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Organic heat carrier circulating fluidized bed boiler

A circulating fluidized bed and carrier technology, applied in fluidized bed combustion equipment, heat storage heaters, fluid heaters, etc., can solve the problems of easy leakage of organic heat carrier, difficulty in meeting process temperature, and large wear of heating pipes , to achieve the effect of prolonging the service life, reducing the air excess coefficient and improving the thermal efficiency

Active Publication Date: 2016-12-07
QUANZHOU HENGXING ENERGY SAVING TECH CO LTD
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology converts waste heat into organic heat carrier heat. Due to the low temperature of waste heat flue gas and the temperature difference, the thermal temperature of organic heat carrier is lower, and it is difficult to meet the required process temperature.
However, the flue gas of circulating fluidized bed boiler has high dust content and high flow rate, which will cause great wear and tear on the heating tube, and the organic heat carrier is easy to leak and cause fire. It is rare for circulating fluidized bed boiler to provide heat for organic heat carrier

Method used

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  • Organic heat carrier circulating fluidized bed boiler
  • Organic heat carrier circulating fluidized bed boiler
  • Organic heat carrier circulating fluidized bed boiler

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Embodiment Construction

[0021] The device will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] The invention is attached figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 As shown, an organic heat carrier circulating fluidized bed boiler is characterized in that it includes a circulating fluidized bed furnace body assembly 5 , a high-temperature flue gas settling purification chamber 11 , and an organic heat carrier heat exchange system 13 .

[0023] The circulating fluidized bed furnace assembly 5 includes a slag falling pipe 1, an equal pressure air box 2, a feeder 3, an air distribution plate 10, a furnace 4, an air-cooled wall 8, a high-temperature separator 6, a smoke duct 7, and a return material Device 9.

[0024] The high-temperature flue gas settling clean room 11 includes a clean room body 21 , an ash removal port 12 , a high-temperature flue gas inlet 15 , a clean hot air outlet 17 , and a high-temperature ...

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Abstract

The invention relates to the technical field of energy-saving industrial boilers, in particular to an organic heat carrier circulating fluidized bed boiler. The organic heat carrier circulating fluidized bed boiler is characterized by comprising a circulating fluidized bed boiler body assembly, a high-temperature flue gas sedimentation purification chamber and an organic heat carrier heat exchange system. According to the organic heat carrier circulating fluidized bed boiler, the universal problem that heating surface metal is scoured by high-speed flue gas carrying particulate matter and abraded in the industrial boiler technical field is solved, an organic heat carrier can be used as a heat carrier medium, and meanwhile, the service life of related industrial boilers is greatly prolonged.

Description

technical field [0001] The invention relates to the field of energy-saving industrial boilers, in particular to an organic heat carrier circulating fluidized bed boiler. Background technique [0002] Industrial boilers are important thermal power equipment. Nowadays, they are more and more restricted by energy policies, energy conservation and environmental protection requirements. It needs heat such as hot air, steam, organic heat carrier, and organic heat carrier heat is valued because of factors such as cycle heating, constant temperature, high heating temperature, energy saving, etc., but due to the flammable and explosive characteristics of organic heat carrier Fluidized bed boilers are used because the heated metal pipe fittings are easy to wear in the high-velocity dust-laden flue gas, which leads to the leakage of organic heat carrier and causes safety accidents. The wear of heated metal pipe fittings is a common problem that engineers and technicians in the field st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C10/10F23C10/18F23C10/26F24H7/00
CPCF23C10/10F23C10/18F23C10/26F23C2206/10F23C2900/10002F24H7/00
Inventor 王振泉杨松
Owner QUANZHOU HENGXING ENERGY SAVING TECH CO LTD
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