Product thermal capacity: 4-35 t/h
Working pressure: 1.0-2.5 MPA
Outlet temperature: 184-350 ℃
Available fuel: natural gas, coke oven gas, bio-gas，liquid propane gas, diesel, heavy oil, light oil, crude oil
Available industries: Petroleum, chemical, chemical fiber, pharmaceutical, textile printing and dyeing, building materials, wood processing, vegetable oil processing and other industries
fire tube gas boiler vs water tube gas boiler have a three-pass round coil structure. A conical coil is used for the effective protection of the furnace wall at the boiler end. This product is equipped with an advanced combustion device and is fully automated in operation. After the burner ignites the fuel, flame fills the round coil tubes and transfers heat by radiation through the tube wall (first pass). The high temperature flue gas gathers at the back door and then turns to the convection tubes section (second pass), where heat transfer takes place by convection. The flue gas gradually cools down here and flows to the front door, where it is reversed and goes into the third pass. After that, it enters into the chimney through the economizer and is released into the atmosphere.
fire tube gas boiler vs water tube gas boiler.This type of heater is delivered as a whole, and is installed on site, it only needs to connect thermal gas(oil) piping and electricity to start operation. The heater has four heating areas: furnace radiation heating area, the first convection tube bundle heating area, the second convection tube bundle heating area and economizer (waste heat boiler).
Industrial Boiler & Mechanical proudly sells new 3 pass firetube boilers from Johnston Boiler Company, but also has the expertise to provide on-site or in-house service and repair for 3 pass boilers from other manufacturers as well.
Fire Tube Gas Boiler VS Water Tube Gas Boiler- . 2019-4-8 · While we see the boiler usually falls into two types: fire tube boiler and water tube boiler, so we also have two types of gas fired boilers to choose. Fire tube gas fired boiler. In a fire tube boiler, the flue gas travels through the tubes, which are surrounded by hot water. Get
The firetube boiler passes combustion gas inside a series of tubes surrounded by water in a vessel to produce steam, while a watertube instead sends water through a series of tubes surrounded by combustion gas used to transfer heat energy and produce steam. Here are a few key differences between the two:
Titanium Stainless steel condensing fire tube boilers are custom manufactured to suit your needs. Achieve net efficiency above 107% with our boilers. Enquire now!
Boiler stack economizer in general is a form of heat exchangers that separates between hot fuel gas and water [15-18]. Figure 1 shows the structure of economizer in fire-tube steam that allows the recycle usage of excess heat from exhaust .
Water Tube Boiler. It is a boiler in which the water is present inside the tubes and the hot flue gases surrounds the tubes. Since the water is present insides the tubes hence these boilers are called water tube boiler. High pressure steam is produced by these boilers. The pressure of the steam is about 165 bar.
The outdoor reset senses outside air temperature and readjusts the heating system water to satisfy the heat loss of the home, saving fuel and creating comfort. This unit also has an indirect water heating integration option, allowing the user to control the water heating through the boiler system to give domestic hot water priority.
20 ton bi-drum water tube gas boiler. Water tube gas and oil boilers 6 ton to 130 ton: It is obvious that the capacity of a water tube boiler is larger than that of a fire tube boiler, and water tube boilers have wider applications. The gas and oil water tube boiler manufactured by ZG Group can be divided into two series: SZS and ZG.
Difference Between Fire Tube Boiler And Water Tube Boiler 2017-06-28 17:30:04 What is a water tube boiler or fire tube boiler. A water tube boiler runs off of water tubes that are heated externally by fire. The tubes connect to a steam drum and a mud drum, and steam is produced in the upper drum.
What is Fire Tube Boiler: A boiler in which flames and hot gases produced during combustion pass through the tubes and water flowing outside the tube called fire tube boilers. Fire tube boiler is the most predominant boiler used for heating, commercial and industrial applications. These boilers are suitable for clean fuels such as oil and gas.
An external energy management system is installed that reduces the boiler water temperature as the heating load decreases. This boiler is not used for any space heating. This boiler is part of a modular or multiple boiler system having a total input of 300,000 BTU/hr or greater. This boiler is equipped with a tankless coil.
Water tube boilers represent one of a number of pressurized equipment options used to convert water into steam under controlled conditions. Water passes through boiler tubes while the combustion gases remain on the shell side, passing over the tube surfaces. II Applications
The water-tube boiler may just result in a tube leak, which can be easily contained. Conclusion. Water-tube and fire-tube boilers are complete opposites in terms of the location of the water relative to the hot gases resulting in water-tubes boilers being inherently more efficient in terms of the heat transfer.
In emergency mode the exhaust gas boiler can therefore be operated with low water level and even without water with the full exhaust gas flow through the boiler tubes, provided the boiler is operated depressurised and the inside temperature does not exceed 400˚C. For inside inspection, the boiler is arranged with both hand holes and manholes.
Water tube boilers: In water tube boilers, water and steam flow inside the tubes and the hot gases flow over the outside surface. Modern high capacity boilers are of water tube type. The boiler circulation system is constructed of tubes, headers, and drums joined in arrangement that provide water flow to generate steam.
New gas-fired appliances in particular have a technological efficiency milepost that must be considered. Specifically, the traditional tube/ribbon gas burner dry base boilers vs. the new condensing technology based low-mass boilers. These have a significant efficiency increase of 10+% in AFUE Efficiency Rating.
All these boilers have large water capacity and are often known as tank boilers. We will learn about fire tube boiler parts in the sections below. Types of Firetube boilers. Package boilers. Most of the fire tube boilers now come in a complete package.The main parts of the package are : oil burners; fuel pump; forced draft fan; feed pump
Boiler efficiency and combustion efficiency - All boilers operate under the same fundamental thermodynamic principles and therefore, just like any other piece of thermal transfer equipment, knowing the log mean temperature difference (LMTD), in this case, between the furnace temperature and the flue gas outlet then the theoretical efficiency
However, safety should always be a top priority with steam boilers, and in that respect, water tube boilers are the better option. The feature that makes water tube boilers so much safer is the volume of water in them. In a water tube boiler, specifically, ones designed by Miura, the boiler contains a minimal amount of water at any given time.
Meaning if the pressure drops on a fire tube boiler, it takes longer to come back up than on a similarly rated water tube boiler. Fire tube boilers typically have lower operating and maintenance costs, have easier access to the fire and water sides for inspections, and its much easier to replace tubes on a fire tube than a water tube.