fire tube boiler

Steam BoilerBoiler Aircraft TypesThe type of boiler can be distinguished from various kinds of things such as characteristics, work methods, type of pipe and fuel used. Each type of boiler has its advantages and disadvantages, as we have described below:Tube Type Based Boilers (Pipes):1. Fire Tube BoilerIn this boiler has two parts inside, namely the part of the tube which is the place where the combustion takes place and the barrel / barrel containing fluid. This type of fire pipe boiler has the characteristics of producing a low amount of steam and limited capacity.The principle of action: The ignition process occurs in the pipe and the heat generated is delivered directly into the boiler which contains water.Pros: The installation process is quite easy and does not require special settings, does not require large areas and has a low cost.Disadvantages: Having a burning place that is difficult to reach when you want to be cleaned, low steam capacity and less efficient because a lot of heat is wasted.

Fire tube boilerFire tube boilers are designed to transfer hot gases from the heating source and cycle these gases through tubes that circulate through a drum filled with water. This process effectively transfers the heat from the gas into the water, which effectively generates steam.Due to this relatively simple design, fire tube boilers are easy to operate and inexpensive to purchase. With the ability to generate medium to low degrees of pressure, fire tube are exceptionally versatile and able to be configured in a variety of designs. The following information explains some of the most common designs for fire tube boilers.1. Horizontal Return Tubular Fire Tube BoilerAs one of the oldest and most simple designs for industrial boilers,the Horizontal Return Tubular fire tube boilers are still being produced today. It features a shell, a tube sheet on each end of the shell, and tubes that connect both tube sheets.The boiler is mounted above the masonry or steel furnace. Once the combustion products leave the furnace, it's directed through the tubes on the end of the boiler. After going through the tubes, the combustion products leave the other end of the boiler. The combustion products are directed to the chimney or stack.2. Firebox Boiler DesignThe firebox boiler design utilizes locomotive boilers and fire tube firebox boilers. As a one-pass boiler design, the combustion products pass through the locomotive boiler once. Depending on the arrangement of the tubes and baffles, some firebox boiler designs may be a three-pass or two-pass.The most common characteristic of the firebox boiler design is a furnace that may be contained partially in the boiler. The furnace is cooled by water for the majority of its entire surface area.Multi-pass boilers are an extremely common option. These boilers are typically found in colleges, universities, or areas where the system is used to produce steam for space heating or use to create hot water.3. Scotch Fire Tube Boiler DesignThe scotch fire tube boiler design is most commonly referred to as the scotch marine boiler.With this design, the furnace is a big diameter tube located inside of the boiler. The furnace and boiler are circumferenced by water.Some of the larger, older scotch boilers would have two or even three different boilers. However, most of today's modern scotch boilers only have one. Depending on the arrangement of the tubes and baffles, these systems can be two, three, or even four-pass.Systems with four passes are typically recognized as the best option when balancing condensation induced corrosion and economic heat transfer. With every pass through the boiler, heat from the combustion products is transferred to the water located in the boiler. After a certain number of passes, it increasingly becomes economically difficult to extract heat from cooling products of combustion. At the same time, if the combustion products cool too much, the gases for combustion will condense, which can lead to corrosion.

Fire tube boiler boil advantages1.Horizontal design boilerstructure3 Phass Fire tubeso that the boiler is very high efficient so it saves fuel for production costs2. The design of theboiler combustion chamberis low, which increases the level of water safety in the boiler. The possibility of accidents due to lack of water is reduced to a minimum.3. The combustion chamber is designed with a large volume. Fuel combustion is more adequate. And combustion efficiency is improved.4. The relationship between thesmoke tubeand the tube plate adopts an expansion, welding and expansion process to eliminate the gap between the pipe and the residual welding stress. Heat transfer is avoided effectively and high thermal efficiency. At the same time, the heating area increases.Use of a high heat transfer coefficient from the smoke tube, to increase the effect of convective heat transfer, reduce the exhaust temperature, increase the thermal efficiency of the boiler.

Pipa BoilerSelling Benteler Boiler Pipes in Indonesiaselling bentele boiler pipePT. INDIRA DWI MITRA, a steam boiler fabrication and boiler supply and thermalmoil heater quality and high pressure resistant company that is not in doubtBy having a boiler tube stock in Indonesia, now even small quantities of consumer demand can be served at competitive prices. These advantages are owned by pipes. Brand bellows for power generation industries, petrochemicals, refineries and plantations such as palm oil and sugar. Another added value, the stock pipe has been equipped with a certificate that guarantees the quality of our stock pipes and is not necessarily owned by products in other distributor companies.As part of the Benteler Group, one of the international steel distribution and processing companies, is trusted to market the Benteler brand products and also other brands that have been recognized for quality throughout Indonesia.There are three superior products marketed in Indonesia including carbon steel boiler tubes, carbon steel heat-exchanger tubes, and superheater tubes. these three products have differences in terms of material composition, temperature resistance and application usage. For the palm oil industry and sugar factory, these products are generally used in boilers, thermalvoil heater coils and evaporators.Sell ​​Benteler Boiler Pipes in IndonesiaBeing a new player in the palm oil industry, Marine tankers, and industries in general, does not make Pt. Indira dwi partners feel inferior to other companies in similar products.Pt.Indira Dwi Mitra strives for the availability of a very adequate stock because it is supported by an international network of companies. Not only in Indonesia, the company also has stocks in several Asian countries such as Singapore, Thailand and China. "Any request even on a small scale can be met,"In Indonesia, PT. Indira Dwi Mitra has a stock located in Marunda, North Jakarta. The available stock is in the form of carbon steel boiler tubes which are 12.2 meters long and varied in diameter. Whereas in Singapore, there is a stock of carbon steel heat-exchanger tubes measuring 6.1 meters to 15 meters and 12.2 meters of carbon steel boiler tubes. Especially for boiler tubes, European borigin has been completed by Lloyd Certificate.Other services provided by the company are fulfilling ex-mill delivery requests (tubes are produced in advance according to orders). Often there are new unit construction projects or routine maintenance so that it requires a large number of tubes. For such requests, with a network owned by the Benteler Group, PT Indira dwi Mitra can offer more competitive offers, either from the Benteler factory itself or other factories. If taken from another factory, it will be informed in advance and only with consumer approval. "We guarantee the authenticity of the products we send.For PT Indira Dwi Mitra, it is not an easy job to penetrate the boiler tube market in Indonesia. The reason is, this company must compete with other products that have long been circulating in Indonesia, for example products from Japan. Nevertheless, we are optimistic that the company's products will be accepted by consumers because they are superior to the availability of stock and quality assurance according to international standards. Another strategy, PT Indira Dwi Mitra always strives to maintain good relationships and services in order to satisfy the needs of users. With the principle of "customer is the king" PT. Indira Dwi Mitra is ready to become a partner in all your tube needs.For more details, contact usPT. INDIRA DWI MITRAMobile: 081388666204/087808344829WhatsApp / Line: 081388666204

NATURAL GAS FIRED BOILERSFor economic reasons as well as regulations associated with natural gas fired boilers MACT/MATS, natural gas is rapidly replacing coal as the fuel of choice. A majority of the new gas-fired capacity is combined-cycle units that incorporate a combustion turbine and HRSG.There are however, a large number of wall-fired or tangentially water tube utility boilers that were previously burning coal. Wall units have multiple burners on a single wall or opposing walls of the furnace while tangentially fired boilers have vertical spaced rows of burners in each of the four corners of a furnace.What is Natural Gas?Natural gas consists mostly methane (typical >85%) with the balance being varying amounts of ethane, propane, butane and some inert components (nitrogen, carbon dioxide and helium). Average gross heating vale is 1,020 BTU/scf.Emissions while firing Natural GasEmissions while firing natural gas can include nitrous oxides (NOx), carbon monoxide (CO), carbon dioxide (C02), methane (CH4), nitrous oxide (N2O), volatile organic compounds (VOCs) and trace amounts of sulfur dioxide (SO2) and particulate matter (PM).NOxThe principal mechanism of NOx formation while firing natural gas is thermal NOx, which is very different than firing coal with a modern boiler where NOx is mostly fuel NOx. Thermal NOx occurs through the thermal disassociation and subsequent reaction of nitrogen (N2) and Oxygen (O2) molecules in the combustion air which is approximately 78% N2 and 20.9% O2.Most NOx is formed in the high temperature burner zone that is affected by 3 factors:Excess air (Excess Oxygen).Peak flame and furnace temperatures.Time of peak temperature exposure.Carbon Monoxide (CO)Less than optimal combustion efficiency causes high CO levels. Non-optimal boiler tuning, insufficient combustion air, poor airflow distribution, poor mixing in the burner zone or burner mechanical problems are the few things that cause high CO emissions.Volatile Organic Compounds (VOC’s)Less than optimal combustion efficiency will also increase VOC emissions. VOC emissions are minimized with proper combustion that promotes good mixing at the burners. More vigorous and turbulent mixing that promotes higher flame temperatures and longer residence time at high temperature will reduce VOCs but must be carefully balanced with NOx emissions. Trace amounts of VOC species contained in the raw fuel such as benzene and formaldehyde does contribute to VOC emissions with poor or incomplete combustion in the furnace.Particulate MatterBecause natural gas is a gaseous fuel, particulate matter (PM) emissions are low. PM from natural gas is very fine, typically less than (1) one micrometer. Particulate matter while firing natural gas are usually higher molecular weight hydrocarbons that are not fully combusted. Considering this, increases in PM emissions are the result of poor combustion caused by poor mixing, excessive boiler setting air ingress, burner mechanical problems and/or imbalanced combustion air to the burners.Sulfur OxidesNatural gas contains very little sulfur and as a result, produces very low SO2 emissions. The most common additive to add odor to natural gas is Mercaptan (CH3SH : Methanethiol).WHAT TO EXPECT WHEN NATURAL GAS IS FIRED IN A COAL-FIRED BOILER⇧ Furnace exit gas temperature (FEGT) is likely to increaseNatural gas firing flame emissivity is lower than that for coal. This means the furnace water wall absorption is typically lower with natural gas firing. The amount of heat absorbed by the water walls regulates FEGT. When less heat from combustion is absorbed by the furnace water walls, higher FEGT entering the convection pass (AKA back pass) is the result.⇩ Lower Boiler efficiencyDepending on a number of factors including coal properties, boiler efficiency typically ranges between 87% and 89% while firing coal. The boiler efficiency is usually reduced to 84-85%, when a coal fired boiler is converted to natural gas. The biggest change is due to the combustion of Hydrogen.  This is normally a 4% heat loss while firing coal and about a 11% heat loss while firing natural gas. When firing natural gas, other losses such as dry gas loss, moisture in fuel and unburned carbon are lower when compared to coal firing, about 1% for each of these losses.⇔ Airflow and flue gas flow is slightly lower or about the sameNatural gas boilers operate at lower excess air (O2) and a different airflow requirement for stoichiometric combustion. Coal fired boilers normally operate with 3-3.5% O2 (about 20% excess air). Whereas natural gas boilers normally operate at 1-1.5% O2 (about 7% excess air).? Steam and exit gas temperaturesUpon switching from coal to natural gas, heat transfer characteristics of a boiler will be impacted. The characteristics of these impacts are highly dependent on unit design and configuration and are unit specific. Coal contains ash whereas natural gas does not. Ash as well as fouling or slagging deposits on the heating surfaces occurs while firing coal. These deposits do not exist while firing natural gas and the heat transfer in the convection pass can increase by 10% to 20% depending on a number of factors.

DescriptionThe productdesignation IDM stands for "Universal Modular Boiler" (three-pass steam boiler in modular construction). This boiler type consists of several modules, which fulfil your individual requirements perfectly.Cost-effective despite shell boiler and three-pass technologyHigh level of efficiency due to the integrated economizerExtensive basic equipment as standardIntuitive touchscreen operation and PLC controlLittle space required due to small footprintEasy commissioning with pre-parameterised boiler controlEasy wiring on site thanks to plug-in connectionsSUC automatic start-up, standby and shutdown controlSimple installation, because system is supplied as a single unit - the equipment, firing system and economizer are pre-fitted ex worksOverviewThe boiler components are configured with a focus on low emissions, high steam quality and optimum energy efficiency. The boiler's modular construction based on the systematic deployment of design elements and parts that are also used in other type series ensures a very favourable price-performance ratio.The classic areas of application of the IDM  steam boiler are the food and drinks industries, laundries and dry cleaners, and smaller industrial companies.

Fire Tube Boilers are also often called Boiler Pipe Fire. Fire Tube Boiler is usually used for relatively small steam capacity with low to medium pressure, it is due to the characteristics of the Fire Tube Boiler itself, whose characteristic is to produce steam capacity and low pressure. Fire Tube Boiler is competitive for steam speeds up to 12,000 kg / hr with pressure up to 18 kg / cm2. Fire Tube Boiler in its operation using fuel oil, gas or solid fuel. Most Fire tube boilers are assembled by the plant for all fuels.How it works Fire Tube Boiler is quite easy to understand that is because during the ignition process that occurs in the pipe, the heat generated from the ignition will be delivered directly into the boiler that contains water.PT. Indira Dwi Mitra has a team of experts in the fabrication of Fire Tube Boiler for more than 40 Years. Therefore, we always provide the best solutions to meet customer needs in terms of:Boiler Design and EngineeringSpare parts and servicesInstallationCreationApplicationFactory TofuWood factoryCrude Palm Oil Heater (CPO)Ship Fuel Heaters (Residue)EtcFuel Fire Tube BoilerSingle Feul Burner:Gas Burner (Gas)Light Oil Burners (Solar)Heavy Oi Burner (Residue)Dual Feul Burner:Gas-Light Oil BurnerGas-Heavy Oil BurnerFurnaceWoodCoalCoconut shellPalm shellsSelling and manufacturing services of Fire Tube BoilerThermal Oil Heater Horizontal Design PT Indira Dwi MitraThermal Oil Heater Vertical Design PT Indira Dwi MitraAdvantagesIt has a more compact and portable form.The initial investment of fire tube boilers or boiler pipe is cheap.Does not require special settings so the installation process is easy and fast.Save on the place, because it does not require large area for 1 HP boiler.DeficiencyThe pressure of steam operation is limited to a low pressure of 18 bar.Compared with the water tube boiler, the steam capacity is relatively small (13.5 TPH).A lot of heat energy is wasted directly to the stack so that the efficiency value is low.It is difficult to reach the kiln to be cleaned, repaired and inspected.2251/5000Fire Tube Boilers are also often called Boiler Pipe Fire. Fire Tube Boiler itself, whose characteristic is to produce steam capacity and low pressure. Fire Tube Boiler is competitive for steam speeds up to 12,000 kg / hr with pressure up to 18 kg / cm2. Fire Tube Boiler in its operation using fuel oil, gas or solid fuel. Most Fire tube boilers are assembled by the plant for all fuels.How it works Fire Tube Boiler is quite easy to understand that it is in the pipe, the heat generated from the ignition will be delivered directly into the boiler that contains water.PT. Indira Dwi Mitra has a team of experts in the fabrication of Fire Tube Boiler for more than 40 Years. Therefore, we always provide the best solutions to meet customer needs in terms of:Design and EngineeringSpare parts and servicesInstallationCreationApplicationFactory TofuWood factoryCrude Palm Oil Heater (CPO)Ship Fuel Heaters (Residue)EtcFuel Fire Tube Boiler 

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Food Grade Steam Boiler ChemicalChemWorld 3061-F is an All-in-One All-Polymer internal treatment product. ChemWorld 3061-F includes polymer for deposit control, alkalinity builder for maintaining the boiler alkalinity, and sulfite for removing oxygen from the boiler water. ChemWorld 3061-F does not include neutralizing amine which, if required, should be fed in combination with this product to maintain condensate quality. ChemWorld 3061-F is typically used in systems with make-up water that has not been softened. This product can be used in facilities where steam can contact food or edible products and is IDM registered for use in meat and poultry plants.Features and BenefitsImproves boiler reliability and cleanlinessSingle drum product for ease of useUtilizes copolymer for excellent control of hardness and iron depositionPolymer is stable over a wide range of temperatures and pressuresApproved for use in FDA and USDA applicationsProduct Feed and ControlChemWorld 3061-F is fed continuously to the system being treated. The product may either be fed neat directly from the shipping container or mixed in a chemical feed tank using good quality condensate, softened water, or feedwater. Tanks, pumps, piping and valves should be made of stainless steel, polyethylene, or PVC. The sulfite level in ChemWorld 3061-F should be adequate for systems with feedwater temperatures less than 160F, but should be monitored to maintain the recommended residual sulfite concentration. Boiler water "P" alkalinity should also be controlled to the range specified by the technical specialist servicing the facility.Physical PropertiesPhysical properties of ChemWorld 3061-F are shown on the Material Safety Data Sheet (MSDS), a copy of which is available upon request. Storage and HandlingKeep in a tightly closed container. Store indoors. Recommended storage temperature is 50 F - 105 F (10 C - 40 C). Do not reuse container. Dispose of empty container in compliance with federal, state/provincial and local laws and regulations.

Fire Tube BoilerTube Type Based Boilers (Pipes):1. Fire Tube Boiler 1 to 10 Ton / hIn this boiler has two parts inside, namely the part of the tube which is the place where the combustion takes place and the barrel / barrel containing fluid. This type of fire pipe boiler has the characteristics of producing a low amount of steam and limited capacity.The principle of action: The ignition process occurs in the pipe and the heat generated is delivered directly into the boiler which contains water.Pros: The installation process is quite easy and does not require special settings, does not require large areas and has a low cost.Disadvantages: Having a burning place that is difficult to reach when you want to be cleaned, low steam capacity and less efficient because a lot of heat is wasted.2. Water Tube.It has construction that is almost the same as the type of fire pipe, this type also consists of pipes and barrels, which distinguishes only the side of the pipe which is filled with water while the barrel side is where the combustion occurs. The characteristic of this type is to produce a relatively large amount of steam.Working Principle: The ignition process occurs on the outside of the pipe, so that heat will be absorbed by the water flowing in the pipe.Strengths: It has a large steam capacity, relatively higher efficiency and the furnace is easy to reach when it is cleaned.Disadvantages: The initial investment cost is quite expensive, requires a large area and requires additional components in terms of handling water.