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Domestic hot water and heating series: gas hot water boiler, vacuum hot water boiler, vertical atmospheric pressure hot water boiler, electric hot water boiler Factory use, high temperature steam: wns fuel gas steam boiler, szs water tube steam boiler, vertical steam boiler, electric steam boiler
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Recovery Boiler Smelt Spout -Types Of Horizontal
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
boiler. picture-1_smelt-spout-robot_pulp-and-paper (1). Ask Price View More; Pulp and Paper Boiler Systems | Boiler Industries | NBS. Pulp & Paper Mill boilers and recovery systems are designed to utilize waste by-products to fuel their power needs. These systems often rely on biomass fuel . Ask Price View MoreGet Price
In kraft recovery boiler operation, molten smelt (that consists mainly of Na 2CO 3and Na 2S, and small amounts of Na 2SO 4, NaCl and potassium salts) …Get Price
Horizontal units are often supported from vertical hanger tubes. This support system is attached by welding directly to the bend from the vertical to horizontal section. Water Tube Smelt Spout Openings We recommend periodic inspection and replacement of …Get Price
CN202371732U Furnace bottom structure of boiler : 08/07/2012: CA2663738C Smelt spout enclosure for chemical recovery boilers : 08/01/2012: CN202361390U Boiler slag remover controlled by frequency Get Price
Nov 20, 2008 · [0050]Referring to FIG. 10B, a side sectional view of a cleaning system in accordance with the invention as installed at a recovery boiler, taken along line 10B-10B of FIG. 10A, in this configuration, a rapping device 50 is mounted to the dog house 52, in a position above the smelt spout the purpose of knocking solidified smelt from the Get Price
Sep 11, 2013 · Vacuum Evaporator unit is a process aimed at concentrating the waste in the leaching pulp Pulp Making (Black Liquor) by evaporation of water from the Black Liquor using steam. Black Liquor with a high content of total solid fuel will be used in the Recovery Boiler.Get Price
Oct 29, 2009 · [0010]In an embodiment of the invention smelt is sucked with a smelt eductor from a furnace of a soda recovery boiler into a smelt spout, either directly or through the smelt spout into a smelt tank or a dissolving tank, or into another collection system. Said smelt to be sucked may be salty smelt or wash water, for example.Get Price
A single boiler may have as many as six or as few as two smelt spouts. The spouts are trough shaped, typically 3-feet in length, about 6-inches inside width …Get Price
(0.1 L/s) is representative of the smelt flow encountered under normal recovery boiler conditions; 0.2 L/s is more representa - tive of heavy smelt flow. Different water-glycerine solutions were used to obtain liquid viscosities of 1, 2.5, 10, and 50 cP, where 3-5 cP is typical of recovery boiler smelt at 800°C-850°C [3].Get Price
smelt spout with replaceable inner spout The invention relates to a smelt spout of a recovery boiler for directing hot smelt material out from the inner part of the boiler. The smelt spout comprises as separate parts a body (2) and a replaceable wear part, i.e. an insert (6), cGet Price
The latter cannot easily be contained in a "controlled odor" recovery system that does not have a direct contact evaporator. 2. With a hotter bed, smelt spout pluggage is less of a problem. The unplugging of spouts in an active furnace is a potentially dangerous activity.Get Price
The Gotaverken Recovery Boiler proces 210 TSS of black liquor/day, 28 Ton/h of steam at 60 barg. The evaporation plant has 5 evaporators and 3 concentrators, to achieve a black liquor with a solid content of 72%. The Causticizing plant capacity is 45 Ton/day as Calcium oxide, with an horizontal lime kiln.Get Price
Gases exiting the waste heat boiler enter a plenum chamber for mixing prior to treatment in an electrostatic precipitator (ESP). The reverberatory furnace electrostatic precipitator consists of two independent horizontal parallel units designed …Get Price
May 01, 2012 · Techno-economic comparison of boiler cold-end exhaust gas heat recovery processes for efficient brown-coal-fired power generation Youfu Ma, Lijuan Yang, Junfu Lu, Yufeng Pei EngineeringGet Price
During periods of spout pluggage, the recovery boiler bed and furnace should be carefully observed to avoid accumulation of large smelt pools and until normal bed conditions are achieved. When the unit is down and contains a full bed, the bed will need to be burned out prior to further operation.Get Price
Techno-economic analysis of a novel hot air recirculation process for exhaust heat recovery from a 600 MW brown-coal-fired boiler Highlights•A novel hot air recirculation (HAR) is proposed for boiler exhaust gas heat recovery.•The thermo- and techno-economic performance of the HAR is analyzed with a case study.•The HAR is featured with a reliable operation and long lifespan for …Get Price
recovery boiler has features similar to power boilers along with efficient recovery of the cooking chemicals. In older recovery boilers, economizers were of cross-flow type (horizontal) and equipped with finned tubes. These stainless steel outer layer of tubes that formed smelt spout openings and, subsequently, in composite floor tubes. ByGet Price
US5771817 Recovery boiler : 06/25/1998: WO1998027384A1 Method in a boiler, particularly a chemical recovery boiler : 06/25/1998: WO1998016682A3 Process for the co-production of dissolving-grade Get Price
air conditioning accounting adverb aggregates airport architecture automobile bridge blasting building boiler blacksmithing bucket brickwork cable carpentry construction equipment chemistry cast iron centimeter(s) commercial concrete construction crawler cement cubic cableway dry dock derrick Diesel diameter drafting earthwork electrical Get Price
A cleaning unit for smelt spouts of a recovery boiler. A motorized cleaning member is configured to clean smelt spouts of a recovery boiler. A motorized transfer device is configured to transfer the cleaning unit from the location of a first smelt spout to the location of a second smelt spout.Get Price
Sketch of the lowrr furnace of a decanting-heanh recovery 7 boiler (Adams et al., 1997) Lower furnace arrangement with composite tube wall 8 construction (Adams et al, 1997) Schematic diagrams of char bed near a smelt spout in slanted- 11 floor and decanting-hearth recovery boilers (Adams et al.. 1997).Get Price
In older recovery boilers, economizers were of cross-flow type (horizontal) and equipped with finned tubes. These were extremely sensitive for fouling and plugging and had to be located after the precipitators. However, those had to be cleaned after 1-4 weeks operation. Either water or falling shots were used for cleaning the economizers.Get Price
2eq (Zurich, cold back-up configuration). The life cycle performance of the system was compared to that of a conventional plant with a vapor compression chiller and a gas boiler. The innovative plant had a lower environmental impact than the conventional plant. Energy and CO 2eq emission payback times and the energy return ratio of the system,Get Price
ð•The spout cooling system is of vacuum type using demineraliseded water as cooling medium. This system prevents chances of explosion due to smelt water contact as compared to conventional pressurized cooling system. Graph-1, Combined steam economy for FFE-1 and 2 Graph-2, Average Steam generation in Recovery Boiler 1 and 2Get Price
associated with an unscheduled boiler shutdown, and even . Figure 1. A smelt stream from the bottom of the recovery boiler is shattered by a steam jet before falling into the dissolving tank. Figure 2. A smelt spout viewed (a) from the front, (b) from above. Note that these pictures do not illustrate shattering, as the shatter jets are locatedGet Price
Techno-economic comparison of boiler cold-end exhaust gas heat recovery processes for efficient brown-coal-fired power generation. An important way to increase power plant thermal efficiency is to recover exhaust gas heat at the boiler cold-end with the stepwise integration of a steam turbine heat regenerative system. To this end, there are Get Price
The floor of a black liquor recovery boiler at a mill in central Canada has experienced cracking and negative relative to horizontal where the slope should actually be + 5.7", which is the slope used on this boiler by the sensors located near the spout wall in front of the smelt spout openings. An example showing one of theGet Price
CN202371732U Furnace bottom structure of boiler : 08/07/2012: CA2663738C Smelt spout enclosure for chemical recovery boilers : 08/01/2012: CN202361390U Boiler slag remover controlled by frequency Get Price
Examples of both kinds of cracking are shown in Fig. 1 on a tube from a Scandinavian recovery boiler. This tube section was located near the edge of the floor in the region where the near-horizontal floor tubes change to a vertical orientation to form the boiler walls. Shown on the surface of the tube are parallel cracks that are roughlyGet Price
Sep 15, 2016 · Recovery boiler mempunyai 3 smelt spout yang posisinya pada bagian bawah dari furnace yaitu pada smelt opening dar furnace. Temperature dari smelt yang tinggi (850-900 0) mengalir melalui smelt spout. Maka smelt spout perlu di dinginkan dengan air secara terus menerus yaitu yang di supply dari smelt spout cooling water system.Get Price
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