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Steam generator with changeable hole areas in height direction

A technology of steam generator and height direction, which is applied in the field of boilers, which can solve the problems of low heating efficiency, low thermal efficiency, and slow heating, and achieve the effects of high heating efficiency, improved heating efficiency, and improved safety performance

Inactive Publication Date: 2017-11-03
SHANDONG JIAOTONG UNIV
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  • Summary
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current steam generators are mostly heated by gas or fuel oil, and the heating efficiency is low. Most of the electric steam generators currently used are installed at the bottom of the water storage tank with electric heating tubes 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

Method used

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  • Steam generator with changeable hole areas in height direction
  • Steam generator with changeable hole areas in height direction
  • Steam generator with changeable hole areas in height direction

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Embodiment Construction

[0037] Figure 1-5 A steam generator is shown. Such as figure 1 As shown, the steam generator includes a box body 1, an electric heating pipe 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 The mouth is located at the top of the box body. The electric heating tube 2 is arranged in the box, and the electric heating tube 2 is arranged in a vertical direction (perpendicular to the bottom plane of the water tank). The electric heating tube 2 includes an outer tube 21 and an electric heater arranged in the outer tube 21, The lower part of the electric heating tube 2 is provided with a water inlet channel to ensure that the water in the box body 1 can enter the electric heating tube 2 for heating, and the upper part of the electric heating tube 2 is connected to the steam outlet 5 .

[0038] As a preference, the pipe of the steam outlet 5 is in a sealed connectio...

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Abstract

The invention provides a steam generator with the changeable hole areas in the height direction. The steam generator comprises a box, an electric heating pipe and a steam outlet. The electric heating pipe is arranged in the box. The electric heating pipe comprises an outer pipe body and an electric heater arranged in the outer pipe body. The electric heating pipe is arranged in the vertical direction. Holes are formed in the lower portion of the outer pipe body. The upper portion of the electric heating pipe is connected with the steam outlet. The multiple rows of holes are formed in the height direction, multiple holes are formed in each row, and the sums of the areas of the holes in each row are gradually reduced in the height direction. The steam generator of a novel structure is designed, through the hole area changes in the height direction, dryness of the electric heating pipe is reduced, and meanwhile the heating efficiency is 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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IPC IPC(8): F22B1/28
CPCF22B1/28Y02P80/15
Inventor 黄雪涛钟兵王海霞刘彦臣智晋宁姚峰林
Owner SHANDONG JIAOTONG UNIV
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