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Design method of steam boiler with changeable ascending pipe

A technology for a steam boiler and a design method, which is applied to water-tube steam boilers, steam boilers, boiler water pipes, etc., can solve the problems of low heat absorption efficiency of the riser, and achieve the effects of simple structure, uniform fluid division, and cost reduction.

Active Publication Date: 2020-05-29
SHAOXING MINGLIANG TECH INFORMATION CONSULTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] In view of the above problems, the present invention improves on the basis of the previous invention, and provides a new steam boiler and its design method, thereby solving the problem of low heat absorption efficiency of the rising tube

Method used

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  • Design method of steam boiler with changeable ascending pipe
  • Design method of steam boiler with changeable ascending pipe
  • Design method of steam boiler with changeable ascending pipe

Examples

Experimental program
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Embodiment Construction

[0050] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0051] In this article, if there is no special explanation, when it comes to formulas, " / " means division, and "×" and "*" mean multiplication.

[0052] Such 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. 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 supply pipe (not shown) in...

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Abstract

The invention provides a design method of a steam boiler with a changeable ascending pipe. The steam boiler comprises an upper boiler barrel, a lower boiler barrel, the ascending pipe and a descendingpipe, wherein the ascending pipe and the descending pipe are connected between the upper boiler barrel and the lower boiler barrel, and the pipe diameter of the ascending pipe is continuously increased in the flowing direction of fluid. According to the design method of the steam boiler with a flow stabilizing device of a novel structure and the boiler designed through the method, when vapor-liquid two-phase flow exists in the ascending pipe, heat transfer is enhanced, meanwhile, vibration of the ascending pipe is weakened, and the noise level is lowered.

Description

[0001] This application is a divisional application for June 20, 2018, application number 201810632533X, and invention name "Steam Boiler Design Method for Steady Flow Device and Tube Diameter Optimization". technical field [0002] 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 [0003] 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. [0004] In most natural circulatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B21/08F22B37/10
CPCF22B21/08F22B37/10
Inventor 赵伟谷潇潇江程李红云胡全君
Owner SHAOXING MINGLIANG TECH INFORMATION CONSULTING CO LTD
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