Steam boiler provided with three boiler cylinders

A technology for steam boilers and drums, which is applied in the direction of steam boilers, steam generation, boiler drums/box headers, etc. It can solve the problems of poor utilization of flue gas waste heat, large noise vibration and mechanical shock, and riser pipes. Low heat absorption efficiency and other problems, to avoid indirect utilization, reduce noise and vibration, and improve heat utilization efficiency

Active Publication Date: 2017-07-14
扬州华大锅炉有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The impact phenomenon will cause large noise vibration and mechanical shock, causing damage to the equipment
[0006] In addition, during the operation of the boiler, waste heat such as flue gas cannot be well utilized, and indirect utilization methods are generally used, such as through

Method used

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  • Steam boiler provided with three boiler cylinders
  • Steam boiler provided with three boiler cylinders
  • Steam boiler provided with three boiler cylinders

Examples

Experimental program
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Embodiment Construction

[0047] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0048] In this article, if there is no special explanation, when it comes to formulas, " / " means division, and "×" and "*" mean multiplication.

[0049] further as figure 1 The aforementioned steam boiler includes an upper drum 1 and a lower drum 2 , and the ascending tube 3 and the downcomer 5 connect the upper drum 1 and the lower drum 2 . Water enters the downcomer 5 from the upper drum 1 . The water flows down in the downcomer and is collected in the lower drum 2 of the tube bundle. The riser 3 of the boiler is heated by the combustion of fuel in the combustion chamber 10 of the furnace. The heat absorbed by the riser 3 causes the liquid inside the tube to boil, thereby creating a two-phase mixture of water and steam. The two-phase mixture in the riser 3 reaches the upper drum 1 . The supercooled water released from the water supp...

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PUM

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Abstract

The invention provides a steam boiler provided with three boiler cylinders. The steam boiler provided with the three boiler cylinders comprises the first boiler cylinder, the second boiler cylinder and the third boiler cylinder, wherein the first boiler cylinder is located on the upper portion, the second boiler cylinder is located in the middle, and the third boiler cylinder is located on the lower portion; and the first boiler cylinder and the second boiler cylinder are connected through a first ascending pipe and a descending pipe, the second boiler cylinder and the third boiler cylinder are connected through the descending pipe, and the third boiler cylinder and the first boiler cylinder are connected through a second ascending pipe. According to the steam boiler provided with the three boiler cylinders, the three boiler cylinders are arranged so that all heat can be sufficiently used, heat transfer is enhanced, and the heat utilization rate is increased.

Description

technical field [0001] The present invention is a project commissioned by colleges and universities to carry out research and development. The invention belongs to the field of steam generation, in particular to a steam boiler, and belongs to the field of IPC classification number F22. Background technique [0002] The circuit that receives heat from the furnace and makes the fluid flow from a low level to a high level is called an "ascending loop", while the circuit that receives heat and makes a fluid flow from a high level to a low level is called a "falling loop". A circuit consists of a pipe or a group of pipes leading from a common point, such as a header or steam drum, and terminating at a common point, also a header or drum. [0003] In most natural circulation boiler designs, the heated tubes making up the evaporating section generally provide upward flow, but in multi-drum boilers, the descending heated tubes of the evaporator bundle do not. In this type of boile...

Claims

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Application Information

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IPC IPC(8): F22B31/08F22B37/22
CPCF22B31/08F22B37/22
Inventor 郭春生刘勇齐超宋金圣邓伊涵高军宁淑荣张斌曲芳仪陈子昂年显勃李言伟
Owner 扬州华大锅炉有限公司
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