Blast furnace slag flushing tube bend
A technology for blast furnace slag flushing and pipe elbows, which is applied in the direction of elbows, pipes/pipe joints/pipe fittings, siphon pipes, etc., can solve the problems of adverse production effects, slag flushing pipe elbows are easy to be worn out, etc., and achieve improved wear resistance Performance, increased strength and wear resistance, excellent wear resistance effect
Inactive Publication Date: 2014-07-23
柳州优泰科技有限责任公司
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Problems solved by technology
The slag flushing pipe elbow originally made of stainless steel seamless pipe is easily worn out and needs to be replaced frequently, which has a negative impact on production
Method used
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[0013] The present invention will be described in further detail below in conjunction with accompanying drawing embodiment:
[0014] Such as figure 1 , figure 2 The present invention shown includes a body, the body is welded by two wear-resistant end-section pipes 1 and five wear-resistant pipe sections 2 between the two wear-resistant end-section pipes 1, and the wear-resistant end-section pipe 1 The first wear-resistant alloy layer 4 is surfacing welded on the inner wall of the wear-resistant pipe section 2; the wear-resistant steel strip 3 is back-welded at the welding seam on the outside of the body, and the inner surface of the wear-resistant steel strip 3 is surfacing welded with a second wear-resistant alloy layer, and the wear-resistant alloy layer is a high chromium alloy layer.
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The invention discloses a blast furnace slag flushing tube bend, and relates to the technical field of conveying equipment. The blast furnace slag flushing tube bend comprises a body which is formed by two abrasion-resistant end joint tubes and a plurality of abrasion-resistant tube sections placed between the two abrasion-resistant end joint tubes in a welding mode, and first abrasion-resistant alloy layers are welded to the inner walls of the abrasion-resistant end joint tubes and the inner walls of the abrasion-resistance tube sections in an overlaying mode. An abrasion-resistant steel plate bar is welded to a welding joint on the outer side of the body in a back mode, a second abrasion-resistant alloy layer is welded to the inner side face of the abrasion-resistant steel plate bar in an overlaying mode, and the abrasion-resistant alloy layer is a high-chromium alloy layer. Compared with the prior art, the blast furnace slag flushing tube bend is excellent in abrasion resistance, and is four times of a stainless steel tube in service life.
Description
technical field [0001] The invention relates to the technical field of conveying equipment, in particular to a blast furnace slag flushing pipe elbow. Background technique [0002] The blast furnace slag discharged from blast furnace ironmaking is generally quenched with a large amount of water, and the blast furnace slag flushing pipe is used to transport the quenched slag water. In the slag flushing pipe, the temperature and velocity of the high-temperature blast furnace slag water are relatively high, which has a large scouring effect on the slag flushing pipe, especially the elbow. The slag flushing pipe elbow originally made of stainless steel seamless pipe is easily worn out and needs to be replaced frequently, which has a negative impact on production. Contents of the invention [0003] The technical problem to be solved by the invention is to provide a blast furnace slag flushing pipe elbow with excellent wear resistance. [0004] In order to solve the above prob...
Claims
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IPC IPC(8): F16L43/00F16L57/06C21B3/04
CPCC21B3/04F16L43/001F16L57/06Y02W30/50
Inventor 潘达社王玉喜林健赵泽文
Owner 柳州优泰科技有限责任公司