Film-type water-cooling lining wear-resistant plastic slag-roughing device

A technology that can be plasticized and lined. It is applied in the direction of burning fuel in a molten state, lighting and heating equipment, and fluidized bed combustion equipment. It can solve problems such as ash leakage, poor safety, and short service life, and avoid potential safety hazards. The effect of high pressure bearing capacity

Inactive Publication Date: 2010-03-03
SICHUAN LONGLINKECHUANG ENERGY SAVING & ENVIRONMENT PROTECTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the continuous increase of the capacity of CFB boiler units, the common problems of red burning, slag leakage, ash leakage, serious wear, short service life and poor safety of ordinary sl

Method used

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  • Film-type water-cooling lining wear-resistant plastic slag-roughing device
  • Film-type water-cooling lining wear-resistant plastic slag-roughing device
  • Film-type water-cooling lining wear-resistant plastic slag-roughing device

Examples

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Example Embodiment

[0018] In the attached drawings, 1. External bed ash discharge port; 2. Three-dimensional expansion joint; 3. Spring hanger; 4. Water inlet thermometer; 5. Water inlet pressure gauge; 6. High temperature ash ash; 7. CFB slag discharge interface 8. Wear-resistant plastic (ie wear-resistant castable); 9. (Anti-dropping) pin; 10. Fin tube; 11. Pressure switch; 12. Safety valve; 13. Water outlet pressure gauge; 14. Water outlet thermometer; 15. Induced air sealing device; 16. Accident discharge pipe; 17. Cooling water distribution ring pipe; 18. Cooling water collection ring pipe.

[0019] figure 1 figure 2 It is shown that the present invention includes a slag discharge interface and a lower slag tube. A plurality of fin tubes 10 are evenly arranged along the inner wall surface of the lower slag tube. The adjacent fin tubes are welded to form an annular tube panel used as a lower slag channel. A plurality of fin tubes are respectively communicated with a cooling water distribution ...

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Abstract

The invention relates to a film-type water-cooling lining wear-resistant plastic slag-roughing device, belonging to the slag-roughing device of a boiler. The film-type water-cooling lining wear-resistant plastic slag-roughing device comprises a deslagging interface and a slag-roughing pipe, wherein a plurality of fin pipes are arranged along the periphery of the inner wall surface of the slag-roughing pipe; a ring-shaped pipe screen used as a slag-roughing pipeline is formed between adjacent fin pipes by welding; the plurality of fin pipes are respectively communicated with a cooling water distributing ring pipe arranged at the upper end of the slag-roughing pipe and a cooling water collecting ring pipe arranged at the lower end of the slag-roughing pipe; the cooling water distributing ring pipe is provided with a water inlet pipe; and the cooling water collecting ring pipe is provided with a water outlet pipe. The film-type water-cooling lining wear-resistant plastic slag-roughing device is characterized by long service life, good cooling effect and high safety performance.

Description

technical field [0001] The invention relates to a boiler slag discharge device, in particular to a slag discharge device for the connecting section between the slag discharge port of a CFB boiler and the slag inlet port of a slag cooler. Background technique [0002] As the connection equipment between the boiler and the slag removal equipment, the lower slag pipe ensures that the boiler bottom slag can flow into the slag removal equipment smoothly, and it is also crucial to the normal operation of the CFB boiler system. With the continuous increase of the capacity of CFB boiler units, the common problems of red burning, slag leakage, ash leakage, serious wear, short service life and poor safety of ordinary slag lowering pipes are particularly prominent. Once the abnormal condition of the slag lowering pipe occurs, it will cause the boiler to shut down in serious cases, resulting in unpredictable losses. The membrane-type water-cooled lined wear-resistant plastic slag lower...

Claims

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Application Information

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IPC IPC(8): F23J1/00F23C10/24
Inventor 牟斌钟昊
Owner SICHUAN LONGLINKECHUANG ENERGY SAVING & ENVIRONMENT PROTECTING CO LTD
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