Wood Waste Recycling equipment

Author: urcadmin | Published: Aug 23rd, 2010 | Category: Equipment, News

All of us here at Unlimited Resources Corporation would like to assist you in your next purchase of wood waste recycling equipment. We always have the following types of wood waste recycling equipment for sale. Tub-Grinders, Horizontal Grinders, Compost Turners, Screens, Hammer mill Grinders, and Chippers.

We generally have several Tub-Grinders in inventory that have been refurbished and generally have a good number of others that we have available to broker. Some of the brands that we would normally have available for sale would be Diamond Z, Morbark, WHO, Hogzilla, Pro-grind, Duratech, Precision Husky, Vermeer, Haybuster, as well as many others.

We sometimes have a horizontal grinder available here in our inventory for sale but we always also have many horizontal grinders available to broker. Some of these brands that we normally have available for sale would be Diamond Z, Petereson Pacific, Bandit Beast, Doppstadt, Maxigrind, Rotorchopper, Biogrind, Vermeer, CBI, Morbark, as well as many others. We have refurbished many tub-grinders over the past fourteen years and have much insight to the proper operation of these types of equipment. Also we’ve been around several of the horizontal grinders in the past few years and are beginning to get a better feel for how these machines operate as well. So when you have the need for this type of equipment please give us a call.

In addition we generally have at least a couple of refurbished compost turners in inventory for sale here at our location as well as also having several more units available to broker. Some of the brands that we generally have available for sale would be Scarab, Wildcat, Frontier, Scat, Mid West Bio Systems, Aeromaster, as well as many others. Our company has refurbished many of these units since we began our business and have a good knowledge of how each of these machines performs.

When you have a need for a sizing screen please give us a call at Unlimited Resources Corporation. We many times will have a screen here in inventory at our location but will also always have several units available to broker. Some of the brands that we generally have available for sale would be McCloskey, Morbark Powerscreen, Re Tech, Royer, Wildcat, Erin as well as many others. Of course these machines are available in all different shapes and sizes depending on the materials makeup and the volume of materials needing to be processed.

So when it comes to purchasing wood waste recycling equipment let your first call be to the ones that have worked in this industry for over fourteen years and understand what machine you need for your particular application.

Whole Tire Proocessing System by Stages to Crumb Rubber

Author: urcadmin | Published: Aug 23rd, 2010 | Category: Equipment, News

Let the “can do crew” at Unlimited Resources Corporation “custom build” your whole tire processing system by stages or by phases. Our experienced staff can custom design and build most any type of tire recycling system that you have the need for in today’s competitive market place. From the primary shredding of the whole semi-truck and passenger tires all the way down to the production of wire and fiber free 10-40 mesh crumb rubber URC is the company to call when you need tire recycling equipment. And many times we have much of this equipment already refurbished in our inventory so you won’t have the major delays generally associated with the purchase of this type of equipment.

We generally try and set up each plant that we “custom build” in stages or phases. This allows you many options on producing many different types of sellable product. Here are the stages or phases that we would typically suggest that our customers consider when they are looking at getting into the tire recycling business.

Two inch nominal tire chips (TDF)- This stage of the system could be accomplished by using many different brands of shredders such as Granutech/Saturn, Columbus McKinnon, SSI, Shred Tech, Raptor, Predator, etc. in conjunction with many different brand name and types and styles of sizing screens or classifiers. In this stage of the system you will process whole tires down to 2″-1½” tire chips or what the industry typically calls (TDF) tire derived fuel. This is typically accomplished in what we call a shear tire shredder and many times we configure the machine so that it has what we call a “split chamber” where we will do the primary shredding and secondary shredding of these tires in a single machine. In the primary cutting chamber (usually around 2/3 of the total cutting chamber area) we will generally use 2″ wide 2 hook knives while in the secondary part of the cutting chamber (the balance of the chamber) we generally use 1 3/8″ wide 12 hook knives for the sizing of the tire chips.
¾”- ½” tire nuggets or mulch- This stage of the system is generally accomplished by using one of the following brands of machines: the Granutech/ Saturn Grizzly, the Columbus McKinnon Liberator, or the Eldan Rasper. Essentially each of these machines performs the same job in that it takes the 2″ tire chips and grinds them down to ¾”- ½” tire pieces where around 85-90 % of the steel is removed by using a cross belt magnet. This process has really become widely used in the past several years and now many TDF customers are requiring their tire chips to be run through one of these machines so that much of the wire can be liberated before it is shipped to them as a final sellable product.
¼”- ³/16” mulch- The next stage or phase of the system would be to take the ¾”- ½” mulch or nugget size material down to ¼”- ³/16” in size. This also can be done with several different brands of granulators such as Granutech, Cumberland, Alsteel, Triple S, Entoleter as well as many other brands. These machines grind the material down until it can go through a screen that meets your size needs. These machines are generally referred to as hog grinders and generally have open rotors for performing this task. Many of these machines would have the capability of producing around 3,500-4,000 lbs per hour of this size product that you could get down to around 97% wire free with the use of another magnet. In some cases some people use a cracker mill to perform this function. We generally use them as a final grind machine in the production of crumb rubber and not at this stage of the system.
10 mesh minus crumb rubber- The final stage or phase of the system would be to produce the crumb rubber. This is done by many different types, styles and brands of granulators. These are generally called closed rotor or fine grind granulators. Granutech/ Saturn has a machine they call the Powderizer that several people are using to perform this task as well. And one of the best machines we believe for this application is the cracker mill. There has been a great advance made in these machines that allows them to produce many different friction ratios to accommodate the more efficient sizing of these crumb rubber products. These have because very popular over the past several years and don’t require as much maintenance as many of the other machines require. After running your material through one of these machines you should be able to screen off several different sizes of crumb at this point with the addition of a multiple deck Rotex screen. Of course any oversize materials would be run back through the machine again to get it down to the size you need.

These are the stages or phases that are generally used in an ambient grind type of crumb rubber system and this is by far the most popular used around the world today. The other method of producing crumb rubber is cryogenic where the 2″ tire chips are frozen by using liquid nitrogen and then run through a hammer mill that shatters the frozen particles. We’ve not seen very many successful plants of this type operated around the world and we don’t tend to push this type of equipment.

So please contact us here at Unlimited Resources Corporation and let us “custom build” whatever type tire recycling plant that you may need to meet your customer’s needs. We’ve been in business for over fourteen years and would welcome the opportunity to help you with your tire recycling equipment needs.

Come to the Experts in Tire Shredders

Author: urcadmin | Published: Jul 26th, 2010 | Category: Equipment, News

Unlimited Resources Corporation has been in business for over fourteen years and we’ve refurbished almost every brand of tire shredder that has been manufactured. Not only have we refurbished most brands of tire shredders but we’ve many times made updates to these machines that have made them more user friendly to operate. We have also many times made changes to these tire shredders that make them more productive and more durable.

So our company understands Tire Shredders and without a doubt some are better than others, but each of them has their place in the shredding industry somewhere. Many times we have moved them away from the tire shredding industry into plastics, wood, paper or e-waste because they are better suited for these types of applications. The main reason for us moving the machines to these other industries is that they weren’t strong or rugged enough to stand up to the severe duty that shredders encounter in the tire recycling industry.

We have refurbished many Columbus McKinnon, Granutech/Saturn (Mac-Saturn), SSI, Eidal, American Pulverizer, Williams, Mitts & Merrell, Jordan (Reduction Technologies), Barclay and Untha tire shredders. In addition we have refurbished many other brands that are not as popular some of those names. Our company takes pride in providing the tire shredding industry with quality refurbished tire recycling equipment that is custom built to stand the test of time. And our machines will many times out perform the OEM built machines because of modifications we have made or weaknesses we have identified and corrected in the way the machines perform in the harsh environment of the tire shredding industry.

Unlimited Resources provides the tire recycling industry with another more affordable option for purchasing your next tire shredder or tire recycling equipment needs. We’ve recently built a brand new shop and office facility and now have the capability to handle most any shredder made. Our shop has overhead cranes in place to make working on these machines much easier than it was in the past. And we have long time working arrangements in place with many of the large machine shops to handle the outside work that we don’t have the necessary special equipment in house to perform. You can be assured that if you purchase tire recycling equipment from us that you will be receiving some of the best equipment available and at a competive price. So make your first and last call to the ones to call for all your recycling equipment needs – Unlimited Resources Corporation.

Custom Built Conveyors

Author: urcadmin | Published: Jul 23rd, 2010 | Category: Equipment, News

Unlimited Resources Corporation has in stock several custom built conveyors of different lengths and widths. Our company has been custom building conveyors since we first went into business in 1996. Over this period of time we have custom built almost every type of conveyor used in the tire recycling and wood grinding industry. We build some of the heaviest constructed conveyors in the industry today. We use only the highest quality components to build these conveyors and offer some of the best designed conveyors working in the recycling industry today. We’ve used these conveyors in many of the systems that we’ve assembled over the years so we’ve had a lot of feedback over the years from our customers.

We can custom build whatever length or width conveyor that you might need for your application. We can custom build a troughed (pan), flat pan, or any type of roller conveyor that you might need. We can build these conveyors in sections that easily bolt together once they are at your location. We can of course build whatever support structures (legs) that you might need to accommodate the incline the conveyor is going need. We many times put stainless steel sections in these conveyors to accommodate cross belt or drum magnets. Let our years of test proven results help you custom design your next conveyor system.

We’ve gone to using Grove speed reducers over the past four or five years and have not had a failure to date with this brand. We generally use head and tail pulleys from Precision Pulley and use completely enclosed take-ups to prevent damage from the elements. Our goal has always been to build conveyors that will stand the test of time and we’ve seen our conveyors still running great after over ten years of continuous service.

We custom build and use many of these conveyors in the tire recycling industry, wood grinding and crumb rubber industry each year. Therefore we don’t and won’t build junk conveyors. We will custom build conveyors to meet or exceed your industry’s needs. Please call us and see if we can provide you with your custom built conveyor needs now or whenever you start your next project.

We don’t and won’t build light duty conveyors. We build only heavy duty conveyors that will be designed to operate for many years if adjusted properly. We generally build most of our conveyors out of channel but would vary from this if you need a truss design to meet your specific needs. Call the boys with the “can do crew” at Unlimited Resources Corporation and see if we might have your conveyors needs in stock. If not let us give you a price for custom building a conveyor for whatever materials that you might need to convey.

Custom Built Surge Bins

Author: urcadmin | Published: Jul 23rd, 2010 | Category: Equipment, News

Unlimited Resources Corporation has in stock several different sizes and styles of custom built surge (storage) bins that we furnish to the Tire Recycling Industry. We custom build these bins out of 3/16″ thick steel unless you specify heavier or lighter steel at the time of purchase. We can custom build these surge bins to meet whatever your specific need might be from primary tire shredding all the way down to crumb rubber production. We presently have custom built bins in stock for the storage of 1″-2″ TDF (tire derived fuel) chips. We also have custom built bins in stock for the storage of 3/8″-3/4″ rubber mulch material. We keep in stock a custom built bin for handling ¼” minus rubber- down to crumb rubber. Finally, we have in stock a custom built bin that would allow you to feed either two separate machines or have the capability of making one size product while sending half of the material on down the line for further size reduction.

Unlimited Resources Corporation has the capability of custom building whatever size and type of storage bin you might need. We can also match this up with many different sizes and types of screw auger conveyors or drag chain conveyors. And of course Unlimited Resources can also furnish you with what ever drive system you might need to meet your specific product flow needs. We can offer continuous speed drive systems or many different types of variable speed drive systems to accommodate you plants needs.

Unlimited Resources Corporation uses these surge bins in many of the systems that we build for the Tire Recycling equipment Industry as well as the crumb rubber systems that we offer for sale. We use them not only for product storage but also for being able to better balance systems to make them perform better when you are putting several different machines together to make them into a crumb rubber system. Of course each crumb rubber system is different and we use many different types and brands of equipment to perform the different functions needed to reduce whole tires down to crumb rubber. These custom built surge bins allow us the flexibility needed to be able to better match equipment up to build these crumb rubber systems.

Many times these custom built surge bins also give us the flexibility to be able to only operate part of the plant while we are working on other parts of the plant. We have the storage capacity to run certain machines for an extended period of time on the reserve in the storage bins feeding this particular machine or part of the system.

Of course Unlimited Resources Corporation builds these custom built storage bins for mainly the Tire Recycling Industry but they can be used in almost all industries. We welcome the opportunity to be able to quote you on your custom built surge bin requirements. Be assured that you will be buying the best bins at affordable pricing offered in the industry today.

Converting a Stationary Tire Shredder into a Portable Tire Shredder

Author: urcadmin | Published: Apr 21st, 2010 | Category: Equipment, News

Some time back we acquired a SSI Model 1800-E stationary tire shredder. The shredder had completely worn out knives in it and was in generally poor condition. As we got into reconditioning this tire shredder, it began to turn from an ugly duckling into a beautiful swan.

This is not a large machine but it has incredible torque, developing 44,384 on the fast shaft and 56,064 on the slow shaft. That makes this particular shredder ideally suited for the shredding of passenger tires, light truck tires, e-waste, light metals, plastic, fiberglass, aluminum castings, wood waste, MSW, steel or plastic drums and many other products.

As the quality of the machine became apparent, we decided to convert this from a stationary machine into a mobile tire shredder. On the shredder itself, we replaced both main shafts and installed all new bearings and seals. It has a new 125 HP electric motor and we replaced the input section of the Reggiani gearbox (this is the part that generally fails on this type of heavy-duty gear drive reducer). All the old worn out knives were replace with all new two-hook 1 3/4″ wide knives.

Once the shredder was completely refurbished, we set about making it portable. To do this we mounted the shredder and its stand on a tandem axle trailer. Then we added a Radar disc screen classifier to sort product to make a 2″ nominal TDF tire chip. To make a 2″ nominal chip the material must pass through the shredder box several times until it is properly sized.

This is a simple statistical problem to pass the chips through until they fall the right way to be cut into proper lengths. We had already built new infeed and outfeed conveyors for this machine. To create the recirculating system we built a conveyor to take the material from the shredder box to the classifier. Then we built a cross conveyor to return the over size material back to another conveyor that returns the larger chips back to the shredder for another cut.

To power everything, we mounted a Caterpillar 3306B generator on the trailer. The next step was to wire the entire thing so the conveyors start and stop in the proper order and everything can be run from a central electrical control panel. We also installed some individual stop buttons for the infeed conveyor as well as a panic button to stop everything at once for the safety of the operator if something unforeseen happens.

After everything had been tested and refined, we super cleaned the machine and sent it to the paint shop for a brand new paint job.

Moving this tire shredder from one site to another is a simple matter of stowing the infeed and outfeed conveyors and dropping the catwalks on hinges so the entire load is legal width as well as legal weight. Set up on the other end takes a few hours at most and the machine is ready to start making product again.

Like all the machines we rebuild, this entire machine carries a limited warranty. Our customers can buy with confidence that this tire shredder should operate for many years without causing major problems just like a new machine but at a much lower investment.

A Portable Tire Shredder – Like New

Author: urcadmin | Published: Sep 17th, 2009 | Category: News

A customer recently asked us to get them a portable tire shredder for a tire pile cleanup. We knew of one for sale that we actually converted from a stationary to a portable machine about seven years ago. That machine had shred literally millions of tires, probably close to ten million. Many of the components were worn out and running on fumes.

We bought the machine and brought it into our shop. Over the course of 30 days we made many repairs to the machine. These included:

Steam cleaned the entire machine 3 times to remove 7 years accumulation of oil and dirt
repairs to the pans on most of the conveyors
replacement of the head and tail pulleys
had two complete sets of new knives built
installed a new pinion gear
installed one new main shredder shaft
installed a transfer switch to allow the machine to be switched over from the generator to run on available three phase power
built a new infeed conveyor
replaced conveyor belts
replaced the takeups on the conveyors
ordered and installed new rails and cleaning fingers in the shredder box
new seals and seal protectors
new keys for both main shafts
installed new pinion bearing
installed a new bearing on the main shaft we replaced
replaced both end plate bearings
rebuilt the infeed hopper
new sheaves and belts for the rotary classifier
rewired as necessary
complete paint job
replaced some gear boxes

The refurbishment to this machine was a six figure cost, but the result is a portable tire shredder that is very like new, with the functionality of a new machine. And for much less than the cost of new machine.

Converting a Primary Tire Shredder into a 1 and ½ Inch Chip System

Author: urcadmin | Published: Aug 17th, 2009 | Category: News

We are often asked to do repairs on various machines. We typically don’t do repairs because refurbishing our own equipment takes a great deal of our time and space.

Recently a customer who bought a Granutech/Saturn 62×40 high torque tire shredder from us several years ago came to us with a request to refurbish their machine and convert it to a 1½ inch chip system. It was originally a primary shred machine so several modifications were required.

As part of the refurbishing, we removed the existing knives and sent them off to be rebuilt to use for spares. We put a new custom built and hardened set of knives into the machine. We also built a split chamber in-feed hopper for this machine so that it could regrind chips into a smaller product.

A rebuilt rotary disc screen classifier was added to the system to sort off the proper sized chips. We built three new conveyors with legs and miscellaneous hoppers to recycle the cut chips back into the machine for further processing.

Our electrician built all the electrical controls necessary to start and control the new operation with appropriate enclosures. Finally, the finished product was thoroughly tested and then cleaned and painted before redelivery to the customer.

This entire process took about six weeks, primarily due to the time needed to build new knives and rebuild the old knives.

The end result: a machine that would only produce a primary chip was converted into a reliable 1½ inch nominal chip machine, complete with new knives, new paint, and complete inspection and testing of shafts and hydraulic systems. This tire shredder is now ready for many more years of economical production.

Building that Perfect Tire Recycling Equipment System – Canada

Author: urcadmin | Published: Jul 21st, 2009 | Category: Equipment, News

Unlimited Resources Corporation designs a lot of complete tire recycling equipment systems. We recently built a system to take the two inch chips from an existing tire shredding operation on down to ¼ inch mulch. This system took over two months to build and involved a large number of components. Some of these components were items we had in stock from plant dismantling or other purchases. Some were machines that we completely rebuilt so as to be like new. And many of the material movement components were constructed in our shop.

The front end of the system was a Granutech/Saturn Model 80 grizzly. We tore this machine down to the bare bones and rebuilt it. We sent the rotor away to have it balanced. At 18,000 pounds for the rotor alone, very specialized equipment was required and we used an electrical shop in Illinois to dynamically balance it. Of course upon reassembly we put in all new bearings and seals. We also modified the existing rotor design to a brand new star design hard faced to make it run cooler and increase its operating life.

The grizzly was set up to take a two inch chip coming out of their tire shredder down to half inch or so. The next grinder in line was a custom built knife hog. We had this machine in stock but it was not in working order when we got it. We tore it all the way down and put all new seals and bearings in it. We also had knives made specifically for this machine by a knife builder. The machine has the capacity to take material that is less than one inch and take it on down to about ¼ inch by means of screens in the hog. We completely rebuilt this machine to be like new.

Transporting the material into, out of and between the various stages required lots of conveyors. We used four custom built flat or pan conveyors that were built in our shop from all new components. We purchased six new auger conveyors for use in this system to move material vertically. We modified a rebuilt vibratory screen conveyor with a stainless steel section to allow its use with a magnet to separate steel out of the product. A drag chain paddle conveyor we had in stock completed the product conveyance part of the system.

Our electrician built two complete control panels for the system complete with soft starts to control the machines. Two brand new self cleaning cross belt magnets were installed to capture the metal freed from the tire chips.

To handle the mismatch in the speed with which the various machines could process material, and to insure a continuous supply when a machine has to go down for maintenance, we built two huge surge bins in our shop capable of handling several hours of intermediate production.

A major consideration for the dust and fiber liberated as tire chips are reduced to ¼ is a complete air processing system to capture the light material. We built lots of duct work in our shop based on the building specs given us by the client. To move the material we installed several blowers we had in stock and several cyclones with airlocks we had in stock. A Forsberg was added into the line to remove most of the fluff from tire fibers. The final part of the filtration system was dust collectors with airlocks to trap the material removed from the line.

All the equipment was carefully prepared and then primed and painted in a color of the client’s choosing. We set the system up in our shop and our electricians wired everything so it functions as a unit. For example, if the second machine in the line needs to be shut down, it is important that the system recognize that the infeed conveyors to that machine need to automatically shut down so as to not pour material into a non-operating machine. The surge bins would take over at that point capturing material from the prior processing until the second machine is operational again.

Five truckloads were required to haul all the equipment to its final destination in Canada. Once the equipment was on site, two of our men took one of our service trucks to that site and set all the equipment in place, supervised the final electrical work, and installed all the duct work including roof penetrations, etc. Actual installation of the entire system with testing on site required four working days. This is very good service after the sale.

All the design drawings for this system were prepared by Unlimited Resources Corporation and this is a typical service for clients who need to build systems but don’t know what is required other than desired product.

If you are starting any type of tire recycling project, call us at 800-423-9062 and let our experts help you plan and build your system.

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