CN215843783U - Pipeline weld joint inner anti-corrosion treatment device - Google Patents

Abstract

The utility model belongs to the technical field of pipeline construction, and particularly discloses an in-pipeline anti-corrosion treatment device for a pipeline weld joint, which comprises a pipeline body with a weld joint, a trolley, a paint storage tank and an air compressor, wherein the trolley is fixedly connected with a rocker nozzle and an iron wire stay wire, the iron wire stay wire extends out of the pipeline body and is used for controlling the trolley to be placed at the weld joint of the pipeline body, the rocker nozzle and the paint storage tank are fixedly connected through a first high-pressure leather pipe, the paint storage tank and the air compressor are fixedly connected through a second high-pressure leather pipe, the diameter of the pipeline body is 100-1000 mm, the device is simple in design and convenient to operate, paint in the paint storage tank is conveyed to the rocker nozzle through the high-pressure leather pipe by utilizing air inflation of the air compressor, so that the rocker nozzle rotates, and the problem of corrosion resistance of the weld joint in a small-diameter pipeline is solved.

Description

Pipeline weld joint inner anti-corrosion treatment device

Technical Field

The utility model belongs to the technical field of pipeline construction, and particularly relates to an anti-corrosion treatment device in a pipeline welding line.

Background

In recent years, the economy of China is flourishing and rapidly increased, the population of urban living is increased, the municipal administration and environment optimization and transformation are accelerated, water sources in various regions are abundant in cities, particularly in lakes and sea cities, the number of reconstruction, expansion and new construction projects for treating domestic water and domestic sewage is large, and due to the influence of environmental factors, in order to ensure the quality of small-caliber pipelines, sewage plants for treating the urban domestic sewage are increasingly long in sewage discharge pipelines. The sewage pipelines are mostly conveyed in a pressurized mode, and particularly, the sewage pipelines are positioned at rivers, lakes and sea positions, so that the construction difficulty is increased. With this similar coastal city sewage treatment sewage pipes, in order to prevent polluting the water quality of the coastal or local river and sea lakes, the coastal area sewage pipes will have the same problem of great construction difficulty. The sewage pipes are in the pipe burying process, the related geographic positions are different, welding seam welding needs to be carried out on the pipes, after welding, the welding seams of the sewage pipes need to be subjected to anti-corrosion treatment, otherwise, the welding seams are easy to corrode, so that the service life is shortened, the later maintenance cost is increased, and for small-diameter pipes, corrosion prevention in the welding seams cannot be carried out through manual painting, and therefore corresponding processing devices need to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an anti-corrosion treatment device in a pipeline welding seam, which is used for solving the problem of difficult anti-corrosion construction in the small-caliber pipeline welding seam.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides an anticorrosive treatment device in pipeline welding seam, is including pipeline body, dolly, paint bin, the air compressor machine that has the welding seam, dolly fixedly connected with rocking arm shower nozzle and iron wire are acted as go-between, the iron wire is acted as go-between and is prolonged to the pipeline originally external for the control dolly is placed in the welding seam department of pipeline body, use first high pressure leather hose fixed connection between rocking arm shower nozzle and the paint bin, use second high pressure leather hose fixed connection between paint bin and the air compressor machine, the diameter of pipeline body is 100 ~ 1000 mm.

The diameter of pipeline body is 219mm, the diameter of first high pressure leather hose or second high pressure leather hose is 20 mm.

The thickness of the anticorrosive paint layer on the pipeline welding line in the pipeline body is 4 mm.

The paint bin is provided with the outlet connection who is connected with the rocking arm shower nozzle, and the pressure connection that the air compressor machine is connected, outlet connection sets up the pipeline and extends to paint bin bottom.

The paint storage box is also provided with a paint adding opening.

This device design is simple, convenient operation, carries the rocking arm shower nozzle through utilizing the air compressor machine air entrainment to the paint of paint bin the inside through high-pressure leather hose, makes the rocking arm shower nozzle rotatory to solved the anticorrosive problem of small-bore pipeline inner weld, the rocking arm shower nozzle can 360 degrees rotations, thereby even to spray paint to weld department, through the memory space of calculating the paint bin, thereby estimate the thickness that sprays paint, and reach corresponding anticorrosive requirement of corresponding processing equipment.

Drawings

FIG. 1 is a schematic view of the structural connection of the present invention;

wherein: 1. a pipe body; 2. a pipeline weld; 3. a trolley; 4. a rocker arm spray head; 5. a first high pressure bellows; 6. a paint storage bin; 7. adding a paint port; 8. a second high-pressure leather hose; 9. an air compressor; 10. and (4) pulling wires by iron wires.

Detailed Description

The utility model is further described with reference to the following figures and specific examples.

Example 1: the domestic sewage treatment and tail water utilization project of a certain place mainly comprises two 3PE reinforced anticorrosive steel pipes with the diameter phi 219 multiplied by 12 and made of 20# materials, wherein the two reinforced anticorrosive steel pipes are divided into two sections, one section is an overground section (L =56 m), and the other section is a water lower section (L =980 m X2). Every 6m between two pipes are connected by a steel pipe frame to form a whole and a prefabricated concrete cushion plate with the thickness of 1000 x 1300 x 80 is additionally arranged, the pipeline at the lower water section needs to be buried under the sea to the depth of about 2.5 m, when the pipeline at the upper water section and the pipeline at the lower water section are constructed, the corrosion-resistant steel pipe is welded and needs to be subjected to internal corrosion resistance after welding, the processing device is shown in figure 1 and comprises a pipeline body 1 with a pipeline welding seam 2, a trolley 3, a paint storage tank 6 and an air compressor 9, a rocker nozzle 4 and an iron wire pull wire 10 are fixedly connected onto the trolley 3, the iron wire pull wire 10 extends out of the pipeline body 1 and is used for controlling the trolley to be placed at the pipeline welding seam 2 of the pipeline body, the rocker nozzle 4 and the paint storage tank 6 are fixedly connected by using a first high-pressure leather pipe 5, the paint storage tank 6 and the air compressor 9 are fixedly connected by using a second high-pressure leather pipe 8, the diameter pipeline body 1 is a small-diameter pipeline with the diameter of 100-1000 mm, the rocker arm nozzle is bought by market, can 360 degrees carry out rotatory injection, and the diameter of first high pressure leather hose and second high pressure leather hose is 20mm to keep equipment operation normal, the anticorrosive paint layer thickness on this internal pipeline welding seam of pipeline is 4mm, in order to reach the anticorrosive purpose to the pipeline.

Further, paint bin 6 is provided with the exit linkage who is connected with rocker nozzle 4, reaches the pressure joint who is connected with air compressor machine 9, and exit linkage has set up the pipeline and extends to paint bin bottom, and the convenience is painted by bottom output after the air compressor machine pressurization, and paint bin still is provided with in addition and paints mouthful 7, can add paint according to the demand quantity.

When the pipeline welding seam welding jig is used specifically, welding of the pipeline welding seam is completed, the pipeline welding seam is qualified after inspection, and after the pipeline welding seam welding jig meets the standard requirements, the trolley with the rocker arm spray head is placed into the pipeline, the trolley can be a simple trolley for temporarily manufacturing a simple trolley which meets the size of the pipeline, the rocker arm spray head is fixed on the trolley and directly slides to the pipeline welding seam, so that the rocker arm spray head is aligned with the welding seam; an iron wire is fixedly connected to the trolley, the rocker arm spray head is connected with the high-pressure leather hose to convey the anti-corrosion paint, and the iron wire is used for fixing the trolley to go in and out; the paint in the paint storage box is conveyed to the rocker arm spray head through the high-pressure leather hose by air filling of the air compressor, so that the rocker arm spray head rotates, and the corrosion prevention of the welding line in the pipeline is solved.

Claims (5)

1. The utility model provides an anticorrosive treatment device in pipeline welding seam, its characterized in that, is including pipeline body, dolly, paint bin, the air compressor machine that has the welding seam, dolly fixedly connected with rocking arm shower nozzle and iron wire are acted as go-between, the iron wire is acted as go-between and is prolonged to this external pipeline for the control dolly is placed in the welding seam department of pipeline body, use first high pressure leather hose fixed connection between rocking arm shower nozzle and the paint bin, use second high pressure leather hose fixed connection between paint bin and the air compressor machine, the diameter of pipeline body is 100 ~ 1000 mm.

2. The device for corrosion protection in the welding seam of the pipeline as claimed in claim 1, wherein the diameter of the pipeline body is 219mm, and the diameter of the first high-pressure rubber pipe or the second high-pressure rubber pipe is 20 mm.

3. The device for corrosion prevention treatment in the pipeline welding line according to claim 2, wherein the thickness of the corrosion prevention paint layer on the pipeline welding line in the pipeline body is 4 mm.

4. The device for performing anticorrosive treatment on the inside of the welding line of the pipeline according to claim 1, wherein the paint storage tank is provided with an outlet joint connected with the rocker nozzle and a pressure joint connected with an air compressor, and a pipeline is arranged below the outlet joint and extends to the bottom of the paint storage tank.

5. The device for corrosion protection in the welding line of the pipeline according to claim 4, wherein the paint storage tank is further provided with a paint adding port.

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