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rotary dryer with wet scrubber manufacturers

spray dryers manufacturer in pune, india

spray dryers manufacturer in pune, india

Technodry System Engineering Pvt. Ltd. is a company engaged in serving the process industry to cater to all the requirements related to drying and evaporation. The company is managed by highly experienced industry professionals having rich experience in the field since 1995.

Technodry System Engineering Pvt. Ltd. Gat no. 2021, 2022/5, Dawad mala, Chakan Ambethan Road, Behind Mahalaxmi weigh bridge, Chakan 410 501, Tal. Khed, Dist. Pune, India +91 7972332396 / +91 9665036923 [email protected]

rotary dryer systems: supporting equipment

rotary dryer systems: supporting equipment

Rotary dryers are used prolifically throughout bulk solids processing applications from fertilizers and soil amendments, to minerals, specialty chemicals and more. In fact, new applications in which rotary dryers are being implemented are constantly on the rise.

The typical support equipment that makes up a complete drying system is outlined below. In addition to our custom rotary dryers, FEECO can provide the listed equipment as part of a complete drying system.

All direct rotary dryers must be equipped with exhaust gas handling equipment. The level of exhaust gas handling required is based on the unique emissions requirements of the material being processed, combined with local, state, and federal regulations. Design of the exhaust handling system will differ based on the level of treatment needed.

Depending on the requirements, the exhaust gas handling system typically consists of one of the setups listed below. However, no matter what type of exhaust gas handling system is employed, an induced draft (ID) fan will be required.

For cyclone and scrubber applications, the ID fan can be positioned between the cyclone & scrubber or after the cyclone and scrubber. It is desirable to place it after the cyclone (and before the scrubber) when the exhaust gas contains chemicals that become corrosive when mixed with water from the scrubber. By doing this, the fan can be fabricated from carbon steel as opposed to a special alloy.

The baghouse or bag filter collects any particulates that may have become entrained in the process gas and carried out through the exhaust air, which can especially be an issue when a high airflow velocity is combined with a fine material. Preventing the release of captured particulates into the atmosphere is a critical part of emissions control.

Not only do baghouses aid in air pollution control, but they can also be used to reduce wasted product; the dust and fines collected by the baghouse can often be recovered and reintroduced to the process, mitigating any waste lost as dust. In some operations, operators may choose to implement an agglomeration circuit to process baghouse fines or send them back to the process as recycle.

Cyclones use centrifugal force to separate out larger dust particles. Incorporating a cyclone into the system prior to the baghouse increases dust and product recovery. For this reason, this system is particularly beneficial when maximum recovery of dust and product is desirable, such as when working with a highly valuable material.

Cyclones first remove the bulk of the larger particulates, leaving the baghouse, which is not ideal for dealing with a lot of carryover, to filter out the remaining dust. As a result, this setup can help to prolong baghouse life and reduce the frequency of maintenance since the cyclone reduces the burden on the baghouse by handling the bulk of particulates. Furthermore, this setup allows baghouses to be effective in situations where they otherwise could not due to incompatible material characteristics (again because the cyclone removes the bulk of entrained material before the baghouse).

The scrubber utilizes a fluid solution (often water) to clean contaminants and particulates from exhaust gas. In this setup, the cyclone serves to remove the majority of the particulates, while the scrubber removes the remainder, along with any harmful chemical components.

The image above shows the discharge end of a rotary dryer. Ducting carries air and particulates out to a cyclone and baghouse, while a troughed belt conveyor collects material from the discharge to carry it to storage or transport.

In some settings, waste heat from various sources can be used to preheat combustion or dilution air to improve burner efficiency. The combustion air required to assist in the combustion reaction typically comes from a blower forcing air into the burner. The burner heats up the combustion and dilution air to produce the necessary process drying gas. An air-to-air or steam-to-air heat exchanger can be used to raise the temperature of waste heat, allowing it to be fed in as the combustion or dilution air, reducing the burden on the burner and increasing efficiency.

Combustion chambers are not required in all settings, but can be a valuable add-on. Combustion chambers serve to house the combustion reaction and direct the airflow into the dryer (either co-currently or counter currently).

Implementing a combustion chamber can offer a number of benefits. Perhaps most importantly, the addition of a combustion chamber can promote a quality product by preventing contact between the burner flame and the material being processed.

In addition to the immediate support equipment, various types of bulk material handling equipment will be required to transport material to and from the dryer. This might include screw conveyors, troughed belt conveyors, bucket elevators, feeders, etc.

Rotary dryers are a critical component in many industrial bulk solids processing applications. These units often require a range of support equipment to integrate them into a process and to meet air pollution requirements.

FEECO is a leading supplier of custom rotary dryers and systems. With experience around hundreds of materials, we can supply you with a complete drying system around your unique process needs. For more information on our drying systems, contact us today.

environment friendly processing of lead battery scrap, lead acid battery recycling companies in india, battery hydro separation system | aswathi industries limited

environment friendly processing of lead battery scrap, lead acid battery recycling companies in india, battery hydro separation system | aswathi industries limited

Aswathi Industries Limited offers a turnkey project solution for Industrial Waste Incinerators Plant, Lead-acid battery recycling processes, and Air Pollution Control Equipments, rotary calciner and dryer. We are equipment manufacturers & solution provider since 1997 and provide technology and solution for Bio Medical Waste incinerator Plant, Lead Smelting, Aluminum Melting, Lead refining, Lead Alloying, and Industrial furnace ,Dryers ,force draft coolers , fume extraction system, Dust extraction system and industrial blowers/Fans.

We provide complete plant & Machinery for Tire and Plastic Pyrolysis Plant and PP Crushing and Washing Unit. Along with Industrial Furnaces like Rotary Kiln, Walking beam furnace, Box furnace etc. Aswathi provides solutions for Acid Neutralization, fumigation Systems, Desulphurization, Dryers, coolers. We export Tailor-made Air Pollution control equipment and Induced and Forced Draft Industrial Fans (ID Fan), Bag Filter, Cartridge filters, reverse baghouse, Cyclone ,Scrubber, Fume extraction system, Box Type Dryer/Furnace, Walking beam furnace, rotary calciner and dryers, Belt conveyors and ladles and Rotary air lock valves (RAV).

In the present market, we strongly believe that marketing is only a tool to reach customers, but relationships with your past customers, define your future orders. We executed projects all around the globe. We do everything from start to finish to ensure the customer's project is a success. As a supplier of both equipment & services, we are well-positioned to know what a customer's need are & what is needed to supply it. Nothing is left out & nothing gets added they don't need.

rotary dryer / rvd - steam tube dryer and freeze dryer

rotary dryer / rvd - steam tube dryer and freeze dryer

In direct heat Rotary Dryers a continuous feed of wet particulate material is dried by contact with heated air, while being transported along the interior of a rotating cylinder / rotating shell acting as the conveying device and stirrer. SSP offers Rotary Dryers in co-current (Parallel) and counter-current operation. In the former the wet material is exposed to the hottest air which enables heat sensitive or sticky material to be dried successfully. In counter-current operation, dried material is exposed to the hottest air helping to achieve very low moisture content. The hot gas may enter at a very high temperature which varies from product to product with maximum temperature as high as 350C.

Steam tube dryer is one of the indirect heated rotary dryers, which contains rotating shell, rows of steam tubes arranged in concentric circles and extended throughout the length of the dryer. Steam tubes are designed to transfer heat from steam to the material being dried. This is one of the most energy efficient dryers. The tubes and radial fights together serve to agitate the material and to provide required residence time.

Industrial freeze dryer retains aroma, improves appearance and taste because freeze drying takes place at a low temperature which minimizes heat damage and retains volatile components (aroma). It also increases the shelf life of the dried product as compared to standard drying practices. Freeze-drying involves dehydration of food products at low temperature and pressure. As a result only the moisture is removed, leaving the molecular structure intact. The end product is light in weight with least or no change in volume. Worldwide freeze-drying technology is considered as the ultimate amongst all other dehydration methods. Hence this technique is currently being used for the production of instant coffee, instant tea, fruit pulp and other heat sensitive products.

It is best suited for continuous drying of temperature sensitive and sugar containing products at low temperature under vacuum conditions. The dryer consists of a vacuum chamber in which conveyer bands of food grade quality are arranged. The band passes over the hot plates heated internally by steam or hot water. Feed product is spread on the moving band and is dried as it moves on the hot plates. Dried product is obtained at the other end.

These types of dryers are mostly used in pharmaceutical companies. This is a batch type dryer heated by steam (Indirect). This dryer can also be used as a sterilizer. Recovery of solvent from powder is possible using such dryer.

Paddle Dryer is an indirect heat transmission dryer, a machine that processes organic and inorganic granular and powdery materials. It dries (or cools) such materials by bringing them into direct contact with revolving wedge-shaped hollow heaters (paddles) without using air as a heating medium.

The Process SSPs paddle dryer is designed to facilitate intimate mixing for optimized heat transfer. A screw feeder is used to feed the wet material into the system. Our process indirectly heats the wet mass with dry and saturated steam. The main hollow shaft holds the paddles in place. The steam enters the paddles and heats up its walls uniformly using a rotary joint which also works for condensate removal. As the wet mass moves forward in the system it releases vapor and dries up. The dried material is taken out from the dryer drum through the outlet. The vapors are removed from the dryer along with some fine particles to be collected in a cyclone separator. The hot air then passes through a wet scrubber to trap finer particles and flu gases from the dryer to release clean air. SSP can design and customize paddle dryer for use with a variety of heat sources, which has a vast number of applications:

rotary drum dryer manufacturers and suppliers | exceed

rotary drum dryer manufacturers and suppliers | exceed

currentorco-currentflow,EMCCsdesignteamcandesignarotarydrumdryerforyourapplication. Rotarydryersareahighlyefficientindustrialdryingoptionforbulksolids.Theyareoftenchosenfortheirrobustprocessingcapabilities

andtheirabilitytoproduceuniformresultsdespitevarianceinfeedstock. Rotarydryersworkbytumblingmaterialinarotatingdruminthepresenceofadryingair.Theycanalsobeindirectlyheatedtoavoid

agglomerates,thetumblingactionimpartedbythedryerofferstheaddedbenefitoffurtherroundingandpolishingthegranules. -OptionalComponents -KnockingSystems -TrommelScreen

FEATURES Diameter:1m4.6m Capacity:1TPH200TPH(1MTPH181MTPH+) Speciallydesignedliftingflightstomaximizeheattransferbetweenthematerialandhotgasstream Heavydutydesignandconstructionformanyyearsofservice ProcessandMechanicalWarranties

Rotary drum dryeradopts slightly tilted drum which can be rotated. The wet materials are sent to hopper of rotary dryer by belt conveyor orbucket elevatorfrom the higher side, and well-dried materials are collected from the other lower side, and hot air enters the drum from the feeding side or discharging side according to user needs.

rotary dryers

rotary dryers

Weve built a reputation on building the best rotary dryers in the industry. All of our dryers are custom designed to suit the unique processing needs of your material. Whether you require low or high inlet temperatures, short or long residence times, counter current or co-current flow, FEECOs design team can design a rotary drum dryer for your application.

Rotary dryers are a highly efficient industrial drying option for bulk solids. They are often chosen for their robust processing capabilities and their ability to produce uniform results despite variance in feedstock.

The drum is positioned at a slight horizontal slope to allow gravity to assist in moving material through the drum. As the drum rotates, lifting flights pick up the material and drop it through the air stream in order to maximize heat transfer efficiency. When working with agglomerates, the tumbling action imparted by the dryer offers the added benefit of further rounding and polishing the granules.

All FEECO equipment and process systems can be outfitted with the latest in automation controls from Rockwell Automation. The unique combination of proprietary Rockwell Automation controls and software, combined with our extensive experience in process design and enhancements with hundreds of materials provides an unparalleled experience for customers seeking innovative process solutions and equipment.

Rotary dryers are known as the workhorse of industrial dryers. They are able to process a wide variety of materials, and can lend a hand in nearly any industry requiring industrial drying solutions. Some of the most common industries and materials in which rotary dryers are employed include:

Unlike direct dryers, indirect dryers do not rely on direct contact between the material and process gas to dry the material. Instead, the rotating drum is enclosed in a furnace, which is externally heated. Contact with the heated drum shell is what dries the material.

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Our rotary dryers are built to the highest quality standards, with longevity in mind. The best part about buying a FEECO rotary dryer, is that you get the security of knowing your equipment is backed by over 60 years of experience, material and process knowledge, and a proven track record.

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