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Multi-hearth three-dimensional circulating combustion boiler

A three-dimensional circulation and furnace technology, applied in the direction of solid fuel combustion, combustion equipment, fluid heaters, etc.

Inactive Publication Date: 2012-10-03
李仕清
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention is proposed in view of the above problems, in order to provide a newly invented recyclable combustion boiler, which can make the flue gas and dust after the primary combustion enter the furnace again, and use the high temperature of the furnace and air to carry out secondary combustion. After desulfurization, no Pollution emissions, especially solving the world problem of pollution-free emissions in waste incineration power generation

Method used

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  • Multi-hearth three-dimensional circulating combustion boiler
  • Multi-hearth three-dimensional circulating combustion boiler
  • Multi-hearth three-dimensional circulating combustion boiler

Examples

Experimental program
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Effect test

Embodiment approach 1

[0022] Such as figure 1 The shown first embodiment of the present invention is a movable multi-furnace three-dimensional circulation combustion boiler, including two independent vertical furnaces 5, 5', feeders 2, 2', smoke return chambers 10, 10', fans 21, 21' smoke return machines 18, 20, three-way reversing valve 17, 17' smoke exhaust fan 16, etc., in the furnace 5 on the left side A, the motor 26 drives the small wheel 28 to rotate through the transmission device to move the furnace 5 to the feeder. Below the feeder 2, the motor 11 drives the grate 9 to rotate through the transmission device to drop the ash into the ash cart 13. The ash cart is placed on the guide rail 14, and the motor 3 of the feeder 2 drives the hollow turbofan wheel 4 to rotate through the transmission device. Make the fuel stored on the hollow fan-shaped stocker 29 fall into the furnace 5 below, and the motor 26 drives the furnace 5 to reset to align with the furnace bottom 1 to burn and discharge smo...

Embodiment approach 2

[0025] Such as figure 2 , 3 The furnace fixed multi-furnace three-dimensional circulation combustion boiler shown in the second embodiment of the present invention includes two independent vertical furnaces 5, 5', feeders 2, 2', smoke return chambers 10, 10', fan 21, 21' smoke return machine 18, 20, three-way reversing valve 17, 17' smoke exhaust fan 16, etc., in the left A furnace 5, the motor 11 drives the grate 9 through the transmission device to rotate the ash to the ash truck 13 Among them, the motor 3 of the feeder 2 rotates through the transmission device to drive the hollow turbofan wheel 4 to rotate, so that the fuel stored on the hollow fan-shaped stocker 29 falls into the lower furnace 5, burns and discharges the smoke through the smoke exhaust pipe 19 enters the three-way reversing valve 17. At this time, the three-way reversing valve 17 closes toward the exhaust fan 16 and communicates with the smoke return fan 18, enters the smoke return chamber 10' of the B f...

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Abstract

The invention provides a multi-hearth three-dimensional circulating combustion boiler which has the advantages of full combustion, no pollution emission, energy saving and consumption reduction during the use. The multi-hearth three-dimensional circulating combustion boiler comprises a plurality of three-dimensional hearths and at least one boiler with a plurality of spaces for accommodating the hearths and is characterized in that the bottom of each hearth is provided with a rotating boiler bar, a smoke return chamber is arranged below the boiler bar and is externally provided with a smoke return fan, a fan is arranged outside the hearths, a smoke exhaust pipe of each hearth is connected with a gas exchange device in which the smoke exhaust pipe is located, each gas exchange device is provided with an inlet connected with the smoke exhaust pipe, outlets of the exchange devices are respectively communicated with smoke return fans and smoke exhaust fans at the other side and are controlled by a valve to ensure that smoke exhaust from the hearth A newly added with fuel enters the hearth B without smoke and is mixed with air for secondary combustion by using high temperature of the hearth and then discharged into air by the smoke exhaust fan of a three-way change valve at the smoke exhaust pipe through a smoke exhaust cylinder. Two or more hearths are combusted in two times or more times through function conversion without pollution emission.

Description

Technical field: [0001] The invention relates to a multi-furnace three-dimensional circulation combustion boiler, which is used for steam and hot water production in industrial production and civil heating. Background technique: [0002] At present, all boilers use single furnace and grate technology. In use, the flue gas still cannot carry out fundamental secondary combustion. Although some boilers have added dust removal and sulfur removal devices, there are still A large number of combustible gases and particles not only cause environmental pollution, waste resources, but also increase production costs. The exhausted smoke must be treated by special equipment, so the efficiency is very low, and the waste of environmental pollution and resources is very serious. Invention content: [0003] The present invention is proposed in view of the above problems, in order to provide a newly invented recyclable combustion boiler, which can make the flue gas and dust after the prima...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23B10/00F22B1/00F24H1/00
Inventor 李仕清
Owner 李仕清