Compensation bend for steam pipeline
A technology of steam pipes and elbows, which is applied in the field of compensation elbows, can solve the problems of high external surface temperature of heat bridge heat dissipation loss, limited flexibility of compensation elbows, irregular extrusion of insulation cotton, etc., so as to reduce the temperature, reduce The effect of heat transfer through thermal bridge and preventing upper and lower instability
Active Publication Date: 2014-08-20
CHINA DALIAN KEHUA HEATING PIPE
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Problems solved by technology
Compared with the compensator, the compensating elbow is often used in the pipeline network for conveying high-temperature steam because of its advantages of low cost, long service life, flexibility, natural compensation, safety and reliability. Higher, the thermal insulation quilt is squeezed irregularly, which affects the thermal insulation effect and compensates for the limited flexibility of the elbow sliding.
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[0014] A compensating elbow for steam pipelines, which includes: a working elbow 6, an outer protective pipe 1 and a bracket, the bracket is arranged between the working elbow 6 and the outer protective pipe 1, and the bracket is located at the center of the working elbow 6 The support includes: supporting plate 2, universal wheel 3, support ring 4 and nano-insulation layer 5, a nano-insulation layer 5 is provided between the support ring 4 and the working elbow 6, and the support ring 4 is far away from the working bend One side of the head 6 is provided with a universal wheel 3; the universal wheel 3 is in linear contact with the supporting plate 2, and the supporting plate 2 is fixed on the outer protective tube 1; the universal wheel 3 and the supporting plate 2 are two groups, The wheel centers of the two universal wheels 3 are located on the same straight line, the two supporting plates 2 are parallel, the vertical line of the supporting plates 2 passes through the center...
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The invention provides a compensation bend for a steam pipeline, and belongs to the field of steam heat preservation pipelines. The compensation bend comprises a work bend, an outer protection pipe and a support, the support is arranged between the work bend and the outer protection pipe and comprises supporting plates, universal wheels, a support ring and nano heat insulation materials, a nano heat insulation layer is added between the support ring and the work bend, thermal bridge heat transfer is greatly reduced, and the temperature of the outer surface is lowered. The distance between a rolling support and the supporting plates is constant, namely the plane of the upper supporting plate and the plane of the lower supporting plate are vertically symmetrical about the axis of a bend work steel pipe, the connection line between axes of the two universal wheels is vertical, the universal wheels can move in any compensation direction, and bend compensation flexibility is guaranteed.
Description
technical field [0001] The invention relates to a compensating elbow, in particular to a compensating elbow for a steam pipeline, which belongs to the field of steam heat preservation pipelines. Background technique [0002] At present, in the pipeline network used to transport high-temperature steam, the most common compensation methods are: a, compensator compensation b, elbow compensation. Compared with the compensator, the compensating elbow is often used in the pipeline network for conveying high-temperature steam because of its advantages of low cost, long service life, flexibility, natural compensation, safety and reliability. Higher, the thermal insulation quilt is squeezed irregularly, which affects the thermal insulation effect and compensates for the limited flexibility of the elbow sliding. Contents of the invention [0003] In view of the problems existing in the prior art, the purpose of the present invention is to provide a compensating elbow for steam pipe...
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IPC IPC(8): F16L51/04F16L59/02
CPCF16L51/04F16L59/21F16L59/22
Inventor 杨秋邹传岐杜金超李晓敏
Owner CHINA DALIAN KEHUA HEATING PIPE