Non-compensated laying method of hot water pipe gallery
A hot water pipeline without compensation technology, applied in pipeline laying and maintenance, pipes/pipe joints/fittings, mechanical equipment, etc., can solve the problem of low service life, reduce heat loss, realize maintenance-free operation, and eliminate accidents point effect
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Embodiment approach 1
[0036] Adopt the non-compensated laying method of the hot water pipeline pipe gallery of the present invention, the main line pipe diameter is DN1000mm, and the laying method includes the following steps:
[0037] (1) Set the temperature of the conveying medium of the heating and hot water pipeline to be 130°C, and the operating pressure of the pipeline network to be 1.6MPa;
[0038] (2) Calculate the maximum allowable span of the pipeline determined by the strength and stiffness conditions, select the fixed pipe frame spacing within the maximum allowable span, and set continuous fixed pipe frames every 12 m on the bottom of the pipe gallery of the thermal cabin A number of concrete fixed piers are connected to form a pipe gallery conjoined fixed pipe frame 2;
[0039] (3) Calculate the various stresses of the pipeline caused by the internal pressure, self-weight and temperature, determine the maximum allowable installation temperature difference of the pipeline, set the prehe...
Embodiment approach 2
[0044] Adopting the non-compensated laying method of the hot water pipe gallery of the present invention, the diameter of the main trunk line is DN800mm, the temperature of the conveying medium of the heating hot water pipe is set at 120°C, and the operating pressure of the pipe network is 1.6MPa; the distance between the fixed pipe racks is 18 m, and the installation temperature 40°C, other laying methods are the same as the steps of Embodiment 1.
Embodiment approach 3
[0046] Adopting the non-compensated laying method of the hot water pipe gallery of the present invention, the diameter of the main line is DN100mm, the temperature of the conveying medium of the heating hot water pipe is set at 120°C, and the operating pressure of the pipe network is 1.6MPa; the distance between the fixed pipe racks is 12 m, and the installation temperature 50°C, other laying methods are the same as the steps of Embodiment 1.
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