Boiler energy-saving equipment
A technology for energy-saving equipment and boilers, applied in the field of waste heat boilers, can solve the problems of unstable steam production, waste of resources, emissions, etc., to avoid fluctuations in waste heat recovery and utilization systems and waste heat power generation systems, and improve energy utilization.
Pending Publication Date: 2021-12-03
龙科天成(厦门)科技有限公司
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Problems solved by technology
If it is used to produce 1.0MPa steam, because the steam temperature is 180°C, it can be seen that considering the heat transfer temperature difference of the waste heat boiler is at least greater than 20°C, only the third-stage flue gas can be used, and the steam production is unstable, and the fourth-stage flue gas temperature is too high low not usable at all
In this way, a large amount of waste heat resources contained in the four-stage flue gas will be discharged into the atmosphere in vain, which is a great waste of resources
Method used
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Embodiment Construction
[0017] The technical solutions in the present application embodiment will be described in conjunction with the drawings in the present application embodiment. Obviously, the described embodiments are part of embodiments of the present application, but not all embodiments. Based on the embodiments of the present application, all of the other embodiments of ordinary skill in the art without creative efforts shall, should fall within the scope of the present application.
[0018] For application of the present embodiment provides a technical solution clearer, the accompanying drawings described in detail in conjunction with the above-described embodiment.
[0019] Against this background, the present application provides a sinter cooler end ring supplemental combustion machine type integrated waste heat boiler, in the hood above the cooler end of the ring set up on one or more machine type afterburner furnace and having an integrated waste heat boiler in the afterburner furnace up th...
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The embodiment of the invention provides boiler energy-saving equipment which is used at the tail end of a circular cooler of a sintering production line of an iron and steel plant. The boiler energy-saving equipment comprises a first circular cooler section, a second circular cooler section, a third circular cooler section, a fourth circular cooler section, first waste heat equipment, second waste heat equipment and coal gas conveying equipment. The first circular cooler section, the second circular cooler section, the third circular cooler section and the fourth circular cooler section sequentially communicate with each other, the first waste heat equipment is installed on the third circular cooler section, the second waste heat equipment is installed on the fourth circular cooler section, and the coal gas conveying equipment is used for providing coal gas for the first waste heat equipment and the second waste heat equipment. The coal gas is combusted in the first waste heat equipment and the second waste heat equipment to provide heat, so that the temperature of the third circular cooler section and the temperature of the fourth circular cooler section are higher than a preset temperature. The boiler energy-saving equipment provided by the embodiment has the characteristics of saving energy, protecting the environment and improving the energy utilization rate.
Description
Technical field [0001] The present invention belongs to the waste heat boiler, in particular for use in an afterburner ring cooler end sintered steel plant production line, machine type boiler integrated energy-saving equipment. Background technique [0002] Iron and steel metallurgy enterprises are a pillar industry of the country, but also energy-hungry, energy costs account for a large proportion of the product. Currently, metallurgical industry, domestic sintering plant has generally cooler section of the ring for two-stage heat recovery to generate steam for power generation, the energy saving purposes. However, the ring cooler end of the waste heat utilization, due to the lower flue gas temperature (300 deg.] C or less), has been neglected many enterprises. In fact with the continuous development of production technology, sintering productivity increase year by year, so that these two flue gas temperature gradually, resource-rich waste heat recovery and utilization of highe...
Claims
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IPC IPC(8): F27D15/02F27D17/00F22B1/18F22D1/00F22G1/00F23J15/08
CPCF27D15/02F27D17/004F22B1/1892F22D1/00F22G1/00F23J15/08F27D2017/006F27M2003/04Y02P10/25
Inventor 程珩叶文约
Owner 龙科天成(厦门)科技有限公司