Exhaust device for construction of upwardly inclined frozen pipe casing and exhaust method for construction of upwardly inclined frozen pipe casing
An exhaust method and technology of exhaust device, which are applied in the direction of pipes/pipe joints/pipe fittings, infrastructure engineering, pipe components, etc., and can solve problems such as gas storage.
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Embodiment 1
[0037] like figure 1 and figure 2 As shown in the figure, the upwardly inclined freezing pipe casing is constructed as an exhaust device, including a one-way valve 2, a casing 3, a ball valve 4, a liquid supply pipe 5 and a liquid return pipe 8;
[0038] The one-way valve 2 is fixedly installed on the first end of the sleeve 3;
[0039] The first end of the sleeve 3 extends into the freezing tube 1, and the outer wall of the second end of the sleeve 3 is sealed with the second end of the freezing tube 1 through the first annular blocking plate 7 fixed connection;
[0040] The ball valve 4 is fixedly installed on the outer pipe wall of the second end of the freezing pipe 1; Pass.
[0041] The first end of the liquid supply pipe 5 extends into the sleeve 3 , and the second end of the sleeve 3 passes through the second annular blocking plate 9 and the outer pipe wall of the liquid supply pipe 5 . Seal and fix the connection by welding;
[0042] The liquid return pipe 8 is ...
Embodiment 2
[0046] The method for exhausting the construction of the upwardly inclined frozen pipe casing, using the upwardly inclined freezing pipe casing construction exhaust device of Embodiment 1 to carry out the construction of the upwardly inclined frozen pipe casing, the method of exhausting comprises the following steps:
[0047] A. Preparation of drainage aid: prepare drainage aid for freezing pipe 1 exhaust according to construction requirements;
[0048] B. Installation of check valve 2: Fix check valve 2 on the first end of casing 3;
[0049] C. Installation of the casing 3: The casing 3 is lowered into the freezing tube 1 by means of pushing, and the adjacent two casings 3 are connected by welding;
[0050] D. Sealing treatment: the first annular blocking plate 7 is fixed between the casing 3 and the freezing tube 1, and a first cavity is formed by sealing; the formation of the first cavity can seal the gas accumulated in the freezing tube in the first cavity. In the cavity,...
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