KR20020022560A - Steel pipe, stainless double water pipe. - Google Patents

Abstract

PURPOSE: A dual water supplying pipe consisting of a steel pipe and a stainless steel pipe is provided to supply non-contaminated water by inserting the stainless steel into the steel pipe. CONSTITUTION: A dual water supplying pipe comprises a steel pipe(1) and a stainless pipe(2) inserted into the steel pipe(1). A gap is formed between the steel pipe(1) and the stainless pipe(2). The stainless pipe(2) is bonded to the steel pipe(1). In order to bond the stainless pipe(2) to the steel pipe(1), cement mortar is injected into the gas formed between the steel pipe(1) and the stainless pipe(2). At this time, a vibration is applied to the steel pipe(1) and the stainless pipe(2) so as to uniformly fill the gap by using the cement mortar.

Description

Steel pipes · stainless double water pipes. {Omitted}

Steel pipe, which is a water supply pipe, is strong and strong to withstand external pressure and water pressure, but after 10 years and 20 years, the inner surface of the pipe is corroded, rusted, and rust comes out. As a solution, a stainless steel pipe is inserted into the steel pipe. As a result, uncontaminated water can be sent.

In the conventional method of removing the rust, the paint is painted in the steel pipe, but the patent puts the stainless steel pipe in the steel pipe, and cemented it with cement mortar therebetween, so that the two pipes of the steel pipe and the stainless steel pipe as one pipe.

The technical problem is how to get rid of the gap between the steel pipe and the stainless steel pipe, and thus prevent the steel pipe from rusting. With the stainless steel pipe upright, the cement mortar is poured with vibration up and down, filling the gap between the steel pipe and the stainless steel pipe without any voids.

1 is a cross-sectional view of a water pipe currently in use.

1 steel pipe 2 painted

3 is a patented double water pipe

1 steel pipe 2 cement mortar 3 stainless steel pipe

◎ Explanation of FIG. 2

Steel pipe length: 5 m. Inner diameter of steel pipe 600mm

Use the current thickness of the steel pipe

Stainless steel tube length: 4m 90cm Stainless steel tube diameter: 590mm

Length of stainless steel tube: 600mm Stainless steel tube thickness: 0.7mm

Double pipe: Sten pipe is inserted in the steel pipe

◎ Explanation of FIG. 3

With a funnel sandwiched between vertically placed steel and stainless steel pipes, filled with cement mortar

◎ Figure 4 ◇

Double pipe of steel pipe and stainless steel pipe is continuously connected.

1 cement mortar 2 steel pipe 3 stainless steel pipe

4 Steel pipe and steel pipe connected and welded

◎ Figure 5 ◇

◎ Picture of mechanism to fill cement mortar between steel pipe and stainless steel pipe

1 Fixed steel pipe 2 Moves up and down when vibrated.

3 funnel: cement mortar

4 Hinge: Fix water pipe while folding and unfolding.

5 The force of the motor vibrates up and down from the bottom of the cast iron pipe.

6 steel pipe, stainless steel double pipe

◇ Figure 6 description ◇

◎ Center of gravity theory and the force of gravity.

1 weight is 1t.

2 steel pipe

3 iron fence height 7 m length 5 m

If the number 2 cast iron pipe weighs 2t 500kg, place the number 1 weight 2t 400kg.

100kg is heavy on the steel pipe, so 100kg will be inclined by the force of gravity. At this time, the vibration is created even if the force that can lift only 100kg weight from the motor side.

After that, a little bit of cement mortar is poured into it.

◇ Figure 7 description ◇

◎ How to make steel pipes and stainless steel double elbows.

How to make: Weld the stainless steel pipes 1 and 2, and then weld 3 ~ 4 to complete the stainless steel pipe elbows.

Insert steel pipes 5 and 6 into the stainless steel elbows and weld them. Weld the projections between the steel pipe and the stainless steel pipe in the middle, and then weld the steel pipes 7 ~ 8 to complete the elbow. Thereafter, cement mortar is filled between the steel pipe and the stainless steel.

◎ 8 ◇

Double elbow with a stainless steel tube in a steel pipe.

The upper part is a pipe with a diameter of less than 1500mm that the steel pipe stainless steel double pipe comes into the pipe joint and welds only once from the outside.

[Method for joining steel pipes and stainless steel double pipes with a diameter of about 2000mm]

[Description of Fig. 9]

1 Try to match the coffin and the coffin in the ground.

Once the coffins and coffins are in place, they should be pulled out about 30cm.

2 Insert the number 3 (the width of the stainless steel frame around 10cm) 5cm out of the end of the stainless steel tube and insert it on the outside of the stainless steel tube and weld number 4 inside the stainless steel tube

3 Knead the space between the steel pipe and the stainless steel pipe to make a mortar of empty space.

Apply only to the edge of the stencil.

No more, no less. Fill it with weight.

4 Insert the double pipe First, the steel pipe is inserted, and then the stainless steel pipe is inserted, the pipe and the pipe should be in a straight line. It must be fitted to the line to be fitted.

5 Weld steel pipe outside the steel pipe. Weld the stainless joint in the stainless tube.

[Description of Fig. 10]

The pipe is joined to the pipe. No. 7 is welded on the outside of the steel pipe. No. 8 is the outside of the stainless steel pipe at the joint of the stainless steel pipe as the stainless steel frame.

Between the steel pipes, the cement mortar is made of stainless steel pipes.

In the existing steel pipe, the inner surface of the pipe is rusted after 10 ~ 20 years, but if the steel pipe is put in the inner surface of the steel pipe, it can block the rust.

You can block the rust in advance.

Claims (1)

A pipe filled with cement mortar between the steel pipe and the stainless steel pipe after the stainless steel pipe is inserted into the steel pipe, a kind of water supply pipe.