Method and equipment for preparing fuel gas
A technology for gas and equipment, applied in the field of gas preparation, can solve the problems of high pollution and inability to reduce power generation costs, and achieve the effects of reducing power generation costs, reducing costs, and increasing output
Active Publication Date: 2012-08-15
孔令增 +1
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Problems solved by technology
However, during the use of these gases, high-voltage electricity is required to capture tar, and a huge dust removal system is required, so that the cost of power generation cannot be reduced, and at the same time, the problem of high pollution cannot be solved
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Embodiment Construction
[0017] A method for preparing fuel gas according to the present invention comprises the following steps:
[0018] ①Preparation of column particle fuel: take crushed coal and straw column particle raw materials, and extrude them into coal straw mixed column particles according to the weight ratio of crushed coal and straw column particles of 1:0.15-0.7, Or mix coal powder, water and starch in a weight ratio of 1:0.05-0.25:0.03-0.05 and extrude to make coal-starch mixed cylinder particles;
[0019] ② Continuously send any fuel described in step ① into the gas generator;
[0020] ③Introduce air and steam into the gas generator as a gasifying agent to keep the temperature inside the gas generator at 400-950°C.
[0021]The ratio of air and steam introduced into the gas generating furnace in step ③ of the present invention is 1:0.15-0.5. The raw material of the coal stalk mixed cylinder particles is crushed coal and straw cylinder particles, and the coal stalk mixed cylinder parti...
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Abstract
The invention provides a method and equipment for preparing fuel gas. The method for preparing fuel gas comprises the following steps: (1) preparing cylinder particle fuel: taking materials of crushed coal and straw cylinder particle and extruding to prepare coal and straw mixing cylinder particles, or taking materials of coal dust, water and starch and extruding to prepare coal and starch mixing cylinder particles; (2) continuously feeding fuel in the step (1) into a fuel gas producer; and (3) introducing air and steam into the fuel gas producer to be used as a gasifying agent. The fuel gas producer comprises a furnace body, an idler wheel extruder is installed at the upper end of the furnace body and is provided with a material receiving barrel, and the material receiving barrel is connected with the furnace body in an airtight mode. A fire grate is installed at the lower end of the furnace body and is connected with a second transmission shaft, a power transmission piece is installed on the second transmission shaft and is connected with a motor. According to the invention, the cylinder particles are used as fuel to replace lump coal or coke, and steam and air are introduced into the fuel gas producer to prepare fuel gas, therefore, the cleanliness and calorific value of the fuel gas are high, and the fuel gas can be used for directly driving the operation of a gas turbine.
Description
technical field [0001] The invention relates to a method for preparing gas, in particular to a method and equipment for preparing gas. Background technique [0002] Since the gas used for power generation by gas turbines requires various indicators such as high calorific value, the fuel gas used for power generation by gas turbines must be refined lump coal or coke. normal operation of power generation. This is the main reason why the gas turbine power generation industry is almost at a standstill. For this reason, those skilled in the art provide multiple fuel gases such as pressurized water gas, dry gas, steamed gas, stalk fermentation and transalcohol, etc., which are used by gas turbines after supercharging. However, during the use of these gases, high-voltage electricity is required to capture tar, and a huge dust removal system is required, so that the cost of power generation cannot be reduced, and at the same time, the problem of high pollution cannot be solved. ...
Claims
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IPC IPC(8): C10J3/16C10J3/20
CPCY02E20/16C10L2290/24Y02E50/30C10L5/04C10L2290/28C10L5/363C10L5/08B01J2/20Y02E50/10B30B11/228
Inventor 孔令增刘飞杨燕
Owner 孔令增