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Water cooling wall tube row structure resistant to falling coke impacting and wearing

A water-cooled wall and pipe row technology, applied in the direction of pipeline damage/abrasion prevention, pipe components, pipe supports, etc., can solve problems such as poor wear resistance, and achieve the effects of ensuring wear resistance, impact protection, and increasing bending strength

Inactive Publication Date: 2020-11-20
马鞍山英维爱生态科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a water-cooled wall tube row structure resistant to falling coke impact wear, so as to solve the problem of poor wear resistance in the above-mentioned background technology

Method used

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  • Water cooling wall tube row structure resistant to falling coke impacting and wearing
  • Water cooling wall tube row structure resistant to falling coke impacting and wearing
  • Water cooling wall tube row structure resistant to falling coke impacting and wearing

Examples

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Embodiment 1

[0018] see Figure 1-Figure 2 , this embodiment provides a water-cooled wall tube row structure resistant to falling coke impact wear, including tube bodies 1 arranged side by side in sequence, and two adjacent tube bodies 1 are connected by welded tubes 2 to form a tube row. The top of the row is provided with a tube row wear-resistant body 3 that protects the upper half of the tube row. The tube row wear-resistant body 3 includes wear-resistant cladding layers 4 that are connected side by side. A trapezoidal connection wear-resistant body 5 is arranged between the cladding layers 4, and wear-resistant sawtooth rows 6 distributed along the outer wall of the wear-resistant cladding are arranged on each wear-resistant cladding layer 4. The wear-resistant cladding The cladding 4 includes a wear-resistant ceramic sheet 4-1 located on the upper surface, a buffer wear-resistant layer 4-2 is arranged on the lower layer of the wear-resistant ceramic sheet 4-1, and a reinforcing rib i...

Embodiment 2

[0021] see image 3 , this embodiment provides a water-cooled wall tube row structure that is resistant to falling coke impact and wear. In order to improve the impact resistance, the number of reinforcing ribs 4-3 is more than one extending along the length direction of the tube body 1. Moreover, a damping layer 9 is arranged between two adjacent reinforcing ribs 4-3, and the impact resistance is improved by arranging multiple reinforcing ribs 4-3.

[0022] In order to improve the wear resistance, the thickness of the buffer wear-resistant layer 4-2 is 0.5-1mm, and the hardness of the wear-resistant cladding layer is between 600-1000HV.

[0023] In order to facilitate processing, the high temperature resistant cushion cushion 4-4 is compounded with the pipe body 1 through compound glue.

Embodiment 3

[0025] see Figure 4 , this embodiment provides a water-cooled wall pipe row structure that is resistant to defocusing impact wear. In order to improve wear resistance, the wear-resistant sawtooth row 6 is changed into a wear-resistant arc-shaped row 10 with a wavy upper surface. The wear-resistant sawtooth row 6 is changed into a wear-resistant arc-shaped row 10 whose upper surface is wavy, so that the wear resistance of the upper surface is better.

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Abstract

The invention discloses a water cooling wall tube row structure resistant to falling coke impacting and wearing. The water cooling wall tube row structure comprises tube bodies arranged in sequence side by side. Every two adjacent tube bodies are connected through a welding tube, and a tube row is formed. A tube row wearing-resisting body used for protecting the upper half part of the tube row isarranged above the tube row. The tube row wearing-resisting body comprises wearing-resisting coating layers connected side by side. A trapezoidal connecting wearing-resisting body is arranged betweenevery two adjacent wearing-resisting coating layers. A wearing-resisting saw tooth row distributed along the outer wall of the corresponding wearing-resisting coating layer is arranged on each wearing-resisting coating layer. Each wearing-resisting coating layer comprises a wearing-resisting ceramic sheet located on the upper surface, a buffer wearing-resisting layer is arranged on the lower layerof each wearing-resisting ceramic sheet, reinforcing bars are arranged below the buffer wearing-resisting layers, and high temperature resisting buffer soft cushions are arranged between the reinforcing bars and the tube bodies. Arc reinforcing bar layers are arranged on the lower half parts of the tube bodies, and more than one reinforcing strip is arranged below each arc reinforcing bar layer.By means of the structure, wearing resistance and impact force resistance are improved.

Description

technical field [0001] The invention relates to the technical field of pipeline wear-resistant treatment, in particular to a water-cooled wall tube row structure that is resistant to falling coke impact wear. Background technique [0002] Boiler cold ash bucket refers to the bucket-shaped furnace bottom structure formed by the water-cooled wall tube row at a certain inclination angle (generally 50-55°) at the lower part of the pulverized coal boiler furnace in a thermal power plant. The ash is discharged in a solid state. Coking is common in coal-fired boilers for thermal power generation in my country. The root cause of coking is that the ash in the molten state is deposited on the heating surface of the boiler (such as water walls, superheaters, reheaters, etc.), causing the heating surface or The furnace wall is coked, and the adhered molten or semi-molten ash particles and unburned coke make the coking continue to develop. If coking is severe on the front and rear walls...

Claims

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Application Information

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IPC IPC(8): F16L3/10F16L3/22F16L57/06F16L55/035
CPCF16L3/10F16L3/222F16L55/035F16L57/06
Inventor 蔡南科陈高雄
Owner 马鞍山英维爱生态科技有限公司
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