Corrosion preventing composite steel pipe with socket flaring opening and winding function
A composite steel pipe and port technology, which is applied in the direction of sleeve/socket connection, pipe/pipe joint/pipe fitting, passing element, etc., can solve the problems of easy cracking and rusting of welding, and achieve the effect of increasing service life and convenient construction
Inactive Publication Date: 2016-08-24
HEGANG ANTONG INDAL
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Problems solved by technology
The purpose of the present invention is to provide a kind of wound composite steel pipe with socket flaring. One end of the composite steel pipe is inlaid with a sealing ring in the groove of two sealing rings, and the other end is connected with a socket. The sealing effect is tested by pressing. Effectively solve the problems of easy cracking and rusting of welding, convenient construction, save manpower and material resources, and improve the service life of composite pipes
Method used
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Embodiment Construction
[0009] Two 3 cm sealing ring grooves 2 are turned on the outer wall of one port of the composite steel pipe 1, and a sealing ring is set in the sealing ring groove 2. The sealing ring is made of high-quality nylon, and the distance between the sealing ring grooves 2 is 30 centimeters, weld the socket flare 3 larger than the port at the port of the other end of the composite steel pipe 1, the joint of the socket flare 3 and the socket flare introduction angle 5 of the joint of the composite steel pipe 1 is 45 degrees, the socket The edge at the port of the socket flaring 3 is an oblique section 4, and the oblique section 4 is ground, and a pressing opening 6 is drilled in the middle of the socket flaring 3, and a turnbuckle is set in the mouth to fix the pressing opening 6 , the length of the composite steel pipe 1 can be determined according to actual needs.
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Provided is a corrosion preventing composite steel pipe with a socket flaring opening and a winding function. The composite steel pipe comprises the socket flaring opening and a pressing opening. Two sealing grooves are formed in one end of the composite steel pipe, and the socket flaring opening larger than an end opening of the composite steel pipe is formed in the other end opening of the composite steel pipe. The edge of the socket flaring opening is in an inclined segment shape, and the pressing opening is formed in the middle of the socket flaring opening. The composite steel pipe is characterized in that after the socket flaring opening and the other end of the composite steel pipe are socketed after connecting, pressing is carried out to detect the sealing and anti-pressing effects of the socket flaring opening and the composite steel pipe, and it is avoided that a connector is connected infirmly. The corrosion preventing composite steel pipe with the socket flaring opening is very convenient to operate, labor and time are saved, welding connection is changed, and socketing connection is adopted; and construction is convenient, labor and time are saved, and damage to an anti-corrosion layer caused by welding is avoided. The situation that the composite steel pipe cracks and rusts due to welding is avoided, and the service life of the composite steel pipe is prolonged.
Description
Technical field [0001] The invention belongs to pipe materials, and is a composite steel pipe pipe widely used in water supply and drainage, gas and oil fields. technical background [0002] At present, when the composite steel pipes used in urban water supply and drainage, gas and oil pipelines are connected to each other, the two ports of two composite steel pipes are constructed by electric welding. Although this welding method solves the connection problem of the composite steel pipe, the port of the composite steel pipe is heated by welding during the welding process, and the high-density polyethylene on the outer wall often separates from the composite steel pipe, which is easy to rust and rot, and the construction requires conditions High, equipped with welding tools, the welded joint is easy to crack, resulting in joint water leakage from time to time, the probability of project rework is high, the cost is high, it is a waste of manpower and material resources, and a...
Claims
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Inventor 朱明峰姜志新
Owner HEGANG ANTONG INDAL