A free powerpoint ppt presentation displayed as a flash slide show on. External treatment most of the unit operations of water treatment table 39. It is characterised by having many narrow firetubes, running horizontally. Wee chieftain boilers can be found hard at work in over 100 countries across the globe. Mar 05, 2016 cochran boiler is a vertical, coal or oil fired, firetube boiler. Introduction to boiler control systems ced engineering.
Cochran boiler main parts, working, advantages and disadvantages. This bluetooth network security report includes the security threats and mindset behind the misuse of bluetooth. Developed in association with the combustion engineering association, gastec and carbon trust, this five day course is designed to provide extensive knowledge of. Download that books into available format 2019 update. In the furnace, a fire door and a damper is provided for feeding coal to the grates and controlling the amount of air entering the grate, respectively. Boiler tube failure thermohydraulic analysis the boiler hopper tubes at an eskom power station suffer from continuous mechanical failures that lead to frequent unplanned maintenance.
Construction safety plan 4 c asbestos removal work prescribed activity irrespective of cost. Find powerpoint presentations and slides using the power of, find free. Cochran boiler lancashire boiler locomotive boiler babcock wilcox boiler cochran boiler working features 1. I purchased one of these units at a coalfired plant where i worked to remove iron particulates following boiler chemical cleanings. Industrial chemistry ic vocational uso4cicv01us04cich02. Chemical plant utilities unit 6 introduction a steam generator or a boiler is defined as a closed vessel in which water is converted into steam by burning of fuel in presence of air at desired temperature, pressure. Boiler instrumentation and controls seminar with free. Kong, a certificate issued in respect of the boiler or pressure receiver by a recognised inspecting authority in the country in which it was constructed. It is characterised by having many narrow firetubes, running horizontally boilers like this have been widely used on ships as either auxiliary or donkey boilers. Treatment of the boiler feed water, boiler water, steam, or condensate with corrective chemicals. Oil refining processes are the chemical engineering processes and other facilities used in petroleum refineries also referred to as oil refineries to transform crude oil into useful products such as liquefied petroleum gas lpg, gasoline or petrol, kerosene, jet fuel, diesel oil and fuel oils. Before it being put in use the equipment under the above ordinance must be examined by a boiler inspector appointed under the boilers and pressure vessels ordinance, cap. Some of common type of boilers which are used in industry over years are.
It is the modification of a simple vertical boiler with increase in surface area. Cochran boiler is a vertical drum axis, natural circulation, natural draft, low pressure, multitubular, solid fuel fired, fire tube boiler with internally fired furnace. Adjacent to the furnace, the boiler has a fire brick lined combustion chamber which is connected to the furnace through a. Boiler powerpoint templates w boilerthemed backgrounds. Other different types of fire tube boiler are locomotive, lancashire, cornish, velcon, simple vertical boiler today we will look into construction or main parts, working, application, advantages, disadvantages of cochran boiler. Oil refinery process units, refinery equipment list. Control of the concentration of chemicals in the boiler water by bleeding off a portion of the water from the boiler. Steam boiler or simply a boiler is basically a closed vessel into which water is heated until the water is converted into steam at required pressure. Guidance on safe operation of boilers edition 1 october 2011 5 of 40 3 legislation boiler systems are required to comply with different legislation, including a number of health and safety regulations, which aim at ensuring that new and existing boiler systems are continually operated and maintained in a safe manner. The original system had filters with 7micron pore size, but plant personnel found that 10micron worked just as well.
Adjacent to the furnace, the boiler has a fire brick lined combustion chamber which is connected to the furnace through a small flue pipe. Best powerpoint templates download your favorites today. Industrial boilers is the property of its rightful. Cochran boiler is a vertical drum axis, natural circulation, natural draft, low pressure, multitubular, solid fuel fired, fire tube boiler with internally. Cochran boiler is a vertical, coal or oil fired, firetube boiler. Boilers like this have been widely used on ships as either auxiliary or donkey boilers. To study the constructional features of cochran boiler bme. Find powerpoint presentations and slides using the power of, find free presentations research about cochran boiler ppt. The grate is placed at the bottom of the furnace and. View and download powerpoint presentations on cochran boiler ppt. Chemical plant utilities unit 6 introduction a steam generator or a boiler is defined as a closed vessel in which water is converted into steam by burning of fuel in presence of air at desired temperature, pressure and at desired mass flow rate.
The cochran donkey boiler, or auxiliary boiler, was used in harbor when the main boilers were not needed for the propulsion of the ship and consequently the steam demand was low. These templates are designed by experts for a more professional and useful artist contract. It gives about 70% thermal efficiency with coal firing and about 75% with oil. Boiler preparation, startup and shutdown learning outcome when you complete this module you will be able to. Industrial boilers stirling boiler example of water tube boiler where bent tube are used instead of straight tube which are used in babcock and wilcox boiler high pressure boilers two. High pressure power boiler a power boiler operated at pressures exceeding 20. Construction safety plan 3 the following construction safety plan provides management procedures for the health and safety of all personnel on site and at the workplace and is to be followed at all times and read in conjunction with current workplace health, safety. The furnace of the cochran boiler is in hemispherical shape. Describe the basic preparation of a boiler for startup, and the startup and shutdown procedures. The cochran three pass, wetback boiler is renowned for its reliability and durability, as well as its robust design. Ppt industrial boilers powerpoint presentation free to.
Industrial boilers steam generators closed vessels made of steel and used for generation of steam vaporizing water combustion of fuels eg. From provision of new industrial boiler equipment, through maintenance and supply of replacement boiler spare parts. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. By emphasising sustainable innovation, total efficiency and data analytics, wartsila maximises the environmental and economic performance of the vessels and power plants of its customers. Boiler instrumentation and controls seminar with free download by visiting this link.
The wellproven three pass wetback design is fully compliant with european regulations and delivers outputs of up to 24 tonnes on a single furnace. Ppt industrial boilers powerpoint presentation free to download. Download to get instant access to our premium artist booking agent contract template that is suitable for use when an artist employs an agent to arrange and secure engagements, and to book, manage, and arrange paid work in broadcast, print, and creative media. It is the modified form of a simple vertical boiler. Vertical boiler with horizontal firetubes wikipedia. If feed water temperature is below 140f it also requires an oxygen scavenger. Vessel that heats water to become hot water or steam at atmospheric pressure water volume increases 1,600 times hot water or steam used to transfer heat to a process. Dec 29, 2017 off grid heating prototype copper coil water heater heat exchanger radiant heater duration. A free powerpoint ppt presentation displayed as a flash slide show on id. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Using the star color of the season, electric blue, this template is cutting edge and dynamic. This three pass wetback boiler is designed to comply with european boiler specifications.
In this article we have discussed cochran boiler its working, construction, mountings, advantages, disadvantages, diagram and applications. This comes in dry back, semiwet back and fully wetback options and is most suitable for manual firing of coal, wood or briquettes. Cochran boiler consists of a cylindrical shell with its top in a spherical shape. Asme products, services, and areas for collaboration presented to biotechnology council march 18, 2005 asme overview asme is a 120,000member professional organization focused on technical, educational and research issues of the engineering and technology community asme conducts one of the worlds largest technical publishing operations, holds numerous technical conferences. Learning objectives here is what you will be able to do when you complete each objective. Cochran boiler working, construction, diagram, application. The equipment paid for itself several times over after the first use. A vertical boiler is a type of firetube or watertube boiler where the boiler barrel is oriented vertically instead of the more common horizontal orientation. The water in the boiler should have a ph level of between 7. Cochran training 09 5 day boas course boiler operative accredited training scheme. A water containing vessel in which water is heated under pressure transfer heat from a fuel source oil, gas, coal into steam the steam or hot fluid circulates out of the boiler for use in various process or heating appliances. Cochran boiler it is one of the best types of vertical multitubular boiler, and has a number of horizontal fir tubes.
Triad highly recommends that boiler feed water be treated before it enters the boiler. Mar 04, 2020 boiler or more specifically steam boiler is an essential part of thermal power plant. It is a type of vertical multitubular boiler and has a number of horizontal fire tubes,a internally fired type of boiler. From an architecture website to a simple business, boiler suits every need. In this boiler, the fire tubes are placed horizontally. Cochran are the uks largest manufacturer of steam boiler products supplying to 100 different countries around the world. If ever you want to save yourself from all the stress and timeconsuming way of making this type of contract, these artist templates are what you need. Wartsila is a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets.
Developed in association with the combustion engineering association, gastec and carbon trust, this five day course is designed to provide extensive knowledge of current legislative and environmental requirements. Cochran pipe layout, analysis and drafting for boiler. Internal furnace boiler fire tube boiler packaging boiler this is the conventional three pass smoketube design coalwood fired steam boiler having internal furnace. It is used to discharge periodically a portion of water which contains mud particles and to empty the boiler when necessary for cleaning. Cochran marine thermax a modern version of the cochran boiler. Cochran boiler is modification of simple vertical boiler where heating surface has bin increased by increasing numbers of fire tubes. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Cochran boiler main parts, working, advantages and. Cochran pipe layout, analysis and drafting for boiler who are cochran. To study the constructional features of cochran boiler. Steam boiler working principle and types of boiler. Cochran boiler with its advantages and disadvantages.
Simple cross tube vertical boiler consists of a cylindrical shell surrounding a cylindrical fire box. It is very compact and requires minimum floor area 2. Boiler mountings boiler stop valve provide isolation of steam supply boiler vent valve allow for ventin on filling and emptying ir blowdown valves water quality cont 01 through blowdown expansion system to allow safe expansio and contraction of the boiler explosion doorsdiscs minimise damage in. Guidance on safe operation of boilers edition 1 october 2011 5 of 40 3 legislation boiler systems are required to comply with different legislation, including a number of health and safety regulations, which aim at ensuring that new and existing boiler systems are continually operated and maintained in a. Cochran uk industrial boiler specialists boiler manufacturers. Cochran boiler is a modified form of fire tube boiler which has various fire tubes which exchange heat to water through convection. Cochran steam boiler the wee chieftain is probably the worlds bestknown and most respected industrial boiler. Displaying cochran boiler powerpoint presentations in these type of boiler the hot gases or the flue ppt presentation summary.
Ppt boiler powerpoint presentation free to download id. Asme products, services, and areas for collaboration presented to biotechnology council march 18, 2005 asme overview asme is a 120,000member professional organization focused on technical, educational and research issues of the engineering and technology community asme conducts one of the worlds largest technical publishing operations, holds numerous technical conferences worldwide,and. Heating boiler a boiler operated at pressures not exceeding 1. Cochran steam boiler for larger applications the cochran thermax high volume range offers the right combination of performance and integrity for users worldwide. Off grid heating prototype copper coil water heater heat exchanger radiant heater duration. Cochran has the capability and capacity to manufacture a full range of steam and hotwater boilers up to 30mw in output and with working pressures. Vessel that heats water to become hot water or steam at atmospheric pressure water volume increases 1,600 times hot water or steam used to transfer heat to a. It is used to control the supply of water to the boiler and to prevent the back flow of water from the boiler when pump is stopped. The basic working principle of boiler is very very simple and easy to. A vertical boiler with horizontal firetubes is a type of small vertical boiler, used to generate steam for small machinery.
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