Boiler with low ash melting point coal using horizontal front furnace
A front furnace, ash melting point technology, applied in the boiler field, can solve problems such as furnace slagging, exhaust gas temperature rise, boiler operation instability, etc., to achieve the effect of reducing cleaning and safe and reliable transmission
Active Publication Date: 2019-06-04
北京智诚环保工程有限公司
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Problems solved by technology
However, when the existing pulverized coal boilers burn low-ash melting point coal, the furnace slagging phenomenon is serious, and the furnace has to be shut down frequently to remove slagging, so that the boiler cannot operate normally, resulting in unstable operation of the boiler, an increase in overheated temperature, and even exhaust The problem of rising smoke temperature
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0026] In describing the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "surrounding" etc. Indicating orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a sp...
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The invention discloses a boiler adopting a horizontal expansion furnace and using low-ash-fusion coal for combustion. The boiler comprises a slag conveying device. The slag conveying device comprisesa slag conveying plate and a moving mechanism. The bottom surface of the slag conveying plate is a tooth surface. Tooth surfaces are evenly distributed on the circumferential side of a rotary wheel in the circumferential direction. A second gear is engaged with a first gear and the rotary wheel. A first bevel gear is fixed to the surface of the first gear. A gear column is movably installed on the surface of an installation base. A second bevel gear is fixed to the surface of the gear column. The second bevel gear is engaged with the first bevel gear. The gear column is engaged with the toothsurface of the slag conveying plate. The invention discloses a furnace slag removal device. The furnace slag removal device can gather the furnace slag located nearby a slag bath in a scattered manner to the periphery of the slag bath, and the workload of a maintainer for cleaning the position nearby the slag path is reduced. Because a mechanism with gear and rack engagement is adopted, the moving distance of the furnace slag can be accurately controlled. Transmission is safe and reliable.
Description
technical field [0001] The invention belongs to the technical field of boilers, and in particular relates to a boiler which adopts a horizontal front furnace to burn coal with low ash melting point. Background technique [0002] Coal-fired industrial boilers, as thermal equipment widely used in various fields of society in our country, have made some progress in equipment technology and operation management in recent years, but the overall situation of inefficiency and extensiveness has not changed. The main reasons for the analysis are fuel quality, There are many reasons for combustion and equipment level, pollution control and monitoring, operation management, etc., but the core is the problem of combustion and equipment technology progress. Pulverized coal combustion technology has the advantages of high burnout rate and small heat loss of flue gas, and is currently the leading combustion technology for large coal-fired power generation boilers. At present, there are ab...
Claims
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IPC IPC(8): F23J1/06
CPCF23J1/06F23J2700/002
Inventor 郭磊郎鹏德王欢王民发赵景高岩董占松
Owner 北京智诚环保工程有限公司