja mesh drum have a unique seal design which increases the life of seal and is very maintenance friendly.Fluid with chips drops in cavity outside a mesh drum. It moves in the drum trough fine mesh, by gravity, leaving the chips on the mesh. A scraper conveyer, wrapping the mesh drum & scraping the outside cavity, carries the chips to a bin. On the way the fluid drips back to the tank. The conveyer movement also rotates the mesh drum. Clean fluid inside the drum is siphoned out to a clean fluid tank. From this it is pumped to the machine. Part of the pressurized fluid from pump is used to backwash the mesh drum.

Disc Type Oil Skimmer offered comes in superior construction finish and provides for valuable process support involving removing un-emulsified oil through surface skimming process. We can make these available with filtration capacity of 5 l/hr to 20 l/hr with the product providing for continual cleaning operation. Further, the SS304 disc finish also makes these easy to maintain. Some of its features include compact finish; ideally suited for individual machines; suited for applications like steel grinding, washing machine, gun grilling processes. Features : • Used for removing un-emulsified oil • Filtration capacity : 5 l/hr to 20 l/hr • Continues cleaning operation. SS304 disc • Ease of maintenance. Tank Top mounting. Single drive. Very compact • Ideal for individual machines • Standard sized modules are mentioned in attached PDF catalogue Applications : • Steel Grinding , Cast iron Grinding • Washing machine • Gun Drilling

A good coolant filtration system is one of the most important aspect of metalworking. An ideal filtration system is a combination of right product and of right size and in some cases combination of multiple products. Selection of the system and its sizing depends on following factors : • Your process • Flow required • Pressure required • Type of fluid and its viscosity • Clarity of filtration required • Temperature to be maintained etc. Confused! Don’t be! Call Us and we will help you select the right solution. True to our motto DISCUSS DESIGN DELIVER we will also custom design a solution to suit your specific needs. Veeraja has implemented hundreds of custom built filtration system

A perforated top of vacuum chamber is placed at the bottom of dirty coolant tank. Machine outlet lets dirty coolant in this tank. A pump sucks coolant through filter paper laid on top of vacuum chamber, leaving dirt on filter paper. Pump suction generates vacuum increasing dirt layer thickness & hence finer filtration. After preset level of vacuum is reached, it is broken temporarily by opening actuated by-pass valve. Part of dirt-laden filter paper is pulled out to be replaced by fresh filter paper. Dirt is dumped in a bin while dirty filter paper is wound on a shaft. The operation is totally pneumatic & automatic.   Applications : Suitable for fine filtration of coolants used in grinding, honing, gun drilling & component washing applications. Features : • Better filtration is achieved using lesser filter paper. This gives better quality at lesser operational cost. • Total automatic pneumatic actuation. • Can handle more viscous fluids. • Low initial cost. • Designed for individual machine unit.

In this filter the filter paper is held between a pair of sealing discs & a permeable support belt. Dirty fluid is dropped in the trough formed with filter paper at the bottom. The fluid passes through the filter paper leaving the dirt on it. The layer of dirt gathered on the filter paper achieves finer filtration. The filter is mounted directly on top of the tank, letting clean fluid in the tank. As the filter paper chokes, the fluid level above the filter paper rises. This activates a level switch, starting a drive coupled to the rollers, supporting the permeable support belt. This ejects part of the dirty filter paper & dirt to bin, pulling in clean filter paper from the roll. Applications : Suitable for fine filtration of coolants used in grinding, honing, gun drilling & component washing applications. Features : • Forms deeper trough compared to a paper band filter. This requires lesser area for same fluid flow. • Totally automatic operation.

In this filter the filter paper is held between a pair of sealing discs & a permeable support belt. Dirty fluid is dropped in the trough formed with filter paper at the bottom. The fluid passes through the filter paper leaving the dirt on it. The layer of dirt gathered on the filter paper achieves finer filtration. The filter is mounted directly on top of the tank, letting clean fluid in the tank. As the filter paper chokes, the fluid level above the filter paper rises. This activates a level switch, starting a drive coupled to the rollers, supporting the permeable support belt. This ejects part of the dirty filter paper & dirt to bin, pulling in clean filter paper from the roll.

Centralised filtration system is basically a common filtration system for a group of machines. If you want to reduce your Cost per component ( CPC ) then centralized filtration system along with swarf handling system can go a long way in helping you. By implementing a central filtration system you can save upto • 25% in shop floor area • 50% in electricity cost • Increase life of coolant by 10 times • Reduce manpower required by 50% Want to know how? Call Us! And we will help you in selection of the right type of filtration, design and its implementation. True to our motto DISCUSS DESIGN DELIVER we will help you out from concept to after sales. Veeraja has successfully implemented hundreds of central filtration systems for : • Aluminum machining • Cast Iron Machining • Steel grinding • Steel Honing

The dirty fluid is pushed in the filter housing under pressure. Filter elements of correct filtration rating are placed in the housing depending on the flow & other requirements. The ends of the filter elements are sealed so that the fluid is made to pass through the filter medium only, to leave the dirt on the filter medium. Generally the inlet & outlet are in one line.  However the position of the inlet could be altered as per the requirement. Applications : • Variety of applications are possible depending on the requirement. such as filtration of hydraulic oils, lub oils, fuels, cutting fluids, coolants, washing fluids etc. • Variety of filter elements are available depending on fluid to be handled (oils, water based fluids, chemically active fluids washing fluids etc.) dirt to be filtered (from 1 micron till very course mesh type strainers) & type of filtration (disposable elements & re-usable elements). • The housings are sized depending on the application & rated flow requirement.(Housings of 1, 2, 4, 8, 14 & 24 elements are available.) Housings are designed for 10 bar pressure. These can be designed for higher pressures. The housings of verity of material of construction are supplied depending on the requirement. Features : These filters have some unique features making them maintenance friendly. Hinged bolts clamp lids. (Strap clamps are adapted on smaller housings.) Easy to operate lid lifting is for heavier lids. Bottom sealing surface for elements is away from filter housing keeping sedimented dirt away. This can be removed through the drain arrangement.

An Endless belt of magnetic candles is dipped in dirty coolant tank such that the dirty coolant enters in the core. Coolant flows slowly over the magnetic candles leaving the ferrous dirt on the candles. The belt is indexed to pull out dirt-laden candles & rotate them at top to remove the dirt. The dirt is then transported to a bin outside the tank. Applications : Suitable to handle fine ferrous dirt from large flows of coolant. Most useful in rolling, grinding, wire-drawing etc. Features: • Very Compact. Occupies less space leaving the tank free for maintenance. • Occupies lesser dimension on top of the tank making it more suitable for cellar installations. • Excellent collection efficiency. Can be made suitable for viscous fluids. • Very smooth & silent operation. • Runs on only one drive. Requires lesser power. • Most Economic & cost effective.