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Steam boiler

A technology for steam boilers and drums, which is used in steam boilers, water-tube steam boilers, boiler water pipes, etc., can solve the problems of large noise and vibration, mechanical shock, equipment damage, and low heat absorption efficiency of the riser, so as to reduce noise and Vibration, stable flow, and the effect of improving heat exchange

Active Publication Date: 2017-08-22
蚌埠弘景科技有限公司
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  • Abstract
  • Description
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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 view of the above problems, the present invention improves on the basis of the previous invention, and provides a new steam boiler, thereby solving the problem of low heat absorption efficiency of the rising tube

Method used

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Embodiment Construction

[0039] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0040] In this article, if there is no special explanation, when it comes to formulas, " / " means division, and "×" and "*" mean multiplication.

[0041] 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 steam boiler which comprises an upper boiler barrel, a lower boiler barrel, ascending pipes and descending pipes. The ascending pipes and the descending pipes are connected between the upper boiler barrel and the lower boiler barrel. Flow stabilizing devices are arranged in the ascending pipes. Each flow stabilizing device comprises a core body and a shell, wherein the core body is arranged in the shell, the shell is connected and fixed to the inner wall of the corresponding ascending pipe, and the core body is formed by adjacently connecting a plurality of pipes in a combined mode. According to the steam boiler, the flow stabilizing devices are of novel structures; and when vapor-water two-phase flow exists in the ascending pipes, heat transfer is enhanced, meanwhile, the vibration of the ascending pipes is weakened, and the noise level is reduced.

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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Patent Type & Authority Applications(China)
IPC IPC(8): F22B21/04F22B37/10
CPCF22B21/04F22B37/10
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 蚌埠弘景科技有限公司
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