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Steam generator with electrical heating power changing along with distance to center

A steam generator and electric heater technology, applied in the field of boilers, can solve the problems of uneven heating of steam generators, low steam efficiency, single heater structure, etc., to improve heating uniformity, heating efficiency, and uniform temperature distribution , Improve the effect of safety performance and heating performance

Inactive Publication Date: 2019-04-12
SHANDONG JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The steam generator in the prior art does not heat uniformly, the overall steam generation efficiency is not high, and the heater structure is relatively simple

Method used

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  • Steam generator with electrical heating power changing along with distance to center
  • Steam generator with electrical heating power changing along with distance to center
  • Steam generator with electrical heating power changing along with distance to center

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Embodiment Construction

[0043] Figure 1-5 A steam generator is shown. like figure 1 As shown, the steam generator includes a box body 1, an inner pipe body 2, a cold water inlet 3, a hot water outlet 4 and a steam outlet 5, the cold water inlet 3 is arranged at the lower part of the box body 1, and the hot water outlet 4 Located on the top of the box body. The inner tube body 2 is arranged in the box, and the inner tube body 2 is arranged in a vertical direction (perpendicular to the bottom plane of the water tank), and the inner tube body 2 includes an outer tube and a core body 7 arranged in the outer tube. The lower part of the pipe body 2 is provided with a water inlet passage 8 to ensure that the water in the box body 1 can enter the inner pipe body 2 for heating, and the upper part of the inner pipe body 2 is connected to the steam outlet 5; the core body 7 is arranged on the upper part of the water inlet passage 8, so that The core body 7 extends in the vertical direction of the inner tube...

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Abstract

The invention provides a steam generator which comprises a box body and an inner pipe body. The inner pipe body is arranged in the box body. The inner pipe body comprises an outer pipe and a core bodyarranged in the outer pipe. The core body is composed of square through holes and regular octagon through holes. The side length of the square through holes is equal to the side length of the regularoctagon through holes. The four sides of each square through hole are sides of four different regular octagon through holes correspondingly. The four mutually-spaced sides of each regular octagon through hole are the sides of four different square through holes correspondingly. An electrical heater is arranged in each square through hole. The further the distance from the centers of the square through holes to the center of the core body is, the larger the heating power of the electrical heaters of the per-unit length in the vertical direction is. According to the steam generator, the heatingpower of the electrical heaters in the inner pipe body changes along with the distance to the center of the core body, and the heating uniform degree and the heating efficiency are further improved.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a steam generator with a new structure. Background technique [0002] A steam generator is a mechanical device that uses heat from fuel or other energy sources to heat water into steam. The steam generator has a wide range of applications, and is widely used in clothing factories, dry cleaners, restaurants, steamed bun shops, canteens, restaurants, factories and mines, bean products factories and other places. [0003] Most of the current steam generators are heated by gas or fuel oil, and the heating efficiency is low. Most of the currently used electric steam generators use electric heating tubes installed at the bottom of the water storage tank to directly heat the water in the water storage tank to generate steam. This electric steam generator has the problems of slow heating and low thermal efficiency. [0004] For example, Chinese patent document CN2071061U discloses a st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B1/28
CPCF22B1/28
Inventor 黄雪涛王海霞李庆国陈东印张鑫磊刘宗泽毋青松董新婷
Owner SHANDONG JIAOTONG UNIV
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