Anti-corrosion lining fluoride pipeline pump connecting the calculation method of corrugated compensator have?

On chemical raw materials in the industrial production of transmission is very common, many chemical materials are corrosive, anhui gold production of anti-corrosion lining fluoride pump corrosion resistance performance is good, the applicable scope is wide, is widely used by users, users in the pipe installation and lining fluoride pump connection, due to the limit of tube and pipe pump interface have distance, so is usually performed using pipeline compensator, the anti-corrosion lining fluoride pipeline water pump connecting pipe corrugated compensator, how to calculate the distance between the. A, pipes, corrugated compensator corrugated compensator compensation ability comes from the elastic deformation of corrugated pipe, a tensile, compression, bending and deformation of the combination of them. The size of the compensation ability, shall be prescribed by the designer according to the need to determine the rated compensation amount, it indicates that the under certain conditions has the ability of compensation. Two chemical with corrugated compensator is how to calculate the pipe lining fluoride pump has corrosion resistance, acid, alkali, salt and other corrosive liquid transportation suits, when using chemical pump installation, pipe connection is not enough or too short, usually adopts the pipeline compensator, when using the corrugated tube compensator to how to choose, what method? 1, the amount of heat pipe thermal elongation is press type calculation: & Delta; x =α ( t1 - t2) L: & Delta; x - — Piping hot elongation, mm; α — — The linear expansion coefficient of steel tube, mm/( ℃) , t1 — — Tube, medium temperature ℃, tube medium refers to steam, hot water, hot water, etc. ; t2 — — The temperature at which the pipe installation, ℃, L & ndash; — Pipe calculation length, m. Piping hot elongation calculation, is to determine the compensation for the compensator, or calculation of the pipe due to thermal elongation compressive stress, so for the pipe should be calculating the thermal elongation of great value, namely take cold installation conditions of low temperature and temperature difference between hot running condition of high temperature. Because the pipeline installation climate condition difference is very big, so the t2 should not have a unified value, should be based on the climatic conditions and the construction environment, determine the appropriate pipe installation temperature. 2, installation type axial compensator pipeline axial thrust F, press type calculation: Fx = Fp + Fm + Fs N type: Fp— — Internal pressure that generates the thrust, N FS— — The elastic reaction N Fm&mdash bellows compensation; — Pipe friction calculation fixed bracket N thrust activity stents, should according to the mode of laying pipeline, refer to the above formula according to the thrust force computation of bracket on both sides of the pipes. 3, pipe stress check compensator under the action of an internal pressure instability includes two kinds of circumstances, the plane instability and axial column buckling. In-plane instability, characterized by A one or A few ripples of the plane relative to the corrugated pipe axis rotation and tilt, but the plane wave circle basic on the axis of the bellows. This is due to internal pressure produced by the meridian to the composition of the circumferential membrane stress and bending stress exceed the material yield strength, by plastic deformation occurred in local. B, column lateral displacement instability of bellows and continuously, make the bellows shift into real axis arc or s-shaped ( In the case of multiple wave into S shape) 。 Most of this kind of circumstance is because number too much, bellows effective length and the ratio of the diameter d (L L / d) Due to too much. To avoid instability occurs, the pipe should be stress check. Above amount of compensation for bellows compensator anhui gold technology in detail to the reference calculation pipeline thermal elongation bellows compensator, is to determine the compensation for the compensator, or calculation of the pipe due to thermal elongation compressive stress, so for the pipe should be calculating the thermal elongation of great value, namely take cold installation conditions of low temperature and hot temperature difference between the operating conditions of high temperature.
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