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Category: Industrial

The feasibility of using plasma technology

A significant portion of municipal solid waste, even in the most advanced methods of collecting and sorting waste is subjected to high temperature procession with a primary focus on combustion in mechanical grate furnaces. Prepared in collaboration with Simdean specialists, largely applying solutions, the article analyses the experience of using plasma technology for the processing of various types of waste. It is noted that to process solid waste disposal technologies are hardly used because of the higher maintenance and operating costs compared with layer combustion. The environmental benefits plasma gasification method are also obvious.

In recent decades, EU has experienced a substantial increase in the trend of municipal solid waste (MSW) increase, the residential sector. In this regard, under constant environmental degradation solution to the problem of solid waste recycling has become paramount.

The complexity of the solution of this problem is due to the need to use complicated capital-intensive equipment and the difficulty of solving a multifactor problem of environmental friendliness and economic feasibility of selecting a specific technology for waste disposal. Considerable attention is paid to this problem solving and public authorities: the focus of waste management are prevention and reduction of waste, the development of infrastructure for their treatment and toughening the bans on the dumping of wastes that have not been sorted and processed.

As far as scandinavian experience goes, to solve the problem of solid waste disposal housing involves all methods of recycling of solid waste, including recycling through separate collection, sorting and composting. However, thermal processing of solid waste to generate electric and thermal energy is the main and final stage on the way to solve the problem of complex sanitary cleaning of waste. And in cities, especially large ones, for now and for the long term thermal methods of play and will play a key role in solving the problem of solid waste.  Continue reading

The ‘Side Effects’ Of Wind Power Approach

Wind, an inexhaustible source of clean energy, is becoming more widely used at strategic level, rapidly gaining public support at the same time. Wind power has been used since ancient Babylon (wetlands drainage), Egypt (grain grinding) and China and Manchuria (pumping water from the rice fields) times. In Europe, this technology was introduced in the XII century, while the adoption of truly modern approaches started only in the XX century.

Wind power can operate in areas with wind speeds above 4.5 m/s level. Wind power stations can either conduct their business within a network of an existing plant or represent a stand-alone construction. The so-called ‘wind farms’, the areas where a number of pieces of wind collection equipment is concentrated and functioning as an entire system, are also gaining momentum due to noteworthy economic feasibility.

The greatest share of wind energy production belongs to the United States and Europe (Denmark, Germany, Great Britain and the Netherlands in particular). For long years the US has been holding the leadership among the most powerful wind plants in the world, Roscoe Wind Farm, generating impressive 781 MW of power. Another interesting example is Aeolus II wind farm that operates at Wilhelmshaven, Germany and produces 7 million kw/h of energy annually, providing about 2 million of households with electricity. Currently, there are nearly 23,000 active turbines installed in the world.

The ins and outs

Despite the mass production, the cost of construction of a modern wind power is still far from being affordable. However, it should be fairly noted that its operation cost is almost negligible. Environmental and economic benefits largely depend on the correct location; it requires a detailed and comprehensive analysis of both technical, environmental as well as financial aspects. Wind energy meets all the conditions necessary for its identity as environmentally friendly method of energy production. Its main advantages are:

  1. No pollution – the production of energy from wind neither results in emissions of harmful substances into the atmosphere nor entails waste generation.
  2. Wind power is renewable, inexhaustible source of energy, allowing to save on fuel consumption, as well as on the process of its production and transportation.
  3. The area in the vicinity of a plant can be utilized for agricultural purposes with no restrictions.
  4. Stable costs per unit of energy is produced, plus the method contributes into the growth of economic competitiveness in comparison with conventional energy sources.
  5. The minimum transmission loss of energy – wind power plants can be built directly by the consumer, and in remote locations, which in the case of conventional energy require special connection.
  6. Easy maintenance, easy installation, low maintenance and operating costs.

Cheap to maintain

Once the tiresome process of manufacturing and installing is accomplished, the only thing the company has to take care of is to initial regular equipment checks. So who are these guys? Normally, farm owners either have in-house engineers or cooperate with seasoned providers, such as Granada Material Handling, offering a full array of wind turbine services as well as provides assistance with wind turbine inspections.

Industrial Flanges In A Nutshell

Flange is a device designed for seamless connection of pumps, pipes and valves. This connection method provides an easy way to modifying, cleaning or inspecting the system. Usually, the flanges come with welded or threaded connection; however, the market offers custom stainless steel flanges solutions as well – the firms like AlexanderComley produce both standard and custom-made flanges that meet virtually any requirements.

Flange mounting itself implies using bolts; impermeability is achieved due to gaskets. Industrial flanges are constructed from various materials: with processed surfaces in store, flanges are made from cast iron, stainless steel, brass, plastic, bronze and etc. In addition, flanges, just like pipes and fittings for special application, often have an internal coating of a different quality in comparison with external coating. According to AlexanderComley, bespoke flanges, tubesheet and butt weld fittings uk are oftentimes manufactured from the same material used in the production of pipes.

O-ring and gasket position depends on the implementation of surface and shape of the flange. The most commonly used types are as follows: surface with a projection; groove for the O-ring; flat surface; surface with internal and external thread and tongue and groove joints. It is important that the flange surface are characterised by minor roughness, to ensure the highest quality of the seal. The most widespread types of surface processing are roughing, spiral notching, concentric grooving and smoothing.

To provide the necessary tight flanged connection using gaskets is obligatory. An average gasket is a ring or pressured plates that used for water-resistant mounting. Gaskets are manufactured at extreme temperatures and pressures and are made of non-metallic, semi-metallic and metallic materials. The principle of operation is simple enough: a gasket is clamped between two flanges, and thereby fills the microscopic unevenness and the surface area to prevent leakage of gases and liquids. Continue reading

Glass Reinforced Concrete: Guiding The Modern Architecture

Glass reinforced concrete represents a composite material consisting of fine-grained concrete (matrix) and dispersion reinforced with short glass fibers. Thus, glass reinforced concrete (or GRC) combines the typical of the conventional concrete high compressive strength with extreme flexibility and tensility (4-5 times higher than in concrete), strength (10-15 times higher) and frost resistance (more than 300 cycles).

This is an environmentally friendly material that does not contain harmful ingredients and belongs to the category of non-combustible materials. Glass reinforced concrete offers increased waterproofness and a high degree of adhesion to plain concrete, boasting high resistance to cracking at the same time. Easily molded, acquiring complex spatial shapes with GRC is a walk in the park mission, plus the material exactly replicates the tiniest details on the surface. Moreover, GRC products have a small cross-section (ranging from 6 to 20 mm) and are considerably lighter in comparison with the products of conventional concrete. Continue reading

Parking Ventilation: The Basics Of Design Explained

The growing demand of both industrial towns and large cities in carports, caused by the high population density in the urban areas, throw designers together with a good number of challenges. The main objectives set to car park ventilation professionals are typically the following:

  • Maintain the acceptable indoor air parameters
  • Ensure decent fire resistance
  • Implement an environment-friendly system

Covered parking facilities are usually located below the ground level and require the installation of mechanical ventilation in nine cases out of ten. Semi-covered parking constructions, as a rule, are comprised of frames with multiple floors, though a roof and exterior walls may be partially or completely absent. This is where a natural or mixed ventilation system can be installed (a combination of natural and mechanical systems can also be installed for sites with a large floor area).

Closed car park ventilation system performs the following functions:

  • Maintains the allowable concentration of carbon monoxide (CO)
  • prevents the formation of explosive concentrations of flammable gases

Parking ventilation

The main factor determining the characteristics of a future parking ventilation system is the approximate number of cars serviced on a daily basis. This number is oftentimes determined by the type of construction, which represents the carport. As a rule, apartment buildings and shopping centers adopt the condition of constant and distributed car use, while the number of moving vehicles varies from 3% to 5% of the total number of cars. The situation is different in parking lots of sports facilities, concert halls, airports and etc. Here, the number of vehicles in simultaneous motion equals 15-20% during peak hours or during the hours that coincide with the beginning or the end of the business day.

Next Gen Roof Coating In Action, Polyshield

Polyshield is a modern, high-performance, sprayed, two component pure polyurea elastomer. The material is based on various amino-polyester resins, amino-resin and MDI prepolymers, providing a flexible, durable and monolithic waterproofing membrane boasting truly efficient resistance to water and chemical activity.

Polyshield is characterised by high abrasion resistance, that’s why it is added into the armory of protective materials as waterproofing and corrosion-resistant coating in heavy and mining industries to prevent abrasive wear.

Polyurea-based Polyshield features

  • 100% solvent-free material
  • Unlike other materials, polyshield offers hydrophobic properties; therefore, it reacts poorly with wet or cold surfaces it is applied to.
  • Larger gel time allows deeper penetration and impregnation.
  • Extreme temperatures resistance (121°C+) with an ability to sustain short 150°C loads.
  • High abrasion resistance
  • Higher strength in comparison with the majority of analogs
  • Class 1 Flammability, National Fire Protection Association USA (NFPA) compliant

Spheres of application

The material has been successfully applied in numerous types of residential and commercial facilities; Polyshield is primarily used for:

  • Protection of steel from abrasion
  • Waterproofing (swimming pools , roof waterproofing, sewage tanks, dams , tunnels, barges and etc.)
  • Replacing or repairing sheet membrane coatings
  • Waterproofing and corrosion protection of steel tanks, silos and pipelines
  • Protective elastomer for polystyrene
  • Protective coating for asbestos cement sheets , lead paint and a range of hazardous materials
  • Protective coating for truck bodies, cars, dump cars; roof coating.

The Benefits of Ultrasonic Cleaning in Distillery Industry

Distillery industry requires particularly close attention to the quality of the components for ​​spirituous beverages production, as well as the quality of glass containers in which they are bottled. The use of modern ultrasound technology allows achieving excellent results in containers cleaning that exceed any quality standards. Therefore, distillery companies can derive juicy benefits from using ultrasound equipment adjusted to particular demands.

Bottle washing machines allow solving one of the most crucial problems in distillery industry – inner surface of glass containers leaching under the influence of alcohol-containing product. This effect occurs because of poor quality glass surface, damaged by incorrect storage of container. Ultrasonic treatment of glass containers in a weak solution of hydrochloric acid at room temperature contributes to a full recovery of the glass surface, if the initial ratio of water resistance does not exceed 0.6 ml of 0.01 N HCl. The quality of the recovered surfaces is confirmed by storing alcoholic solutions for long periods of time under different climatic conditions.

Bottle washing machines – extra advantages

Bottle washing machines are also used for refillable containers cleaning. To remove the salt deposits in the bottle washing machines use acidic solutions, while removing a range of other contaminants implies using alkaline. Implanting ultrasonic cleaning in distillery manufactures contributes to a 100% increase in reusable packaging cleaning and a significant productivity growth.

Ultrasonic Cleaners can significantly intensify the process of extraction, resulting in rapid obtaining of high-quality extracts for the production of alcoholic beverages. An ultrasound effect on the extraction is achieved due to improved hydrodynamic conditions of the process and an increased temperature of the mixture. Another process optimization method lies in ultrasonic modules integration in existing equipment (percolators, extractors and tanks for infusion).

The process of ultrasonic cleaning is also used pharmaceutical, food and fertilizers production industries. Ultrasonic effect helps to retrieve various aqueous, alcoholic, oily solutions, crystalline substances, and thick dry extracts, syrups, pigments, aromatic solutions, disinfectants and etc.

Hilsonic is a shining example of an innovative company that focuses on providing ultrasonic cleaner of quality second to none. Drop in at to get acquainted with the price-list.

The Basics Of Scrap Metal

A solid scrap metal dealer is highly likely to buy virtually any kind of scrap metal; however, if you are looking to plunge into the business, undergoing a basic training is obligatory. Let’s start from the very beginning – the definition.

The large class of scrap metals is typically represented by a variety of obsolete metal products, collected for further processing. Scrap metals are subjected to melting procedure, and once this sub-mission is accomplished, the materials enter the manufacturing line iteratively. Generally, scrap metal is characterized by the types of metal it consists of: the predominant material in the overall composition of the scrap plays the decisive role. Furthermore, scrap metal is divided into particular categories in accordance with physical characteristics and chemical composition, the content of carbon or the amount of alloying elements.

Therefore, there are several categories to steel and iron scrap metals (stainless steel, cast iron, etc.), non-ferrous metals (copper scrap and alloys, such as brass, bronze, red brass), aluminum and its alloys, titanium and titanium alloys (ship and aircraft wastes), magnesium scrap (waste aircrafts), lead (batteries, cables); semiconductor scrap (provided by electronics industry); rare scrap metals (alloys provided by high-tech industries).

Precious scrap metal category is comprised of gold, silver and platinum metals. Jewelry, catalysts, batteries, crucibles and chemical apparatus constitute the greater part of precious scrap metals class. Since metal ore is identified as irreplaceable mineral, the idea of ​​recycling and further processing despite of certain financial costs and the need for additional production facilities, is absolutely crucial for both the environment and the economy as a whole.

How It Works: Test Rigs Production

The nomenclature of test rigs is extensive enough, and, therefore, the equipment line-up is pretty diverse. Virtually all the manufactured products pass a particular control, characterised by various complexity and applied in serial and mass production. More importance is attached to test rigs in individual, pilot and small-scale production and (air tooling in particular).

A normal test cycle can be divided into three stages. The first stage, test preparation, implies defining of the objectives; selecting or designing the required test equipment and its manufacture; measuring equipment selection; products preparation (locations designed to accommodate the equipment revision); preparing technical documentation. The second stage is about actual test, and the third one is processing experimental data and the test results formulation. Continue reading

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