Biomass double square coil pipe heat conduction oil furnace

A heat-conducting oil furnace and biomass technology, applied in the boiler field, can solve the problems of small heating area, high heating efficiency, and low heat transfer system, and achieve the effects of improving heat transfer efficiency, reducing heating temperature, and increasing heating area

Inactive Publication Date: 2015-06-10
GUANGZHOU DEVOTION THERMAL TECH +2
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Problems solved by technology

[0003] Chinese patent document CN202166188U discloses a horizontal heat-conducting oil furnace. The heating surface structure in the furnace adopts a set of spiral disc tube components. The inner ring of the disc tube has high heating efficiency, and the outer ring has low heating efficiency. The system is low, and the oil outlet temperature is uneven. Although the heating efficienc

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  • Biomass double square coil pipe heat conduction oil furnace
  • Biomass double square coil pipe heat conduction oil furnace
  • Biomass double square coil pipe heat conduction oil furnace

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Embodiment Construction

[0017] A biomass double-shaped coil heat-conducting oil furnace mainly includes a furnace body 2 , a chain-type grate 12 and a feeder 1 . Body of furnace 2 is arranged horizontally as a whole. The bottom of the furnace body 2 is provided with a chain type fire grate 12 . The smoke chamber 6 in the furnace body 2 is divided into a radiation zone and a convection zone, and the furnace 13 and its upper part are the radiation zone.

[0018] The convection zone is arranged with meandering serpentine tube bundles 10 and 11 as convection heating surfaces, and the serpentine tube bundles are used for two-way convective heat release. A partition 8 is hoisted on the top wall of the furnace body in the convection zone, and the partition 8 separates the convection zone into two parts, and the first return serpentine tube bundle 11 and the second return serpentine tube bundle 12 are arranged respectively.

[0019] The serpentine tube bundles 10 and 11 are connected between the oil inlet ...

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Abstract

The invention discloses a biomass double square coil pipe heat conduction oil furnace. Two groups of square coil pipes are parallelly arranged in a smoke chamber in a furnace body, and three side rings of each group of square coil pipes are attached to side walls of the furnace body. The three side rings of each group of square coil pipes are attached to the side walls of the furnace body and one side ring of each group of square coil pipes is disposed at a flame center so that the two groups of square coil pipes are attached to over 90% area of four side walls of the furnace body, the maximum space utilization rate of the smoke chamber is achieved, heating area is increased, double sides of the side rings of the flame center are heated, the heat transfer efficiency is increased, meanwhile, the square coil pipes are tightly attached to the side walls so that heating temperature of the side walls is lowered, and the problem in terms of high temperature resistance of the side walls is solved.

Description

technical field [0001] The invention belongs to the technical field of boilers, in particular to a boiler equipment which burns biomass fuel to generate thermal energy to heat a liquid carrier (ie, heat transfer oil). Background technique [0002] The fuel used in traditional heat transfer oil furnaces is coal or natural gas. With the wide application of biomass fuels, the internal structure design of heat transfer oil furnaces, especially the heat transfer capacity of the heating surface in the furnace, is an important guarantee for the thermal efficiency of biomass heat transfer oil furnaces. [0003] Chinese patent document CN202166188U discloses a horizontal heat-conducting oil furnace. The heating surface structure in the furnace adopts a set of spiral disc tube components. The inner ring of the disc tube has high heating efficiency, and the outer ring has low heating efficiency. The system is low, and the oil outlet temperature is uneven. Although the heating efficienc...

Claims

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Application Information

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IPC IPC(8): F24H7/00F24H9/18
Inventor 常厚春马革古雄云耿生斌邹富豪
Owner GUANGZHOU DEVOTION THERMAL TECH
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