Lower slag pipe
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Classification:
Key words:
Non-metal expansion joint
Low nitrogen burner
- Product Description
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The insulated slag discharge pipe adopts an insulated structure, with a double-layer refractory material inside; the inner layer is made of wear-resistant material, and the outer layer is made of insulation material. During actual operation, the temperature of the external steel pipe can be controlled below 80°C. The grab nails of the pouring material use a unique spiral grab nail structure, which can make the refractory material more solid and reliable with the mother pipe, making it less likely to loosen; the pouring molds for the pouring material are all formed in one use, without using any mixed wood.
Grab nails for pouring material
Pouring mold
The design of the poke hole in the insulated slag discharge pipe is in a strip shape, replacing the commonly used round hole for clearing. The round clearing hole is almost ineffective when encountering strong adhesive coal blockages; changing to a strip hole can make the clearing time during blockages shorter and safer. The hand hole door is divided into upper and lower parts, and during clearing, simply removing the sealing block of the strip hand hole door allows for clearing the entire slag discharge pipe. The upper strip hand hole can not only clear the slag pipe but also clear blockages at the corner of the ash control valve outlet, thus improving the overall convenience during clearing.
The first domestic 300MW CFB unit using this insulated slag discharge pipe has a service life of over 8 years, and the world's first 600M CFB unit (Baimai) using this insulated slag discharge pipe has a service life of over 5 years, with the clearing time reduced from an average of 6 hours to 30 minutes.
Measured temperature during the use of the insulated slag discharge pipe
No signs of red pipe during the use of the insulated slag discharge pipe
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Office address: No. 599-2, Xiaomuan, Wuzhong Village, Jinan Street, Zhuji City
Factory address: No. 599-2, Xiaomuan, Wuzhong Village, Jinan Street, Zhuji City
Telephone:0575-88597998
Zhuji Fengze Power Machinery Co., Ltd.
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