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Horizontal boiler radiation segment structure

A radiant section and horizontal technology, which is applied in the field of oil field steam injection boilers and boiler horizontal radiant section structures, can solve problems such as damage, reduce air leakage, increase tonnage, and be less likely to be burned

Inactive Publication Date: 2010-11-24
XI AN JIAOTONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the object of the present invention is to provide a boiler horizontal radiant section structure, which can solve the defects caused by the irregular expansion structure of the heating surface of the radiant section, especially to prevent the inlet furnace of the radiant section from The defect that the membrane wall between the tube and the outlet furnace tube is torn due to excessive stress eliminates such a major safety hazard

Method used

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Embodiment Construction

[0024] refer to figure 1 , is a boiler horizontal radiant section structure of the present invention, mainly including an outer sheath 1 and a membrane wall 3, and an insulating layer 2 is provided between the outer sheath 1 and the membrane wall 3. The cross sections of the outer sheath 1 and the membrane wall 3 are both square.

[0025] The membrane wall 3 is composed of a plurality of furnace tubes 7 connected in a serpentine shape and a closed plate 8 connected between the furnace tubes 7. The outlet furnace tube 6 and the inlet furnace tube 4 are located on the upper left of the membrane wall 3, and can also be located on the upper right. Square; 51 furnace tubes 7 are an odd number, therefore, the inlet and outlet of the heating surface of the membrane wall 3 are respectively at the two ends of the furnace body, so that the outlet working medium is directly drawn out, which greatly simplifies the pipeline layout. At the same time, in order to reduce the difference in th...

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Abstract

The invention relates to the field of boiler design and manufacturing and discloses a horizontal boiler radiation segment structure which is applicable to oil field steam injection boilers. The horizontal boiler radiation segment structure comprises an outer protective layer, wherein a member wall with a square section is arranged in the outer protective layer and comprises a plurality of boiler tubes connected in a coiled way and a closing plate connected between the boiler tubes. The horizontal boiler radiation segment structure is characterized in that: the closing plate between an outlet boiler tube and an inlet boiler tube of the boiler tubes comprises two connection plates with free edges and fixed edges; and the fixed edges of the two connection plates are connected with the outlet boiler tube and the inlet boiler tube, while the free edges are interlaced mutually.

Description

technical field [0001] The invention relates to the field of design and manufacture of boilers, in particular to a boiler horizontal radiation section structure, which is suitable for steam injection boilers in oil fields. Background technique [0002] At present, the steam injection boilers commonly used in oil fields are horizontal, and their radiant sections are generally horizontal cylindrical. In oil field steam injection boilers, in order to increase the tonnage of the boiler and effectively use the boiler space, one method adopted is to change the cylindrical radiation section into a square section; in order to effectively improve the thermal efficiency of the boiler, a membrane wall is used, which can effectively reduce Heat loss due to heat radiation to the insulation between the furnace tubes. [0003] For the radiant section with a square cross-section, there will be dead zones of flue gas at the four corners, which will cause the furnace tubes at the four corner...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B37/10E21B43/24
Inventor 王树众王玉庆罗明马宗赛吴志强陈林汪加慧
Owner XI AN JIAOTONG UNIV
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