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chain grate stoker used in boiler firing -Industrial boiler
HOT
Capacity:1-20t/h
Rated thermal efficiency: 100-104%
Fixed working pressure: ≤1.6MPa
Applicable fuel:natural gas etc.
HOT
Capacity:0.7-14MW
Rated thermal efficiency:96-98%
Fixed working pressure:≤1.25MPa
Applicable fuel:Natural gas, light oil, etc.
HOT
Capacity:0.7-2.8Mw
Rated thermal efficiency: 97.2-106%
Fixed working pressure:0.1MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:2.8-7.0Mw
Rated thermal efficiency:≥105.5%
Fixed working pressure:-0.02MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:99Kw
Rated thermal efficiency:97.2-104.4%
Fixed working pressure:1.0MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:0.5-4.0 t/h
Rated thermal efficiency:98%
Fixed working pressure:≤1.25MPa
Applicable fuel:electric energy
China 4ton Energy Saving Fire Tube Gas Oil Steam Boiler, Find details about China 4ton Boiler, Gas Boiler Price from 4ton Energy Saving Fire Tube Gas Oil Steam Boiler - …Get Price
the boiler over the grate. The feeding is done from a hopper. Traveling chain grate or rocking or reciprocating parallel bars actuated by means of various devices carry the coal from the feeding mechanism at the front end to an ash chamber in the rear. The earliest form of Mechanical stoker was probably the one patented in 1785 by James Watt.Get Price
Sep 25, 2010 · The potential for energy saving depends on the type of boiler installed and the fuel used. For a typically older model shell boiler, with a flue gas exit temperature of 260 °C, an economizer could be used to reduce it to 200 °C, increasing the feed water temperature by 15 °C. Increase in overall thermal efficiency would be in the order of 3%.Get Price
12. Which of the following boiler utilizes the combination of suspension firing and great firing a) traveling grate stoker boiler b) packaged boiler c) spreader stoker boiler d) pulverized fuel boiler 13. Which of the component is common to supercritical boiler and …Get Price
Hamada Boiler. PRINCIPLE OF FLUIDIZATION. When a bed of fine particles, for example sand, is subjected to an upward stream of air, the particles become suspended as the airflow reaches a certain velocity. This condition is referred to as the minimum fluidizing velocity and it varies according to the particle size and the depth of the bed.Get Price
FIRE-TUBE 3-Pass BOILER 2.2. STOKER The stoker base is constructed of mild steel with factory installed chain grate. Chain grate is made of hundreds of individual chain links that are cast from a high heat resistant alloy cast iron. The links of theGet Price
Oct 30, 2019 · In this type of coal stoker, bituminous coal is fed into the boiler in both suspension and on the grate. It is also known as an overfeed stoker or a sprinkler stoker. What is a spreader stoker? 200. This is when large amounts of water is passed to the steam lines. This is a dangerous condition that can cause water hammer.Get Price
The selection of firing method adopted for a particular power These types of stokers are used for largecapacity boiler installations It operates in a manner similar to that of chain grate stoker except that the fuel bed movement are accomplished by vibration. The vibration and the inclination of the grate causeGet Price
The stoker structure has been designed to support the boiler pressure parts. Special sidewall and rear wall seals are available which eliminate the need to install refractory at grate level. Coal reactivity and biomass fuel moisture content are two of the many parameters which are used to select optimum stoker ratings.Get Price
Stoker Firing System • A stoker is a power operated fuel feeding mechanism and grate. • The term stoker implies a boiler that automatically feeds (or " stokes") the boiler. • Stoker coal size is typically 1.25 inches. Stoker Firing System Advantages: • Low grade fuel can be used. • High efficiency • Smokeless combustion.Get Price
In Thailand who is known as the world top rice producer, huge rice mills are equiped with rice hull firing boiler with steam turbine to generate own electric power from rice husk, their own by-product. There are mainly two (2) system of combustion for rice husk. One is known as Yoshimine Boiler design of Inclined moving step grate where rice Get Price
the basic principle of boiler stocker 3working principle of chain grate stoker used to burn coal in boiler 28 Jul 2016 The manual will explain general principles of boiler operation and will . wood as a primary fuel, rather The basic principle of spreader Stoker.Get Price
Methods of Firing Steam Boiler | Electrical4UGet Price
The firing equipment's consist of mechanical air spreader stoker, reversed travel grate, wood distributing device and forced draft system.Louver chain grate with dimension as required in the main firing equipment of this boiler.Get Price
Answer (1 of 2): The only ones I have come across have been with steam, with a lance entering the space between the tubes. They were reasonably effective at keeping the gas side clean, but not so. I remember on passenger ships in the 60s that it was a pretty awful job up in the uptakes sootbGet Price
The CAD stoker (Figure 4) is very versatile and can be used for a wide range of solid fuels including coal, woodchips and bagasse. The grate surface of a CAD stoker consists of castings that are joined by chains. The grate bars are linked to the chain to form a moving grate surface that continuously discharges ash.Get Price
The Number 4 Boiler at Talisman Sugar Corporation is a traveling grate stoker design used primarily for bagasse fuel firing. Supplemental oil firing may also be utilized but was not used during the emission test series. The Boiler averaged 114,950 pounds per hour (IbslHr) steam production over the test run period.Get Price
Classification of Boiler Draught: Natural, Artificial, Steam Jet and Mechanical. Draught may be defined as the small pressure difference which causes a flow of gas to take place. In case of a boiler the function of the draught is to force air to the fire and through a boiler furnace and flue, and to discharge the products of combustion to Get Price
Coal Fired Chain Grate Stoker Boiler bar. 1-20t/h Chain Belt Grate. 2-40t/h Small Scale Grate. 10-50t/h Large Scale Grate. 2-80t/h Reciprocating Step Grate. 10-120t/h Crossgirder Grate. The chain grate stoker is a mechanization equipment applied mostly in steam boiler, hot water boiler and thermal oil boiler. Read MoreGet Price
Nov 22, 2019 · Hand Firing. Mechanical Stroke Firing Smaller size boiler can be operated by hand firing system. This system was commonly used to drive coal engine locomotive in past. Here, coal chips are put into the furnace frequently by shovels. Mechanical Stoker FiringWhen fuel i.e. Coal is put into the by means of a mechanical stoker, the firing of boiler Get Price
Aug 12, 2019 · The output of a 1 ton boiler is 700,000 kcal, and so on. The output of a 10 ton boiler is 7 million kcal. Second, the fuel consumption calculation formula. Fuel consumption = boiler output ÷ fuel calorific value ÷ boiler thermal efficiency. According to the above method, the user can calculate the gas consumption of the gas steam boiler Get Price
Figure (3.2) Boiler Room Schematic 39 Figure (3.3) Fire Tube Boiler 40 Figure (3.4) Water Tube Boiler 41 Figure (3.5) Packaged Boiler 42 Figure (3.6) Chain Grate Stoker 44 Figure (3.7) Spreader Stoker 45 Figure (3.8) Tangential Firing 46 Figure (3.9) Fluidized Bed Combustion 47 Figure (4.1) Schematic Diagram for Under Floor HeatingGet Price
Apr 16, 2021 · Calculate the daily consumption of the above-mentioned 4-ton gas boiler. Gas volume 7680 cubic meters* (1.8-3 yuan) = 13824-23040 yuan. How gas boilers are …Get Price
The Moss reciprocating grate combustion system is used for burning waste wood materials such as bark, sawdust, wood shavings, plant trimmings, lumberyard waste and sanderdust and also various biomass fuels. This grate design can be used on our hybrid, watertube, A - type, HRT, firebox or field erected watertube boiler systems.Get Price
Oct 30, 2019 · In this type of coal stoker, bituminous coal is fed into the boiler in both suspension and on the grate. It is also known as an overfeed stoker or a sprinkler stoker. What is a spreader stoker? 200. This is when large amounts of water is passed to the steam lines. This is a dangerous condition that can cause water hammer.Get Price
2 May 2018 Chain-grate or travelling-grate stoker; Spreader stoker boiler As grate moves along the length of the boiler furnace, the coal burns before A coal grate is used to control the rate at which coal is fed into the furn READ MORE working principle of chain grate stoker used to …Get Price
c) stoker fired boiler d) chain grate boiler 42. The type of firing used for a pulverized coal fired boiler is a) over firing b) tangential firing c) vertical firing d) mixed firing for effective heat transfer 43. The percentage raise in boiler efficiency by …Get Price
Oct 31, 2013 · As coal is a cheap fire material, and coal fired boiler is still very popular used in many industry. Here this article will say something detail about how to improve the efficiency of a coal boiler. In high capacity pulverized coal fired boilers, the total losses account to about 12 to 14%, i.e. 86 to 88% boiler efficiency.Get Price
performance of the stirling Boiler installed in 1958 at their Riche en eau factory. Management wished to raise the capacity of the boiler to cater for increased throughput and to mechanise de-ashing. Modifications to upgrade the boiler from 30 to 45 t/h included the design, supply and delivery of: A modified furnace A dump grate stokerGet Price
With coal firing: Loss occurs as grit carry-over or carbon-in-ash (2% loss). Example :In chain grate stokers, large lumps will not burn out completely, while small pieces and fines may block the air passage, thus causing poor air distribution. Increase in the fines in pulverized coal also increases carbon loss. How to control the unburnts ?Get Price
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