Method for designing straw gasification gas boiler

A technology of gas boiler and design method, applied in the field of gas boiler

Inactive Publication Date: 2012-02-01
SHANGHAI ZICHENG INFORMATION TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to solve the above-mentioned deficiencies in the prior art, and provide a design method of a straw gasification gas-fired boiler, which will broaden the application field of the straw gasification centralized gas supply technology, and solve the heating problem of farmers in cold regions in winter, and can also Apply straw gas to greenhouse planting, livestock house heating, flue-cured tobacco and grain drying and other fields

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  • Method for designing straw gasification gas boiler
  • Method for designing straw gasification gas boiler
  • Method for designing straw gasification gas boiler

Examples

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Embodiment

[0019] This example provides a design method for a straw gasification gas-fired boiler, taking the northern rural heating area as 50m2 2 Taking the housing as an example, the design of the straw gasification gas boiler is carried out:

[0020] 1. Calculation of heat load of heating boiler

[0021] The design heat load of the house is the basis for determining the heat load of the heating boiler. Due to the great difference in the form of farmer houses, this design adopts the area heat index method to estimate the heat load of the house heating design. Select the heating heat index q per unit area f 81.5W / m 2 , the heating area F of the farmer’s house is 50m 2 , the design heat load Q of farmer’s house is

[0022] Q=q f F=81.5x50=4075W

[0023] Since the heating time of farmers is generally about 8 hours per day, the effective heat load Q of boiler heating g for

[0024] Q g =Qx(24 / 8)=12225W

[0025] The thermal efficiency of the heating boiler is 60%, and the nomina...

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Abstract

The invention discloses a method for designing a straw gasification gas boiler. The method comprises the following steps of: firstly, calculating a thermal load of a house, and thus obtaining a required thermal load, which serves as design basis for the thermal load of a heating boiler, of the house; secondly, determining combustible components and a thermal value of straw gas; thirdly, designing a combustor, selecting the form of the combustor, and determining the structure size of the combustor; and finally, according to results of the steps, designing the structure of the boiler, and testing the thermal performance index of the boiler. By adoption of the method, the straw gasification gas boiler is successfully developed; the heating problem of peasant households in cold areas in winter is solved; the straw gas can be applied to the fields of greenhouse plantation, animal house heating, tobacco roasting, grain drying and the like; all performance indexes of the boiler meet design requirements; an actual effect exceeds a design expected effect; the winter heating requirements of rural users can be met; and the straw gasification gas boiler is applicable to the rural users.

Description

technical field [0001] The invention relates to a gas-fired boiler in the technical field of heating, in particular to a design method of a straw gasification gas-fired boiler. Background technique [0002] Biomass gasification is one of the main ways to effectively utilize biomass energy. The use of straw gasification gas for civil cooking and heating can not only enable farmers to use piped gas, improve the rural sanitation environment, improve the quality of life of farmers, provide farmers with efficient and convenient energy, but also improve the efficiency of straw utilization, save energy, reduce environmental pollution. At present, straw gasification gas is mainly used for cooking, but rarely used for heating. In the cold northern regions, heating energy in winter accounts for about 80% of the total rural energy consumption, so it is of great significance to study a straw gasification gas heating boiler. Contents of the invention [0003] The purpose of the pres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/22
Inventor 王雅高波张海
Owner SHANGHAI ZICHENG INFORMATION TECH
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