A boiler feeder
The technology of a return feeder and boiler is applied in the direction of burning fuel, lighting and heating equipment, fluidized bed combustion equipment, etc. in a molten state, which can solve the problem of low practical performance, danger of boiler return feeder, and difficulty in controlling the amount of ash in the ash discharge cycle. and other problems, to achieve the effect of good practical performance, control of the amount of ash, and good use effect
Active Publication Date: 2016-01-20
CHANGXING XINCHENG ENVIRONMENTAL PROTECTION
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a boiler return device that is beneficial to ash discharge in view of the dangerous performance of the existing boiler return device when ash is released, the amount of ash in the ash discharge cycle is difficult to control, and the practical performance is low.
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[0016] like figure 1 As shown, a boiler returner includes a main body 1 and a guide pipe 2. The guide pipe 2 is obliquely arranged on the main body 1. The guide pipe 2 is connected with a blowing air pipe extending into the guide pipe 2. 3. The lowest connection point between the blowing air pipe 3 and the guide pipe 2 is higher than the highest connection point between the guide pipe 2 and the body 1, the inner diameter of the guide pipe 2 is larger than the inner diameter of the air blowing pipe 3, and the body 1 There is a connecting part 4 for the guide pipe 2 to pass through. The connecting part 4 is made of high-temperature refractory bricks, which effectively prevents the guide pipe 2 from being damaged by high temperature in the body 1, improves the practical performance, and is safe. Good performance, improved service life, the guide tube 2 and the vertical center line of the body 1 are set at an angle of 30-60°, which is convenient for air to enter and control the ai...
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The invention relates to a boiler return feeder. The boiler return feeder comprises a body and a guide pipe, wherein the guide pipe is obliquely arranged on the body; the guide pipe is provided with an air blowing air pipe which stretches into the guide pipe; a lowest connection point of the air blowing air pipe and the guide pipe is higher than a highest connection point of the guide pipe and the body; the inner diameter of the guide pipe is greater than that of the air blowing air pipe. The boiler return feeder has the advantages that the air blowing air pipe blows air into the body through the guide pipe; when ash in the body is discharged, the airflow of the body can be controlled effectively and the safety performance in the ash releasing process is improved effectively; the ash releasing amount can be controlled effectively; the practical performance is good and the operation is simple; the lowest connection point of the air blowing air pipe and the guide pipe is higher than the highest connection point of the guide pipe and the body so that air in the air blowing air pipe is prevented from directly entering the body to damage the body; the inner diameter of the guide pipe is greater than that of the air blowing air pipe so that the incoming air can be used for controlling the air in the body and the use effect is good.
Description
technical field [0001] The invention relates to a boiler feeder. Background technique [0002] The feeder is to stably send the high-temperature solid material separated from the boiler separator back to the combustion chamber with higher pressure, and to ensure that the amount of gas back into the separator is minimized. At present, all circulating fluidized bed boilers in China are feeding There is an ash discharge pipe at the bottom of the container. When the amount of circulating ash is too large, the ash discharge pipe can be used to adjust the amount of circulating ash. Since the temperature of the ash to be discharged is below 850 degrees and there is air flow, it is more dangerous to discharge the ash. , and it is not easy to control the amount of ash in the ash cycle, and it is easy to appear too large or too small, and the practical performance is low. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a ...
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IPC IPC(8): F23C10/26
Inventor 周利方周利强邵嫩飞卢志强周宗建刘义华张会明许永利应学军周春义宋蓉王春连
Owner CHANGXING XINCHENG ENVIRONMENTAL PROTECTION