Nozzle structure of water spraying desuperheater
A technology of spraying water to reduce temperature and nozzles, which is applied in the control of superheated temperature, steam superheating, steam generation, etc.
Pending Publication Date: 2022-03-04
JIANGSU TAIHU BOILER
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Problems solved by technology
[0002] The nozzles set on the superheater are mostly used in the nozzle structure of the nozzle plus the flange and the flange cover. Holes, the process of processing size and technology needs to be considered, and at the same time, the strength calculation of the flange cover is complicated and cumbersome.
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[0017] The invention will be further described in conjunction with the accompanying drawings in Example:
[0018] As shown in FIG. A spray desuperheater nozzle structure, fixed to the spray desuperheater 7, which comprises a spray pipe 1, the second sleeve 2, a fastener 3, 4 on the flange, dismount blue 5 and a first sleeve 6, the bottom end of spray pipe is disposed within a spray desuperheater 7, a lower spray pipe provided with a jacket 6 of the first sleeve, the first sleeve 6 a bottom end fixed to the casing 7 of the spray desuperheater, the first sleeve 6 is connected to the top of the lower flange 5, the second sleeve is fixed to the upper portion of a spray pipe 2, the second sleeve 2 is fixed to the bottom end of the flange 4, the lower flange 5 and upper flange 3 is connected by a fastener between 4; the first clearance fit between the outer sleeve and the inner wall of the spray pipe 1 6 .
[0019] 2 is set to the second sleeve diameter pipe, 21 comprises a second sleev...
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The invention relates to a spray nozzle structure of a spray desuperheater, which belongs to the field of waste heat boiler equipment and comprises a spray pipe, a second sleeve, a fastener, an upper flange, a lower flange and a first sleeve, the bottom end of the spray pipe is arranged in the spray desuperheater, and the first sleeve is sleeved on the lower portion of the spray pipe. The bottom end of the first sleeve is fixed to a shell of the water spraying desuperheater, the top end of the first sleeve is connected with a lower flange, a second sleeve is fixed to the upper portion of the water spraying pipe, an upper flange is fixed to the bottom end of the second sleeve, and the lower flange and the upper flange are connected through a fastener. A certain gap is reserved between the inner wall of the first sleeve and the outer wall of the water spraying pipe. The water spraying pipe can be fixed through a stable structure; as the fixing structure of the flange and the bolt provides detachable bolt connection and fixation, the maintenance is convenient; and additional trepanning and strength calculation of the flange structure are not needed.
Description
Technical field [0001] The present invention relates to a spray desuperheater nozzle structure, it belongs to the field of waste heat boiler equipment. Background technique [0002] Superheater disposed in the nozzle, the nozzle structure of a multi nozzle to cover and flange Jia Falan used, in this structure, since the flange and the spray pipe opening requires adaptation, while another flange on the open standard hole size needs to be considered during the processing process or the like, while the cover flange intensity calculation process is complex and cumbersome. Inventive content [0003] Object of the present invention is to overcome the above shortcomings, there is provided a spray desuperheater nozzle structure, complex procedures may be omitted flange structure calculation with a simple construction, while meeting the immobilization of the spray pipe. [0004] According to the aspect of the present invention provides a spray desuperheater nozzle structure is provided o...
Claims
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IPC IPC(8): F22G5/12
CPCF22G5/123
Inventor 徐传香孙建涛潘宇峰王伟星
Owner JIANGSU TAIHU BOILER