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Boiler for small house, with automatic feeding device and adopting bundled straw fuel

A technology of automatic feeding and housing, which is applied in the field of boilers for heating water, can solve the problems of energy increasing operating costs and limiting the scale of biomass energy

Active Publication Date: 2020-04-14
黑龙江赫尔特生物质能源发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Because straw granulation consumes a lot of energy and increases operating costs, it will limit the scale of biomass energy

Method used

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  • Boiler for small house, with automatic feeding device and adopting bundled straw fuel
  • Boiler for small house, with automatic feeding device and adopting bundled straw fuel
  • Boiler for small house, with automatic feeding device and adopting bundled straw fuel

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Embodiment Construction

[0048] Application examples of the present invention will be explained in more detail below with reference to the drawings.

[0049] figure 1 A schematic description of an automated boiler for small houses fueled by whole bundles of straw bales, the fuel used in this example is a round straw bundle with a diameter of 65 cm and a length of about 90 cm, with a boiler thermal power of 21 ~30kW. The boiler is mainly composed of a straw bale combustion unit (1) and an automatic feeding device (3), which can be screwed together with bolts during installation. The straw bale combustion unit (1) is preferably placed indoors (2) of the house, and most of the automatic feeding device (3) passes through the house wall (4) and is placed outdoors.

[0050] Put the straw bales (5) into the automatic feeding device (3) which is also in a sealed state through the feeding door (6) by hand, and the inner diameter of the automatic feeding device (3) can be designed to adapt to straw bales of d...

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Abstract

The invention discloses a boiler for a small house, with an automatic feeding device and adopting bundled straw fuel. The boiler is mainly formed by a straw bale combustion unit 1 and the automatic feeding device 3. The straw bale combustion unit 1 is formed by an outer pressure-resisting wrapping layer, a ceramic component wrapped in the outer pressure-resisting wrapping layer and the like. By means of a ceramic heat storage area 22 in a combustion chamber 9, due to indented refractory bricks, it is guaranteed that an upward flue gas channel 23 is smooth all the time, flue gas is sucked out from a pre-combustion chamber 10 at the top of the combustion chamber, and the pre-combustion chamber 10 comprises an ignition channel 25 used for helping ignition. The inner cross section of a vortexafter-combustion chamber 11 can be contracted and enlarged several times, and therefore pressure pulses are generated in flue gas, and flue gas jet flow 37 pressurized in the combustion chamber 9 is blown to a straw bale 5 so as to strengthen gasification combustion. The automatic feeding device 3 with a sliding shield 7 is driven by a winch 65 and a pulley. By means of the boiler, the straw balecan be combusted quite thoroughly, plant ash is used as fertilizer, and the boiler has high value.

Description

technical field [0001] The invention relates to a boiler for heating water, which is especially suitable for small independent houses in agricultural areas. The boiler uses an automatic feeding device to put in the whole bundle of straw bales as fuel. The automatic feeding device can be partially arranged outdoors while the boiler is preferably placed indoors, and the boiler can also be used for cooking. Background technique [0002] There are many known solid fuel boilers for heating and cooking. These boilers mostly use coal, wood or straw pellets as fuel. These boilers generally have no preheating process for air supply and no automatic adjustment function. However, the whole-bundle straw gasification combustion boiler developed in Europe by the German company HERLT is relatively large and needs to be ignited with wood, and the cost is very high. [0003] If the boiler control system adopts numerical control or electronic solutions, the after-sales service will often be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23B40/00F23L1/00F23J15/06
CPCF23B40/00F23L1/00F23J15/06Y02E20/30
Inventor 克里斯蒂安·赫尔特
Owner 黑龙江赫尔特生物质能源发展有限公司
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