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Parts of Cooling Towers

Posted by on Feb 23, 2017 in Uncategorized | Comments Off on Parts of Cooling Towers

Cooling towers are commonly used in oil refineries, chemical plants, and thermal power stations. In buildings, cooling systems find their application in HVAC systems. There are different types of cooling towers – mechanical draft cooling towers, natural draft cooling towers, counterflow towers, and crossflow towers. Cooling towers are designed to reduce high temperatures through evaporation of water. A cooling tower design encompasses various parts making up the entire system, with each part playing vital functions in the overall cooling process. The following are the major parts of a cooling tower. Cold Water Basin The basin is made of reinforced cement concrete. One of the key functions of the cold water basin is to collect water from the tower. In addition, the basin acts as the base of the whole cooling tower system. Fills This is the main area used for heat transfer. Two major types of fills can be found in a typical cooler – film fills and splash fills. Fans These are used to move large volumes of air with minimum vibrations. The materials used to make the fan must be compatible with the design and withstand corrosion. Often, the fans are made of fibre reinforced plastic, aluminium, and glass fibre. Drift Eliminators These are used to reduce drift loss. Drift loss occurs when entrained water is lost via hot air into the atmosphere. In essence, drift eliminators help in reducing loss of process water. The eliminators are placed next to fills. Pipings These are used for water distribution in the cooling tower system. The pipes used to supply cooling water to the hot basin have to be placed below the ground. Alternatively, the pipes can still be placed on top, albeit with support mechanisms to minimise the impact of thrust loading that’s usually caused by the weight of the tower and water pressure in pipes. Nozzles Various materials can be used to make the nozzles. They include polypropylene, ABS, glass-filled nylon, and PVC. The main function of the nozzles is to uniformly distribute hot water inside a cell of cooling water. Distribution Valves These are used to regulate the flow of hot water to ensure even distribution in cells. The valves are designed to withstand a corrosive environment. Cooling Tower Structure The main materials used in making the tower structure include chemically treated timber, fibre reinforced plastic, and reinforced cement concrete. The louvers of the tower are made of asbestos sheets. The main instrumentation of the cooling tower includes vibration switches, level switches – for the basins – flow metres, and...

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Planning To Set Up Shop? This Is Why You Should Opt For Plastic Furniture

Posted by on Dec 7, 2016 in Uncategorized | Comments Off on Planning To Set Up Shop? This Is Why You Should Opt For Plastic Furniture

Part of setting up a retail shop entails installing furniture, mostly display units and shelving units. If you are headed to this stage of your shop fitting exercise and are looking for ideas, here is why you should opt for plastic furniture as opposed to other alternatives such as glass or timber. Plastic is cheaper Plastic is cheaper to manufacture or recycle. As such, plastic products cost cheaper than timber or glass. As a result, opting for plastic displays and shelving racks for your shop could help scale down your costs. As you well know, setting up shop can be quite draining financially. With plastic furniture, you can manage to save some money which you can them redirect to buying inventory or other start-up costs. Plastic is easier to fabricate into custom designs Shoplifting furniture needs to reflect the brand of your business outlet in terms of design. For this to be achieved, you need to order customised products that will fit into the exact places you want and give the look that best flatters your shop space. Plastic is one of the easiest materials to manipulate and fabricate. Your plastic fabricator can manufacture your furniture in any shape, size, thickness, and even colour. Plastic can withstand rough use better than glass Glass is a common shop fitting material. This is mostly due to its transparency which makes it ideal for display units. Plastic is manufactured in transparent panels as well. But unlike glass, plastic is better at withstanding rough use, e.g. hard impacts and abrasion. Some plastic varieties such as perspex are almost impossible to scratch or shatter, making it superior to glass in all ways. Plastic is more durable than timber Timber cabinetry is also common in shops. While it is hard to ignore the allure of timber in furniture applications, it is equally hard not to point out its shortcomings when it comes to durability. Timber can warp, burn, rot or get infested by pests. Hardened plastic, which is what is mostly used in retail shops, cannot and will, therefore, last longer thus giving you better value for your money. Plastic provides a light non-bulky design Plastic is much lighter than either timber or glass. This makes it easy to move plastic furniture around the shop should you need to rearrange your floor space or move things around. A light thin design on your shop furniture also provides a contemporary feel and much better aesthetics that your customers will definitely appreciate. Contact a plastic fabricator to order your plastic-made shop furniture in any shape, design, thickness, colour or plastic material....

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Factors to Consider When Ordering Cut to Size Plastics

Posted by on Jul 18, 2016 in Uncategorized | Comments Off on Factors to Consider When Ordering Cut to Size Plastics

Cut-to-size plastics are available in a wide variety of different specifications and plastic types. It is therefore important that you consider several factors before placing your order for plastic that will be used for your DIY project. This article discusses some of those key factors. Temperature Range Each form of plastic has a safe temperature range within which it can be used without suffering any alteration to its chemical composition and structural strength. For instance, the maximum operating temperature that nylon sheets can withstand is about 220°F. This is much higher than the safe operating temperature of Acetal that is just 180°F. You should therefore determine the maximum temperature of the application to which you want to put that cut-to-size plastic before you choose a type to order. It may also be advisable to select a type whose safe operating temperature is higher than your application so that the material will withstand any unforeseen events, such as a temperature spike caused by malfunctioning equipment as you work with the plastic. Colour Cut-to-size plastic materials are available in a wide range of colours. However, not every colour is suitable for every application. For instance, clear plastic may not be the right choice if you would like to create some privacy for the office that you have created at home. In such a case, tinted or frosted plastic may be a better choice. Similarly, you may need colour-coded cut-size plastic tubing to distinguish between the hoses carrying different fluids in your vintage car. It is therefore advisable to consult the supplier of the cut-to-size plastic before you make your order so that you are sure that the material that you choose is available in the colours that you want. Electrical Conductivity Some plastics, such as fibreglass reinforced thermoset polyester, are electrically conductive. Others may not be electrically conductive. You need to consider whether the plastic that you wish to buy will serve as an electrical conductor, such as plastics that will be used in electrical equipment, before you place your order. As you can see, there is a lot more that you need to consider when you are ordering cut-to-size plastics from a supplier. Do not be lulled into thinking you have nothing more to think about once you have measured the dimensions of the place where the plastic will be used. You may even need to talk to the plastics supplier so that he or she confirms that what you have selected is the best for your DIY...

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Cargo Protection: Choosing the Right Industrial Transportation Netting

Posted by on Apr 1, 2016 in Uncategorized | Comments Off on Cargo Protection: Choosing the Right Industrial Transportation Netting

Transportation is a critical element in most businesses, so you should assess the general haulage practices in your operation regularly. One of the important shipping aspects that you should think about when performing this type of review is cargo protection. Basically, you should ensure that there are good measures in place to prevent cargo damage and unexpected losses. There are different ways in which you can improve cargo protection, but using transport nets presents the most benefits. This type of industrial product will stabilise combined loads, prevent shifting on rough roads and allow better management of shipments. If you decide to invest in the cargo netting, consider these simple factors before choosing the right protective product. Fabrication Material When purchasing cargo netting for commercial transportation, you must consider the material used for fabrication. This will affect the durability of the product, the cost and the general performance. There are three primary materials that are commonly selected for cargo netting: polyester, nylon and polypropylene. Polyester is a favourable choice because of the low purchase price attached. Moreover, the material is strong and resistant to rot and mildew infestation. Nylon is more expensive, but it will provide longer service life. Polypropylene netting is resistant to oils and water, so it can handle cargo in adverse environments. For example, it is perfect for ship transportation because the webbing will not be damaged by the fluids around. Mesh Sizes The size of the openings in the netting is an important factor to assess because it will determine the effectiveness of the protective product. In simple terms, if the spaces are small, they will provide better support and improve the stability of the pertinent shipment. However, a mesh product that is closely knit requires more threads or ropes for the manufacturing process. Consequently, the cost of purchase for each netting unit will be higher. Cheaper cargo netting with large mesh spaces provide less support and is not suited for smaller packaged shipments because there is risk of slipping out. Therefore, it is important to find a compromise between the purchasing prices and mesh size. Load Rating Finally, you should check the maximum load rating in the specifications of the netting products. Compare this with your potential shipments to determine whether the match is ideal. If the load rating is lower than your cargo weight, the net will experience undue stress and break prematurely. On the other hand, the capacity of netting is determined by the thickness of the threads or ropes, so high-rated products will be more...

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Safety precautions when working with a laser cutter

Posted by on Mar 31, 2016 in Uncategorized | Comments Off on Safety precautions when working with a laser cutter

If you need to use a laser cutter for a project around your house, you need to know what you’re doing and preferably have some experience with laser cutting before you decide to do it yourself rather than hire a professional. The most important thing to think about when doing your own laser cutting is safety. It’s a dangerous tool that can cause severe injuries if you don’t handle it correctly. In order to keep safe while cutting with a laser, there are a few pieces of safety equipment you should consider wearing. Gloves  The most common injuries when using a laser cutter are hand injuries. It’s hard to keep your hands completely out of the way when cutting, so there’s always going to be a slight risk. You should wear thick leather gloves. If the project you’re working on isn’t too delicate, then you should also consider wearing steel plated gloves. For the same reason, you should also wear a long sleeve shirt made from a thick, durable material that covers your wrists. If you have nothing else to hand, a leather jacket might do, but make sure it properly covers your entire wrist and that you can move around it without problem. Eye protection Another common injury people get from laser cutting is eye injuries. It’s dangerous to look too closely at the laser, as it’s so bright that your eyes can become permanently damaged. There’s also a risk of fragments of the cut material flying up in your eyes, damaging them. The best safety goggles to wear are those specifically made for laser cutting, as there are various models made for different strength lasers, but if you don’t have access to this type of goggles, you should wear a welding mask. Try to find a welding mask with tinted glass in front of the eyes to minimise the harmful effect the light has on your eyes. Boots Another dangerous part of laser cutting is the risk of being electrocuted. This is not a very common cause of injury for laser cutters, but when it does happen, the injuries are very severe. To avoid this, you should make sure all protective barriers are in place before you start using the machine. If they’re not, you should put them back into place or ask someone how to best handle the situation. You should also use sturdy boots with a thick rubber sole. The rubber helps grounding you if you were to get a current through your body and can keep you safe from grave...

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Top Benefits of Using Mailing Tubes

Posted by on Feb 12, 2016 in Uncategorized | Comments Off on Top Benefits of Using Mailing Tubes

If you are looking for a unique packaging solution for your business, there is plenty of good reason why you should try mailing tubes. These packaging products have increasingly grown in popularity, especially in recent years because of the numerous benefits that they offer to businesses. Read on to find out about some of the crucial benefits you can gain by purchasing mailing tubes to help meet the packaging needs of your business. Customizable  A crucial advantage of opting for mailing tubes is that they can be tailored to meet the exact specifications of your packaging needs. These tubes can come in different diameters and lengths, plastic or cardboard tubes, plain or printed tubes, open-ended or closed tubes, and so on. Since virtually all product specifications can be met, you can rest assured because the mailing tubes delivered to you will meet your business’s packaging requirements in the best way possible. Visual impact For many modern businesses, how they pack their products matters a great deal. This is because their clients usually pay a lot of attention on the visual impact created when deliveries are being made to their doorsteps. With the advent of graphic design, mailing tubes do not just come in plain form. They can be engraved with unique patterns that make them extremely pleasing to the eye. More so, these tubes can also come in different color varieties so that you can perhaps settle for those that complement your company colors. Secure With the right mailing tubes, you won’t have to worry about the condition of what is kept inside. These cylindrical tubes come in different thicknesses depending on the level of protection required. Regardless of whether you are carrying a big or small load, you can be sure the tube will be up to the task. If you operate a courier company, for example, the tubes can be used to carry important business documents, vintage art work, building design drawings, business presentation prints, maps and posters. Larger, sturdier mailing tubes, can work best when you need to ship heavy items such as industrial parts and auto spares. The interiors of some mailing tubes can even be padded to ensure that fragile items like those made of glass material. Recyclable Last but not least, another benefit of mailing tubes is that the plastic or cardboard material used to manufacture them are recyclable. This means you don’t have to worry about taking old tubes to the landfills, as you can take them to a local recycling facility and even get tax incentives for...

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How to Prevent Moisture Buildup in Your Container

Posted by on Jan 26, 2016 in Uncategorized | Comments Off on How to Prevent Moisture Buildup in Your Container

You are probably interested in hiring a container to either store or transport your cargo. Well, before going forward with container hire, it’s important to have a strategy in place to deal with moisture build ups and condensation issues that often affect containers. Container rain or sweat takes place when the walls of the storage container are cooled to a lower temperature than the dew point of the atmospheric air inside the vessel. These fluctuations in the temperature of the container often lead to moisture buildup which ultimately damages the goods stored within the container. Here is the best solution on how you can prevent your hired container from turning into a home-made shower for whatever you’re storing. Use of desiccant Desiccant use is a viable solution for getting rid of the effects of container sweat or rain. A desiccant bag, simply put, is a hygroscopic element that generates or preserves a state of dryness within the container itself. A wide selection of desiccants are available in your hardware stores including silica, calcium chloride, calcium sulphate and charcoal. They are available in various forms including bags, tablets, tapes and coatings and so on. In porous desiccants, for example the silica gel, moisture is eliminated from the airspace through multi-layer adsorption. Here, the desiccant’s surface attracts the water molecules. Given that the desiccant is extremely porous, its surface area is quite high and lots of water droplets get absorbed. By absorbing moisture from the air, the desiccant effectively lowers the temperature or dew point at which humidity turns into a liquid form inside the container-which means less container sweat or rain, if any. Desiccant bags absorb the humidity and trap it inside the bag itself. They are designed in such a way that humidity can penetrate but cannot escape. The desiccant bag should be placed inside an airtight system which doesn’t allow air circulation inside the product. An aluminium foil can be used to create a suitable airtight system, within which goods can be stored or shipped. Desiccant bags come in various sizes, so you can be sure of finding which suits your purpose. They are available for small-sized and medium shipments, shipping containers and extremely large shipments. Note that desiccants are generally bad for any product package that has a moisture content. Therefore, only use desiccant bags for packages that don’t have moisture content or else the product may suffer from weight loss and lower performance following the absorption of its moisture by the desiccant. Talk to your container hire company to see if they have any further suggestions on how to prevent container...

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Various Benefits of Chain Mesh Fencing

Posted by on Dec 28, 2015 in Uncategorized | Comments Off on Various Benefits of Chain Mesh Fencing

If you are looking for a versatile as well as affordable option for residential and commercial fencing, chain mesh fences would be your best bet. This type of fencing is used to enclose a myriad of areas including playgrounds, swimming pools, industrial spaces, sports fields and more. You can be assured that this fencing will stay in place, as it is attached to steel posts that are cemented into the ground. Here are some of the various benefits of chain mesh fencing. Chain mesh fences are durable and have a long life span Chain mesh fences are manufactured from galvanized steel. This makes them strong enough to bear the brunt of harsh weather elements without compromising their integrity for a significant period of time. In addition to this, you can opt to either paint or coat the galvanized steel of the chain mesh to protect it from corrosion as well as rusting. This makes a durable option for people in locations prone to erratic weather conditions. Chain mesh fencing is easily repairable As the name suggests, this type of fencing is made of a steel mesh that comprises of interlocking wires. As such, it is quite easy to repair in the event of vandalism, wear and tear and other unfortunate incidents. All the fencing contractors would have to do is cut away the affected part and replace it with new chain mesh. This saves you on the costs associated with replacing your fencing in its entirety. Chain mesh fencing requires little maintenance Since this type of fence is made from galvanized steel, it is already quite sturdy. Therefore, you do not have to worry about ensuring it is maintained on a regular basis, as it can withstand dirt, grime and the elements. If the fence has become excessively dirty, a simple hosing down with water would suffice to replenish it to its previous glory. Other maintenance measures you may want to embark on over the course of owning the fence could include repainting or recoating it as needed. Chain mesh fencing comes in an array of design options A common misconception that people have is that chain mesh fences come in the same drab grey colour that is a staple at construction sites. The truth of the matter, though, is that you can customize this type of fencing to whatever specifications you have in mind. The metal can be made in different gauges of thickness depending on how strong and secure you would like the fence to be. Additionally, the fence comes in varying heights and colours, thus ensuring your preferences are met. For more information about chain mesh fencing, contact  a local fencing...

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Useful tips on how to effectively prepare and load a pallet

Posted by on Dec 5, 2015 in Uncategorized | Comments Off on Useful tips on how to effectively prepare and load a pallet

Wooden pallets are one of the most common forms of safely transporting goods for delivery. Whether it is through shipping containers or trucks, pallets provide a solid structure for items to be placed. As well as providing a solid structure whereby goods can be easily lifted into the transport vehicle, they also keep the goods from being in contact with the ground, where there could be excess water and other potential damaging conditions. With the widespread uses of these pallets, it is vital that people know how to efficiently and safely load pallets in order to prevent any damage occurring to the goods being carried, as well as to protect the health of the workers who are loading them. Here is some advice to do just that. Preparing to load the pallets Over the years, the process of loading pallets has become more refined and safer due to a number of technological advances. Businesses are constantly looking for ways in which they can improve their efficiency in all areas of their business and loading pallets is one of them. There is a set process in place when it comes to producing goods. They need to be manufactured, packaged, boxed, placed on pallets, handled and transported. In order to maximise the amount of room available to use on a vehicle or in a container, you need to tailor the size of the pallet that you will be using. You want the pallets to fit square against the sides of the transport vehicle, so they won’t be moving around during transit while maximising the load you can have in the vehicle. You want to use shipping packaging and materials that are also square and will fit neatly on the pallets. Loading the pallets Make sure that everything on the pallets has been inspected before you begin the loading process. You don’t want to use a pallet that has been damaged, as it will deteriorate throughout the process and could potentially cause damage to the products. It is important that the load on the pallet does not exceed the weight limit of the pallet or the lifting vehicle, such as a forklift. You should try your best to centralise the load and place it in a uniform fashion so that all of the goods are flush against one another. Once everything has been loaded, you need to secure the products in place by strapping them together and wrapping film around them. Contact a company like 1/2 Price Pallets for more...

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The main factors that affect the bending of a pipe

Posted by on Nov 20, 2015 in Uncategorized | Comments Off on The main factors that affect the bending of a pipe

If you only starting off bending pipes, you might not be too confident on how exactly you should proceed. It can be tough to determine which exact factors will help to influence, hinder and complement the bending process. In recent years, bending pipes has become more technological and scientific thanks to the advent of new discoveries. In large industries, advanced and complex machinery is used in order to bend pipes to the company’s exact requirements. However, as you are only starting off with this process, you most likely will not have access to this type of high tech equipment. Therefore, you must rely on older and more traditional methods for bending pipes. You will have to be extremely precise with your measurements as well as using the best materials and tools that are available to you. When it comes to bending pipes, you need to understand the basic principles that govern the process. Here are some of the more important considerations you need to keep in mind when bending pipes. Wall thickness The process remains the same whether you are dealing with a pipe that is circular, square or any other type of shape. When you are bending the pipe, it is the diameter that is located on the outside of the bend that will need to be comprehensively compressed and stretched in order to bend the pipe. If the wall is particularly thick and heavy, a tighter bend radius will be needed as well as having a larger stretching surface area and decreased distortion. Method of bending When it comes to determining and keeping the level of distortion under control, you need to pick the best bending method available to you. You will be able to create the correct tolerances that will be consistent as well as being much more precise when you have chosen the best method. Usually when you are working with smaller pipes, it is compression bending that will be the ideal method to use as it will be able to incorporate various types of dies and mandrels. When the pipe is larger, you will need to use either induction or increment bending is the bending radius will need to be wider. It does take some trial and error in order to always pick the correct method for a specific pipe bending project. After having some practice using the various methods, it will become clear shortly after assessing the type of pipe that needs to be bent, what method you should use. For more information, contact a company like Inductabend Pty...

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